mirror of https://github.com/citusdata/citus.git
Merge pull request #1690 from citusdata/update_delete_multiple_shard
Support multi shard update/delete queriespull/1719/head
Burak Velioglu
GitHub
commit
fade7c1667
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@ -38,6 +38,9 @@
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#include "utils/memutils.h"
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/* controls the connection type for multi shard update/delete queries */
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int MultiShardConnectionType = PARALLEL_CONNECTION;
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/*
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* Define executor methods for the different executor types.
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*/
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@ -176,11 +179,14 @@ RouterCreateScan(CustomScan *scan)
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{
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Assert(isModificationQuery);
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if (IsMultiRowInsert(workerJob->jobQuery))
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if (IsMultiRowInsert(workerJob->jobQuery) ||
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(IsUpdateOrDelete(multiPlan) &&
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MultiShardConnectionType == SEQUENTIAL_CONNECTION))
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{
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/*
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* Multi-row INSERT is executed sequentially instead of using
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* parallel connections.
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* Multi shard update deletes while multi_shard_modify_mode equals
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* to 'sequential' or Multi-row INSERT are executed sequentially
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* instead of using parallel connections.
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*/
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scanState->customScanState.methods = &RouterSequentialModifyCustomExecMethods;
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}
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@ -29,7 +29,6 @@
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int RemoteTaskCheckInterval = 100; /* per cycle sleep interval in millisecs */
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int TaskExecutorType = MULTI_EXECUTOR_REAL_TIME; /* distributed executor type */
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bool BinaryMasterCopyFormat = false; /* copy data from workers in binary format */
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int MultiTaskQueryLogLevel = MULTI_TASK_QUERY_INFO_OFF; /* multi-task query log level */
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/*
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@ -62,15 +61,6 @@ JobExecutorType(MultiPlan *multiPlan)
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return MULTI_EXECUTOR_COORDINATOR_INSERT_SELECT;
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}
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/* if it is not a router executable plan, inform user according to the log level */
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if (MultiTaskQueryLogLevel != MULTI_TASK_QUERY_INFO_OFF)
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{
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ereport(MultiTaskQueryLogLevel, (errmsg("multi-task query about to be executed"),
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errhint("Queries are split to multiple tasks "
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"if they have to be split into several"
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" queries on the workers.")));
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}
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Assert(multiPlan->operation == CMD_SELECT);
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workerNodeList = ActiveReadableNodeList();
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@ -55,8 +55,7 @@
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#include "utils/memutils.h"
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static List * ModifyMultipleShardsTaskList(Query *query, List *shardIntervalList,
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Oid relationId);
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static List * ModifyMultipleShardsTaskList(Query *query, List *shardIntervalList);
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PG_FUNCTION_INFO_V1(master_modify_multiple_shards);
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@ -176,8 +175,7 @@ master_modify_multiple_shards(PG_FUNCTION_ARGS)
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CHECK_FOR_INTERRUPTS();
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taskList = ModifyMultipleShardsTaskList(modifyQuery, prunedShardIntervalList,
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relationId);
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taskList = ModifyMultipleShardsTaskList(modifyQuery, prunedShardIntervalList);
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affectedTupleCount = ExecuteModifyTasksWithoutResults(taskList);
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PG_RETURN_INT32(affectedTupleCount);
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@ -189,14 +187,14 @@ master_modify_multiple_shards(PG_FUNCTION_ARGS)
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* given list of shards.
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*/
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static List *
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ModifyMultipleShardsTaskList(Query *query, List *shardIntervalList, Oid relationId)
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ModifyMultipleShardsTaskList(Query *query, List *shardIntervalList)
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{
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List *taskList = NIL;
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ListCell *shardIntervalCell = NULL;
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uint64 jobId = INVALID_JOB_ID;
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int taskId = 1;
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/* lock metadata before getting placment lists */
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/* lock metadata before getting placement lists */
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LockShardListMetadata(shardIntervalList, ShareLock);
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foreach(shardIntervalCell, shardIntervalList)
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@ -54,7 +54,11 @@ RebuildQueryStrings(Query *originalQuery, List *taskList)
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Task *task = (Task *) lfirst(taskCell);
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Query *query = originalQuery;
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if (task->insertSelectQuery)
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if (UpdateOrDeleteQuery(query) && list_length(taskList))
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{
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query = copyObject(originalQuery);
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}
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else if (task->insertSelectQuery)
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{
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/* for INSERT..SELECT, adjust shard names in SELECT part */
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RangeTblEntry *copiedInsertRte = NULL;
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@ -269,15 +269,6 @@ CreateDistributedInsertSelectPlan(Query *originalQuery,
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++taskIdIndex;
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}
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if (MultiTaskQueryLogLevel != MULTI_TASK_QUERY_INFO_OFF &&
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list_length(sqlTaskList) > 1)
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{
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ereport(MultiTaskQueryLogLevel, (errmsg("multi-task query about to be executed"),
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errhint("Queries are split to multiple tasks "
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"if they have to be split into several"
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" queries on the workers.")));
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}
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/* Create the worker job */
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workerJob = CitusMakeNode(Job);
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workerJob->taskList = sqlTaskList;
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@ -484,6 +475,7 @@ RouterModifyTaskForShardInterval(Query *originalQuery, ShardInterval *shardInter
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List *shardOpExpressions = NIL;
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RestrictInfo *shardRestrictionList = NULL;
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DeferredErrorMessage *planningError = NULL;
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bool multiShardModifyQuery = false;
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/* grab shared metadata lock to stop concurrent placement additions */
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LockShardDistributionMetadata(shardId, ShareLock);
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@ -543,7 +535,10 @@ RouterModifyTaskForShardInterval(Query *originalQuery, ShardInterval *shardInter
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*/
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planningError = PlanRouterQuery(copiedSubquery, copiedRestrictionContext,
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&selectPlacementList, &selectAnchorShardId,
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&relationShardList, replacePrunedQueryWithDummy);
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&relationShardList, replacePrunedQueryWithDummy,
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&multiShardModifyQuery);
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Assert(!multiShardModifyQuery);
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if (planningError)
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{
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@ -2341,6 +2341,7 @@ SubqueryTaskCreate(Query *originalQuery, ShardInterval *shardInterval,
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List *shardOpExpressions = NIL;
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RestrictInfo *shardRestrictionList = NULL;
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DeferredErrorMessage *planningError = NULL;
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bool multiShardModifQuery = false;
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/*
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* Add the restriction qual parameter value in all baserestrictinfos.
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@ -2379,7 +2380,10 @@ SubqueryTaskCreate(Query *originalQuery, ShardInterval *shardInterval,
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*/
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planningError = PlanRouterQuery(taskQuery, copiedRestrictionContext,
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&selectPlacementList, &selectAnchorShardId,
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&relationShardList, replacePrunedQueryWithDummy);
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&relationShardList, replacePrunedQueryWithDummy,
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&multiShardModifQuery);
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Assert(!multiShardModifQuery);
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/* we don't expect to this this error but keeping it as a precaution for future changes */
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if (planningError)
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@ -37,6 +37,7 @@
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static List *plannerRestrictionContextList = NIL;
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int MultiTaskQueryLogLevel = MULTI_TASK_QUERY_INFO_OFF; /* multi-task query log level */
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/* create custom scan methods for separate executors */
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static CustomScanMethods RealTimeCustomScanMethods = {
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@ -283,6 +284,56 @@ IsModifyCommand(Query *query)
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}
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/*
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* IsMultiShardModifyPlan returns true if the given plan was generated for
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* multi shard update or delete query.
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*/
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bool
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IsMultiShardModifyPlan(MultiPlan *multiPlan)
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{
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if (IsUpdateOrDelete(multiPlan) && IsMultiTaskPlan(multiPlan))
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{
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return true;
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}
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return false;
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}
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/*
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* IsMultiTaskPlan returns true if job contains multiple tasks.
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*/
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bool
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IsMultiTaskPlan(MultiPlan *multiPlan)
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{
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Job *workerJob = multiPlan->workerJob;
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if (workerJob != NULL && list_length(workerJob->taskList) > 1)
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{
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return true;
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}
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return false;
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}
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/*
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* IsUpdateOrDelete returns true if the query performs update or delete.
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*/
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bool
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IsUpdateOrDelete(MultiPlan *multiPlan)
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{
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CmdType commandType = multiPlan->operation;
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if (commandType == CMD_UPDATE || commandType == CMD_DELETE)
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{
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return true;
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}
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return false;
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}
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/*
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* IsModifyMultiPlan returns true if the multi plan performs modifications,
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* false otherwise.
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@ -436,9 +487,11 @@ CreateDistributedPlan(PlannedStmt *localPlan, Query *originalQuery, Query *query
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/*
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* As explained above, force planning costs to be unrealistically high if
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* query planning failed (possibly) due to prepared statement parameters.
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* query planning failed (possibly) due to prepared statement parameters or
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* if it is planned as a multi shard modify query.
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*/
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if (distributedPlan->planningError && hasUnresolvedParams)
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if ((distributedPlan->planningError || IsMultiShardModifyPlan(distributedPlan)) &&
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hasUnresolvedParams)
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{
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/*
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* Arbitraryly high cost, but low enough that it can be added up
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@ -530,6 +583,20 @@ FinalizePlan(PlannedStmt *localPlan, MultiPlan *multiPlan)
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}
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}
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if (IsMultiTaskPlan(multiPlan))
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{
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/* if it is not a single task executable plan, inform user according to the log level */
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if (MultiTaskQueryLogLevel != MULTI_TASK_QUERY_INFO_OFF)
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{
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ereport(MultiTaskQueryLogLevel, (errmsg(
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"multi-task query about to be executed"),
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errhint(
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"Queries are split to multiple tasks "
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"if they have to be split into several"
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" queries on the workers.")));
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}
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}
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multiPlan->relationIdList = localPlan->relationOids;
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multiPlanData = (Node *) multiPlan;
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@ -2,8 +2,8 @@
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*
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* multi_router_planner.c
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*
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* This file contains functions to plan single shard queries
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* including distributed table modifications.
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* This file contains functions to plan multiple shard queries without any
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* aggregation step including distributed table modifications.
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*
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* Copyright (c) 2014-2016, Citus Data, Inc.
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*
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@ -137,7 +137,6 @@ static List * ExtractInsertValuesList(Query *query, Var *partitionColumn);
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static bool MultiRouterPlannableQuery(Query *query,
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RelationRestrictionContext *restrictionContext);
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static DeferredErrorMessage * ErrorIfQueryHasModifyingCTE(Query *queryTree);
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static bool UpdateOrDeleteQuery(Query *query);
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static RangeTblEntry * GetUpdateOrDeleteRTE(List *rangeTableList);
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static bool UpdateOrDeleteRTE(RangeTblEntry *rangeTableEntry);
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static bool SelectsFromDistributedTable(List *rangeTableList);
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@ -146,7 +145,13 @@ static List * get_all_actual_clauses(List *restrictinfo_list);
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#endif
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static int CompareInsertValuesByShardId(const void *leftElement,
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const void *rightElement);
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static uint64 GetInitialShardId(List *relationShardList);
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static List * SingleShardSelectTaskList(Query *query, List *relationShardList,
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List *placementList, uint64 shardId);
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static List * SingleShardModifyTaskList(Query *query, List *relationShardList,
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List *placementList, uint64 shardId);
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static List * MultiShardModifyTaskList(Query *originalQuery, List *relationShardList,
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bool requiresMasterEvaluation);
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/*
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* CreateRouterPlan attempts to create a router executor plan for the given
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@ -250,7 +255,9 @@ CreateSingleTaskRouterPlan(Query *originalQuery, Query *query,
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return multiPlan;
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}
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/* we cannot have multi shard update/delete query via this code path */
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job = RouterJob(originalQuery, restrictionContext, &multiPlan->planningError);
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if (multiPlan->planningError)
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{
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/* query cannot be handled by this planner */
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@ -516,11 +523,21 @@ ModifyQuerySupported(Query *queryTree, bool multiShardQuery)
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*/
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if (!UpdateOrDeleteQuery(queryTree) || multiShardQuery)
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{
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StringInfo errorHint = makeStringInfo();
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DistTableCacheEntry *cacheEntry = DistributedTableCacheEntry(
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distributedTableId);
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char *partitionKeyString = cacheEntry->partitionKeyString;
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char *partitionColumnName = ColumnNameToColumn(distributedTableId,
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partitionKeyString);
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appendStringInfo(errorHint,
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"Consider using an equality filter on partition column \"%s\" to target a single shard.",
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partitionColumnName);
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return DeferredError(ERRCODE_FEATURE_NOT_SUPPORTED,
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"cannot perform distributed planning for the given "
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"modifications",
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"Subqueries are not supported in distributed "
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"modifications.", NULL);
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"subqueries are not supported in modifications across "
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"multiple shards",
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errorHint->data, NULL);
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}
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}
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@ -602,8 +619,20 @@ ModifyQuerySupported(Query *queryTree, bool multiShardQuery)
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*/
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if (rangeTableEntry->rtekind == RTE_SUBQUERY)
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{
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rangeTableEntryErrorDetail = "Subqueries are not supported in"
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" distributed modifications.";
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StringInfo errorHint = makeStringInfo();
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DistTableCacheEntry *cacheEntry = DistributedTableCacheEntry(
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distributedTableId);
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char *partitionKeyString = cacheEntry->partitionKeyString;
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char *partitionColumnName = ColumnNameToColumn(distributedTableId,
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partitionKeyString);
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appendStringInfo(errorHint, "Consider using an equality filter on "
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"partition column \"%s\" to target a single shard.",
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partitionColumnName);
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return DeferredError(ERRCODE_FEATURE_NOT_SUPPORTED, "subqueries are not "
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"supported in modifications across multiple shards",
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errorHint->data, NULL);
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}
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else if (rangeTableEntry->rtekind == RTE_JOIN)
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{
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@ -741,6 +770,14 @@ ModifyQuerySupported(Query *queryTree, bool multiShardQuery)
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"RETURNING clause",
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NULL, NULL);
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}
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if (queryTree->jointree->quals != NULL &&
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nodeTag(queryTree->jointree->quals) == T_CurrentOfExpr)
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{
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return DeferredError(ERRCODE_FEATURE_NOT_SUPPORTED,
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"cannot run DML queries with cursors", NULL,
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NULL);
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}
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}
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if (commandType == CMD_INSERT && queryTree->onConflict != NULL)
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@ -836,7 +873,7 @@ ModifyQuerySupported(Query *queryTree, bool multiShardQuery)
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* UpdateOrDeleteQuery checks if the given query is an UPDATE or DELETE command.
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* If it is, it returns true otherwise it returns false.
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*/
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static bool
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bool
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UpdateOrDeleteQuery(Query *query)
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{
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CmdType commandType = query->commandType;
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|
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@ -1326,14 +1363,15 @@ ExtractFirstDistributedTableId(Query *query)
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}
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/* RouterJob builds a Job to represent a single shard select/update/delete query */
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/*
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* RouterJob builds a Job to represent a single shard select/update/delete and
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* multiple shard update/delete queries.
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*/
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static Job *
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RouterJob(Query *originalQuery, RelationRestrictionContext *restrictionContext,
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DeferredErrorMessage **planningError)
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{
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Job *job = NULL;
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Task *task = NULL;
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StringInfo queryString = makeStringInfo();
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uint64 shardId = INVALID_SHARD_ID;
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List *placementList = NIL;
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List *relationShardList = NIL;
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|
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@ -1341,6 +1379,7 @@ RouterJob(Query *originalQuery, RelationRestrictionContext *restrictionContext,
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bool replacePrunedQueryWithDummy = false;
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bool requiresMasterEvaluation = false;
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RangeTblEntry *updateOrDeleteRTE = NULL;
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bool isMultiShardModifyQuery = false;
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/* router planner should create task even if it deosn't hit a shard at all */
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replacePrunedQueryWithDummy = true;
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|
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@ -1350,7 +1389,8 @@ RouterJob(Query *originalQuery, RelationRestrictionContext *restrictionContext,
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(*planningError) = PlanRouterQuery(originalQuery, restrictionContext,
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&placementList, &shardId, &relationShardList,
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replacePrunedQueryWithDummy);
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replacePrunedQueryWithDummy,
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&isMultiShardModifyQuery);
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if (*planningError)
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{
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return NULL;
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@ -1374,42 +1414,127 @@ RouterJob(Query *originalQuery, RelationRestrictionContext *restrictionContext,
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return job;
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}
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pg_get_query_def(originalQuery, queryString);
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if (originalQuery->commandType == CMD_SELECT)
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{
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task = CreateTask(ROUTER_TASK);
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job->taskList = SingleShardSelectTaskList(originalQuery, relationShardList,
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placementList, shardId);
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}
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else if (isMultiShardModifyQuery)
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{
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job->taskList = MultiShardModifyTaskList(originalQuery, relationShardList,
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requiresMasterEvaluation);
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}
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else
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{
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DistTableCacheEntry *modificationTableCacheEntry = NULL;
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char modificationPartitionMethod = 0;
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modificationTableCacheEntry = DistributedTableCacheEntry(
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updateOrDeleteRTE->relid);
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modificationPartitionMethod = modificationTableCacheEntry->partitionMethod;
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if (modificationPartitionMethod == DISTRIBUTE_BY_NONE &&
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SelectsFromDistributedTable(rangeTableList))
|
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{
|
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ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
|
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errmsg("cannot perform select on a distributed table "
|
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"and modify a reference table")));
|
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}
|
||||
|
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task = CreateTask(MODIFY_TASK);
|
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task->replicationModel = modificationTableCacheEntry->replicationModel;
|
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job->taskList = SingleShardModifyTaskList(originalQuery, relationShardList,
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placementList, shardId);
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}
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|
||||
job->requiresMasterEvaluation = requiresMasterEvaluation;
|
||||
return job;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* SingleShardSelectTaskList generates a task for single shard select query
|
||||
* and returns it as a list.
|
||||
*/
|
||||
static List *
|
||||
SingleShardSelectTaskList(Query *query, List *relationShardList, List *placementList,
|
||||
uint64 shardId)
|
||||
{
|
||||
Task *task = CreateTask(ROUTER_TASK);
|
||||
StringInfo queryString = makeStringInfo();
|
||||
|
||||
pg_get_query_def(query, queryString);
|
||||
|
||||
task->queryString = queryString->data;
|
||||
task->anchorShardId = shardId;
|
||||
task->taskPlacementList = placementList;
|
||||
task->relationShardList = relationShardList;
|
||||
|
||||
job->taskList = list_make1(task);
|
||||
job->requiresMasterEvaluation = requiresMasterEvaluation;
|
||||
return list_make1(task);
|
||||
}
|
||||
|
||||
return job;
|
||||
|
||||
/*
|
||||
* MultiShardModifyTaskList generates task list for multi shard update/delete
|
||||
* queries.
|
||||
*/
|
||||
static List *
|
||||
MultiShardModifyTaskList(Query *originalQuery, List *relationShardList,
|
||||
bool requiresMasterEvaluation)
|
||||
{
|
||||
List *taskList = NIL;
|
||||
ListCell *relationShardCell = NULL;
|
||||
int taskId = 1;
|
||||
|
||||
foreach(relationShardCell, relationShardList)
|
||||
{
|
||||
RelationShard *relationShard = (RelationShard *) lfirst(relationShardCell);
|
||||
List *relationShardList = list_make1(relationShard);
|
||||
Task *task = CreateTask(MODIFY_TASK);
|
||||
|
||||
if (!requiresMasterEvaluation)
|
||||
{
|
||||
Query *copiedQuery = copyObject(originalQuery);
|
||||
StringInfo shardQueryString = makeStringInfo();
|
||||
|
||||
UpdateRelationToShardNames((Node *) copiedQuery, relationShardList);
|
||||
pg_get_query_def(copiedQuery, shardQueryString);
|
||||
|
||||
task->queryString = shardQueryString->data;
|
||||
}
|
||||
|
||||
task->taskId = taskId++;
|
||||
task->anchorShardId = relationShard->shardId;
|
||||
task->relationShardList = relationShardList;
|
||||
|
||||
taskList = lappend(taskList, task);
|
||||
}
|
||||
|
||||
return taskList;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* SingleShardModifyTaskList generates a task for single shard update/delete query
|
||||
* and returns it as a list.
|
||||
*/
|
||||
static List *
|
||||
SingleShardModifyTaskList(Query *query, List *relationShardList, List *placementList,
|
||||
uint64 shardId)
|
||||
{
|
||||
Task *task = CreateTask(MODIFY_TASK);
|
||||
StringInfo queryString = makeStringInfo();
|
||||
DistTableCacheEntry *modificationTableCacheEntry = NULL;
|
||||
char modificationPartitionMethod = 0;
|
||||
List *rangeTableList = NIL;
|
||||
RangeTblEntry *updateOrDeleteRTE = NULL;
|
||||
|
||||
ExtractRangeTableEntryWalker((Node *) query, &rangeTableList);
|
||||
updateOrDeleteRTE = GetUpdateOrDeleteRTE(rangeTableList);
|
||||
|
||||
modificationTableCacheEntry = DistributedTableCacheEntry(updateOrDeleteRTE->relid);
|
||||
modificationPartitionMethod = modificationTableCacheEntry->partitionMethod;
|
||||
|
||||
if (modificationPartitionMethod == DISTRIBUTE_BY_NONE &&
|
||||
SelectsFromDistributedTable(rangeTableList))
|
||||
{
|
||||
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
|
||||
errmsg("cannot perform select on a distributed table "
|
||||
"and modify a reference table")));
|
||||
}
|
||||
|
||||
pg_get_query_def(query, queryString);
|
||||
|
||||
task->queryString = queryString->data;
|
||||
task->anchorShardId = shardId;
|
||||
task->taskPlacementList = placementList;
|
||||
task->relationShardList = relationShardList;
|
||||
task->replicationModel = modificationTableCacheEntry->replicationModel;
|
||||
|
||||
return list_make1(task);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1501,85 +1626,52 @@ SelectsFromDistributedTable(List *rangeTableList)
|
|||
DeferredErrorMessage *
|
||||
PlanRouterQuery(Query *originalQuery, RelationRestrictionContext *restrictionContext,
|
||||
List **placementList, uint64 *anchorShardId, List **relationShardList,
|
||||
bool replacePrunedQueryWithDummy)
|
||||
bool replacePrunedQueryWithDummy, bool *multiShardModifyQuery)
|
||||
{
|
||||
bool multiShardQuery = false;
|
||||
bool isMultiShardQuery = false;
|
||||
List *prunedRelationShardList = NIL;
|
||||
DeferredErrorMessage *planningError = NULL;
|
||||
ListCell *prunedRelationShardListCell = NULL;
|
||||
List *workerList = NIL;
|
||||
bool shardsPresent = false;
|
||||
uint64 shardId = INVALID_SHARD_ID;
|
||||
CmdType commandType = originalQuery->commandType;
|
||||
bool isMultiShardModifyQuery = false;
|
||||
|
||||
*placementList = NIL;
|
||||
prunedRelationShardList = TargetShardIntervalsForRouter(originalQuery,
|
||||
restrictionContext,
|
||||
&multiShardQuery);
|
||||
&isMultiShardQuery);
|
||||
|
||||
/*
|
||||
* If multiShardQuery is true then it means a relation has more
|
||||
* than one shard left after pruning.
|
||||
*/
|
||||
if (multiShardQuery)
|
||||
if (isMultiShardQuery)
|
||||
{
|
||||
StringInfo errorMessage = makeStringInfo();
|
||||
StringInfo errorHint = makeStringInfo();
|
||||
CmdType commandType = originalQuery->commandType;
|
||||
const char *commandName = "SELECT";
|
||||
|
||||
if (commandType == CMD_UPDATE)
|
||||
/*
|
||||
* If multiShardQuery is true and it is a type of SELECT query, then
|
||||
* return deferred error. We do not support multi-shard SELECT queries
|
||||
* with this code path.
|
||||
*/
|
||||
if (commandType == CMD_SELECT)
|
||||
{
|
||||
commandName = "UPDATE";
|
||||
}
|
||||
else if (commandType == CMD_DELETE)
|
||||
{
|
||||
commandName = "DELETE";
|
||||
planningError = DeferredError(ERRCODE_FEATURE_NOT_SUPPORTED,
|
||||
NULL, NULL, NULL);
|
||||
return planningError;
|
||||
}
|
||||
|
||||
if (commandType == CMD_UPDATE || commandType == CMD_DELETE)
|
||||
Assert(UpdateOrDeleteQuery(originalQuery));
|
||||
|
||||
planningError = ModifyQuerySupported(originalQuery, isMultiShardQuery);
|
||||
if (planningError != NULL)
|
||||
{
|
||||
List *rangeTableList = NIL;
|
||||
RangeTblEntry *updateOrDeleteRTE = NULL;
|
||||
DistTableCacheEntry *updateOrDeleteTableCacheEntry = NULL;
|
||||
char *partitionKeyString = NULL;
|
||||
char *partitionColumnName = NULL;
|
||||
|
||||
/* extract range table entries */
|
||||
ExtractRangeTableEntryWalker((Node *) originalQuery, &rangeTableList);
|
||||
|
||||
updateOrDeleteRTE = GetUpdateOrDeleteRTE(rangeTableList);
|
||||
updateOrDeleteTableCacheEntry =
|
||||
DistributedTableCacheEntry(updateOrDeleteRTE->relid);
|
||||
|
||||
partitionKeyString = updateOrDeleteTableCacheEntry->partitionKeyString;
|
||||
partitionColumnName = ColumnNameToColumn(updateOrDeleteRTE->relid,
|
||||
partitionKeyString);
|
||||
|
||||
appendStringInfo(errorHint, "Consider using an equality filter on "
|
||||
"partition column \"%s\" to target a "
|
||||
"single shard. If you'd like to run a "
|
||||
"multi-shard operation, use "
|
||||
"master_modify_multiple_shards().",
|
||||
partitionColumnName);
|
||||
return planningError;
|
||||
}
|
||||
|
||||
/* note that for SELECT queries, we never print this error message */
|
||||
appendStringInfo(errorMessage,
|
||||
"cannot run %s command which targets multiple shards",
|
||||
commandName);
|
||||
|
||||
planningError = DeferredError(ERRCODE_FEATURE_NOT_SUPPORTED,
|
||||
errorMessage->data, NULL,
|
||||
errorHint->data);
|
||||
return planningError;
|
||||
isMultiShardModifyQuery = true;
|
||||
}
|
||||
|
||||
foreach(prunedRelationShardListCell, prunedRelationShardList)
|
||||
{
|
||||
List *prunedShardList = (List *) lfirst(prunedRelationShardListCell);
|
||||
|
||||
ShardInterval *shardInterval = NULL;
|
||||
RelationShard *relationShard = NULL;
|
||||
ListCell *shardIntervalCell = NULL;
|
||||
|
||||
/* no shard is present or all shards are pruned out case will be handled later */
|
||||
if (prunedShardList == NIL)
|
||||
|
|
@ -1589,23 +1681,22 @@ PlanRouterQuery(Query *originalQuery, RelationRestrictionContext *restrictionCon
|
|||
|
||||
shardsPresent = true;
|
||||
|
||||
/* all relations are now pruned down to 0 or 1 shards */
|
||||
Assert(list_length(prunedShardList) <= 1);
|
||||
|
||||
shardInterval = (ShardInterval *) linitial(prunedShardList);
|
||||
|
||||
/* anchor shard id */
|
||||
if (shardId == INVALID_SHARD_ID)
|
||||
foreach(shardIntervalCell, prunedShardList)
|
||||
{
|
||||
shardId = shardInterval->shardId;
|
||||
ShardInterval *shardInterval = (ShardInterval *) lfirst(shardIntervalCell);
|
||||
RelationShard *relationShard = CitusMakeNode(RelationShard);
|
||||
|
||||
relationShard->relationId = shardInterval->relationId;
|
||||
relationShard->shardId = shardInterval->shardId;
|
||||
|
||||
*relationShardList = lappend(*relationShardList, relationShard);
|
||||
}
|
||||
}
|
||||
|
||||
/* add relation to shard mapping */
|
||||
relationShard = CitusMakeNode(RelationShard);
|
||||
relationShard->relationId = shardInterval->relationId;
|
||||
relationShard->shardId = shardInterval->shardId;
|
||||
|
||||
*relationShardList = lappend(*relationShardList, relationShard);
|
||||
if (isMultiShardModifyQuery)
|
||||
{
|
||||
*multiShardModifyQuery = true;
|
||||
return planningError;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -1620,6 +1711,9 @@ PlanRouterQuery(Query *originalQuery, RelationRestrictionContext *restrictionCon
|
|||
return planningError;
|
||||
}
|
||||
|
||||
/* we need anchor shard id for select queries with router planner */
|
||||
shardId = GetInitialShardId(prunedRelationShardList);
|
||||
|
||||
/*
|
||||
* Determine the worker that has all shard placements if a shard placement found.
|
||||
* If no shard placement exists and replacePrunedQueryWithDummy flag is set, we will
|
||||
|
|
@ -1665,6 +1759,7 @@ PlanRouterQuery(Query *originalQuery, RelationRestrictionContext *restrictionCon
|
|||
return planningError;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* If this is an UPDATE or DELETE query which requires master evaluation,
|
||||
* don't try update shard names, and postpone that to execution phase.
|
||||
|
|
@ -1674,6 +1769,7 @@ PlanRouterQuery(Query *originalQuery, RelationRestrictionContext *restrictionCon
|
|||
UpdateRelationToShardNames((Node *) originalQuery, *relationShardList);
|
||||
}
|
||||
|
||||
*multiShardModifyQuery = false;
|
||||
*placementList = workerList;
|
||||
*anchorShardId = shardId;
|
||||
|
||||
|
|
@ -1681,15 +1777,43 @@ PlanRouterQuery(Query *originalQuery, RelationRestrictionContext *restrictionCon
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
* GetInitialShardId returns the initial shard id given relation shard list. If
|
||||
* there is no relation shard exist in the list returns INAVLID_SHARD_ID.
|
||||
*/
|
||||
static uint64
|
||||
GetInitialShardId(List *relationShardList)
|
||||
{
|
||||
ListCell *prunedRelationShardListCell = NULL;
|
||||
|
||||
foreach(prunedRelationShardListCell, relationShardList)
|
||||
{
|
||||
List *prunedShardList = (List *) lfirst(prunedRelationShardListCell);
|
||||
ShardInterval *shardInterval = NULL;
|
||||
|
||||
/* no shard is present or all shards are pruned out case will be handled later */
|
||||
if (prunedShardList == NIL)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
shardInterval = linitial(prunedShardList);
|
||||
return shardInterval->shardId;
|
||||
}
|
||||
|
||||
return INVALID_SHARD_ID;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* TargetShardIntervalsForRouter performs shard pruning for all referenced relations
|
||||
* in the query and returns list of shards per relation. Shard pruning is done based
|
||||
* on provided restriction context per relation. The function bails out and returns
|
||||
* after setting multiShardQuery to true if any of the relations pruned down to
|
||||
* more than one active shard. It also records pruned shard intervals in relation
|
||||
* restriction context to be used later on. Some queries may have contradiction
|
||||
* clauses like 'and false' or 'and 1=0', such queries are treated as if all of
|
||||
* the shards of joining relations are pruned out.
|
||||
* on provided restriction context per relation. The function sets multiShardQuery
|
||||
* to true if any of the relations pruned down to more than one active shard. It
|
||||
* also records pruned shard intervals in relation restriction context to be used
|
||||
* later on. Some queries may have contradiction clauses like 'and false' or
|
||||
* 'and 1=0', such queries are treated as if all of the shards of joining
|
||||
* relations are pruned out.
|
||||
*/
|
||||
static List *
|
||||
TargetShardIntervalsForRouter(Query *query,
|
||||
|
|
@ -1729,17 +1853,9 @@ TargetShardIntervalsForRouter(Query *query,
|
|||
{
|
||||
prunedShardList = PruneShards(relationId, tableId, restrictClauseList);
|
||||
|
||||
/*
|
||||
* Quick bail out. The query can not be router plannable if one
|
||||
* relation has more than one shard left after pruning. Having no
|
||||
* shard left is okay at this point. It will be handled at a later
|
||||
* stage.
|
||||
*/
|
||||
if (list_length(prunedShardList) > 1)
|
||||
{
|
||||
(*multiShardQuery) = true;
|
||||
|
||||
return NIL;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1783,10 +1899,10 @@ RelationPrunesToMultipleShards(List *relationShardList)
|
|||
|
||||
|
||||
/*
|
||||
* WorkersContainingAllShards returns list of shard placements that contain all
|
||||
* shard intervals provided to the function. It returns NIL if no placement exists.
|
||||
* The caller should check if there are any shard intervals exist for placement
|
||||
* check prior to calling this function.
|
||||
* WorkersContainingSelectShards returns list of shard placements that contain all
|
||||
* shard intervals provided to the select query. It returns NIL if no placement
|
||||
* exists. The caller should check if there are any shard intervals exist for
|
||||
* placement check prior to calling this function.
|
||||
*/
|
||||
static List *
|
||||
WorkersContainingAllShards(List *prunedShardIntervalsList)
|
||||
|
|
@ -2324,10 +2440,9 @@ ExtractInsertValuesList(Query *query, Var *partitionColumn)
|
|||
/*
|
||||
* MultiRouterPlannableQuery returns true if given query can be router plannable.
|
||||
* The query is router plannable if it is a modify query, or if its is a select
|
||||
* query issued on a hash partitioned distributed table, and it has a filter
|
||||
* to reduce number of shard pairs to one, and all shard pairs are located on
|
||||
* the same node. Router plannable checks for select queries can be turned off
|
||||
* by setting citus.enable_router_execution flag to false.
|
||||
* query issued on a hash partitioned distributed table. Router plannable checks
|
||||
* for select queries can be turned off by setting citus.enable_router_execution
|
||||
* flag to false.
|
||||
*/
|
||||
static bool
|
||||
MultiRouterPlannableQuery(Query *query, RelationRestrictionContext *restrictionContext)
|
||||
|
|
|
|||
|
|
@ -120,6 +120,12 @@ static const struct config_enum_entry multi_task_query_log_level_options[] = {
|
|||
{ NULL, 0, false }
|
||||
};
|
||||
|
||||
static const struct config_enum_entry multi_shard_modify_connection_options[] = {
|
||||
{ "parallel", PARALLEL_CONNECTION, false },
|
||||
{ "sequential", SEQUENTIAL_CONNECTION, false },
|
||||
{ NULL, 0, false }
|
||||
};
|
||||
|
||||
/* *INDENT-ON* */
|
||||
|
||||
|
||||
|
|
@ -733,6 +739,16 @@ RegisterCitusConfigVariables(void)
|
|||
0,
|
||||
NULL, NULL, NULL);
|
||||
|
||||
DefineCustomEnumVariable(
|
||||
"citus.multi_shard_modify_mode",
|
||||
gettext_noop("Sets the connection type for multi shard modify queries"),
|
||||
NULL,
|
||||
&MultiShardConnectionType,
|
||||
PARALLEL_CONNECTION, multi_shard_modify_connection_options,
|
||||
PGC_USERSET,
|
||||
0,
|
||||
NULL, NULL, NULL);
|
||||
|
||||
DefineCustomStringVariable(
|
||||
"citus.version",
|
||||
gettext_noop("Shows the Citus library version"),
|
||||
|
|
|
|||
|
|
@ -412,7 +412,7 @@ LoadShardPlacement(uint64 shardId, uint64 placementId)
|
|||
|
||||
/*
|
||||
* FindShardPlacementOnGroup returns the shard placement for the given shard
|
||||
* on the given group, or returns NULL of no placement for the shard exists
|
||||
* on the given group, or returns NULL if no placement for the shard exists
|
||||
* on the group.
|
||||
*/
|
||||
ShardPlacement *
|
||||
|
|
|
|||
|
|
@ -28,6 +28,14 @@ typedef struct CitusScanState
|
|||
} CitusScanState;
|
||||
|
||||
|
||||
/* managed via guc.c */
|
||||
typedef enum
|
||||
{
|
||||
PARALLEL_CONNECTION = 0,
|
||||
SEQUENTIAL_CONNECTION = 1
|
||||
} MultiShardConnectionTypes;
|
||||
extern int MultiShardConnectionType;
|
||||
|
||||
extern Node * RealTimeCreateScan(CustomScan *scan);
|
||||
extern Node * TaskTrackerCreateScan(CustomScan *scan);
|
||||
extern Node * RouterCreateScan(CustomScan *scan);
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@
|
|||
/* values used by jobs and tasks which do not require identifiers */
|
||||
#define INVALID_JOB_ID 0
|
||||
#define INVALID_TASK_ID 0
|
||||
|
||||
#define MULTI_TASK_QUERY_INFO_OFF 0 /* do not log multi-task queries */
|
||||
|
||||
typedef struct RelationRestrictionContext
|
||||
{
|
||||
|
|
@ -83,7 +83,10 @@ extern void multi_join_restriction_hook(PlannerInfo *root,
|
|||
JoinType jointype,
|
||||
JoinPathExtraData *extra);
|
||||
extern bool IsModifyCommand(Query *query);
|
||||
extern bool IsUpdateOrDelete(struct MultiPlan *multiPlan);
|
||||
extern bool IsModifyMultiPlan(struct MultiPlan *multiPlan);
|
||||
extern bool IsMultiTaskPlan(struct MultiPlan *multiPlan);
|
||||
extern bool IsMultiShardModifyPlan(struct MultiPlan *multiPlan);
|
||||
extern RangeTblEntry * RemoteScanRangeTableEntry(List *columnNameList);
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -36,7 +36,8 @@ extern DeferredErrorMessage * PlanRouterQuery(Query *originalQuery,
|
|||
restrictionContext,
|
||||
List **placementList, uint64 *anchorShardId,
|
||||
List **relationShardList, bool
|
||||
replacePrunedQueryWithDummy);
|
||||
replacePrunedQueryWithDummy,
|
||||
bool *multiShardModifyQuery);
|
||||
extern List * RouterInsertTaskList(Query *query, DeferredErrorMessage **planningError);
|
||||
extern List * IntersectPlacementList(List *lhsPlacementList, List *rhsPlacementList);
|
||||
extern DeferredErrorMessage * ModifyQuerySupported(Query *queryTree,
|
||||
|
|
@ -52,6 +53,7 @@ extern RangeTblEntry * ExtractDistributedInsertValuesRTE(Query *query);
|
|||
extern bool IsMultiRowInsert(Query *query);
|
||||
extern void AddShardIntervalRestrictionToSelect(Query *subqery,
|
||||
ShardInterval *shardInterval);
|
||||
extern bool UpdateOrDeleteQuery(Query *query);
|
||||
|
||||
|
||||
#endif /* MULTI_ROUTER_PLANNER_H */
|
||||
|
|
|
|||
|
|
@ -36,8 +36,6 @@
|
|||
#define JOB_CLEANUP_QUERY "SELECT task_tracker_cleanup_job("UINT64_FORMAT ")"
|
||||
#define JOB_CLEANUP_TASK_ID INT_MAX
|
||||
|
||||
#define MULTI_TASK_QUERY_INFO_OFF 0 /* do not log multi-task queries */
|
||||
|
||||
|
||||
/* Enumeration to track one task's execution status */
|
||||
typedef enum
|
||||
|
|
|
|||
|
|
@ -0,0 +1,317 @@
|
|||
Parsed test spec with 2 sessions
|
||||
|
||||
starting permutation: s1-begin s1-update_all_value_1 s2-begin s2-select s1-commit s2-select s2-commit
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 5 6 7
|
||||
2 12 7 18
|
||||
3 23 8 25
|
||||
4 42 9 23
|
||||
5 35 10 17
|
||||
6 21 11 25
|
||||
7 27 12 18
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 3 6 7
|
||||
2 3 7 18
|
||||
3 3 8 25
|
||||
4 3 9 23
|
||||
5 3 10 17
|
||||
6 3 11 25
|
||||
7 3 12 18
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
|
||||
starting permutation: s1-begin s1-update_all_value_1 s2-begin s2-update_all_value_1 s1-commit s2-commit
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 6;
|
||||
<waiting ...>
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-update_all_value_1: <... completed>
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
|
||||
starting permutation: s1-begin s1-update_value_1_of_1_or_3 s2-begin s2-update_value_1_of_4_or_6 s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-update_value_1_of_1_or_3:
|
||||
UPDATE users_test_table SET value_1 = 5 WHERE user_id = 1 or user_id = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-update_value_1_of_4_or_6:
|
||||
UPDATE users_test_table SET value_1 = 4 WHERE user_id = 4 or user_id = 6;
|
||||
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 5 6 7
|
||||
2 12 7 18
|
||||
3 5 8 25
|
||||
4 4 9 23
|
||||
5 35 10 17
|
||||
6 4 11 25
|
||||
7 27 12 18
|
||||
|
||||
starting permutation: s1-begin s1-update_value_1_of_1_or_3 s2-begin s2-update_value_1_of_1_or_3 s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-update_value_1_of_1_or_3:
|
||||
UPDATE users_test_table SET value_1 = 5 WHERE user_id = 1 or user_id = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-update_value_1_of_1_or_3:
|
||||
UPDATE users_test_table SET value_1 = 8 WHERE user_id = 1 or user_id = 3;
|
||||
<waiting ...>
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-update_value_1_of_1_or_3: <... completed>
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 8 6 7
|
||||
2 12 7 18
|
||||
3 8 8 25
|
||||
4 42 9 23
|
||||
5 35 10 17
|
||||
6 21 11 25
|
||||
7 27 12 18
|
||||
|
||||
starting permutation: s1-begin s1-update_all_value_1 s2-begin s2-insert-to-table s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-insert-to-table:
|
||||
INSERT INTO users_test_table VALUES (1,2,3,4);
|
||||
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 2 3 4
|
||||
1 3 6 7
|
||||
2 3 7 18
|
||||
3 3 8 25
|
||||
4 3 9 23
|
||||
5 3 10 17
|
||||
6 3 11 25
|
||||
7 3 12 18
|
||||
|
||||
starting permutation: s1-begin s1-update_all_value_1 s2-begin s2-insert-into-select s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-insert-into-select:
|
||||
INSERT INTO users_test_table SELECT * FROM events_test_table;
|
||||
<waiting ...>
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-insert-into-select: <... completed>
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 3 6 7
|
||||
1 5 7 7
|
||||
2 3 7 18
|
||||
3 3 8 25
|
||||
4 3 9 23
|
||||
5 22 9 25
|
||||
5 3 10 17
|
||||
7 41 10 23
|
||||
6 3 11 25
|
||||
1 20 12 25
|
||||
7 3 12 18
|
||||
3 26 13 18
|
||||
5 17 14 4
|
||||
3 11 78 18
|
||||
|
||||
starting permutation: s1-begin s1-change_connection_mode_to_sequential s1-update_all_value_1 s2-begin s2-change_connection_mode_to_sequential s2-update_all_value_1 s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-change_connection_mode_to_sequential:
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
|
||||
step s1-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-change_connection_mode_to_sequential:
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
|
||||
step s2-update_all_value_1:
|
||||
UPDATE users_test_table SET value_1 = 6;
|
||||
<waiting ...>
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-update_all_value_1: <... completed>
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 6 6 7
|
||||
2 6 7 18
|
||||
3 6 8 25
|
||||
4 6 9 23
|
||||
5 6 10 17
|
||||
6 6 11 25
|
||||
7 6 12 18
|
||||
|
||||
starting permutation: s1-begin s1-change_connection_mode_to_sequential s1-update_value_1_of_1_or_3 s2-begin s2-change_connection_mode_to_sequential s2-update_value_1_of_1_or_3 s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-change_connection_mode_to_sequential:
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
|
||||
step s1-update_value_1_of_1_or_3:
|
||||
UPDATE users_test_table SET value_1 = 5 WHERE user_id = 1 or user_id = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-change_connection_mode_to_sequential:
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
|
||||
step s2-update_value_1_of_1_or_3:
|
||||
UPDATE users_test_table SET value_1 = 8 WHERE user_id = 1 or user_id = 3;
|
||||
<waiting ...>
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-update_value_1_of_1_or_3: <... completed>
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 8 6 7
|
||||
2 12 7 18
|
||||
3 8 8 25
|
||||
4 42 9 23
|
||||
5 35 10 17
|
||||
6 21 11 25
|
||||
7 27 12 18
|
||||
|
||||
starting permutation: s1-begin s1-change_connection_mode_to_sequential s1-update_value_1_of_1_or_3 s2-begin s2-change_connection_mode_to_sequential s2-update_value_1_of_4_or_6 s1-commit s2-commit s2-select
|
||||
step s1-begin:
|
||||
BEGIN;
|
||||
|
||||
step s1-change_connection_mode_to_sequential:
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
|
||||
step s1-update_value_1_of_1_or_3:
|
||||
UPDATE users_test_table SET value_1 = 5 WHERE user_id = 1 or user_id = 3;
|
||||
|
||||
step s2-begin:
|
||||
BEGIN;
|
||||
|
||||
step s2-change_connection_mode_to_sequential:
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
|
||||
step s2-update_value_1_of_4_or_6:
|
||||
UPDATE users_test_table SET value_1 = 4 WHERE user_id = 4 or user_id = 6;
|
||||
|
||||
step s1-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-commit:
|
||||
COMMIT;
|
||||
|
||||
step s2-select:
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
|
||||
user_id value_1 value_2 value_3
|
||||
|
||||
1 5 6 7
|
||||
2 12 7 18
|
||||
3 5 8 25
|
||||
4 4 9 23
|
||||
5 35 10 17
|
||||
6 4 11 25
|
||||
7 27 12 18
|
||||
|
|
@ -747,6 +747,70 @@ t
|
|||
SELECT true AS valid FROM explain_json($$
|
||||
SELECT avg(l_linenumber) FROM lineitem WHERE l_orderkey > 9030$$);
|
||||
t
|
||||
|
||||
-- Test multi shard update
|
||||
EXPLAIN (COSTS FALSE)
|
||||
UPDATE lineitem_hash_part
|
||||
SET l_suppkey = 12;
|
||||
Custom Scan (Citus Router)
|
||||
Task Count: 4
|
||||
Tasks Shown: All
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Update on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Update on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Update on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Update on lineitem_hash_part_360293 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360293 lineitem_hash_part
|
||||
|
||||
EXPLAIN (COSTS FALSE)
|
||||
UPDATE lineitem_hash_part
|
||||
SET l_suppkey = 12
|
||||
WHERE l_orderkey = 1 OR l_orderkey = 3;
|
||||
Custom Scan (Citus Router)
|
||||
Task Count: 2
|
||||
Tasks Shown: All
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Update on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360290 lineitem_hash_part
|
||||
Filter: ((l_orderkey = 1) OR (l_orderkey = 3))
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Update on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360291 lineitem_hash_part
|
||||
Filter: ((l_orderkey = 1) OR (l_orderkey = 3))
|
||||
-- Test multi shard delete
|
||||
EXPLAIN (COSTS FALSE)
|
||||
DELETE FROM lineitem_hash_part;
|
||||
Custom Scan (Citus Router)
|
||||
Task Count: 4
|
||||
Tasks Shown: All
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360293 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360293 lineitem_hash_part
|
||||
-- Test track tracker
|
||||
SET citus.task_executor_type TO 'task-tracker';
|
||||
SET citus.explain_all_tasks TO off;
|
||||
|
|
|
|||
|
|
@ -747,6 +747,70 @@ t
|
|||
SELECT true AS valid FROM explain_json($$
|
||||
SELECT avg(l_linenumber) FROM lineitem WHERE l_orderkey > 9030$$);
|
||||
t
|
||||
|
||||
-- Test multi shard update
|
||||
EXPLAIN (COSTS FALSE)
|
||||
UPDATE lineitem_hash_part
|
||||
SET l_suppkey = 12;
|
||||
Custom Scan (Citus Router)
|
||||
Task Count: 4
|
||||
Tasks Shown: All
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Update on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Update on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Update on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Update on lineitem_hash_part_360293 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360293 lineitem_hash_part
|
||||
|
||||
EXPLAIN (COSTS FALSE)
|
||||
UPDATE lineitem_hash_part
|
||||
SET l_suppkey = 12
|
||||
WHERE l_orderkey = 1 OR l_orderkey = 3;
|
||||
Custom Scan (Citus Router)
|
||||
Task Count: 2
|
||||
Tasks Shown: All
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Update on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360290 lineitem_hash_part
|
||||
Filter: ((l_orderkey = 1) OR (l_orderkey = 3))
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Update on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360291 lineitem_hash_part
|
||||
Filter: ((l_orderkey = 1) OR (l_orderkey = 3))
|
||||
-- Test multi shard delete
|
||||
EXPLAIN (COSTS FALSE)
|
||||
DELETE FROM lineitem_hash_part;
|
||||
Custom Scan (Citus Router)
|
||||
Task Count: 4
|
||||
Tasks Shown: All
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360290 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360291 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57637 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360292 lineitem_hash_part
|
||||
-> Task
|
||||
Node: host=localhost port=57638 dbname=regression
|
||||
-> Delete on lineitem_hash_part_360293 lineitem_hash_part
|
||||
-> Seq Scan on lineitem_hash_part_360293 lineitem_hash_part
|
||||
-- Test track tracker
|
||||
SET citus.task_executor_type TO 'task-tracker';
|
||||
SET citus.explain_all_tasks TO off;
|
||||
|
|
|
|||
|
|
@ -290,10 +290,6 @@ SELECT COUNT(*) FROM limit_orders WHERE id = 246;
|
|||
0
|
||||
(1 row)
|
||||
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
DELETE FROM limit_orders WHERE bidder_id = 162;
|
||||
ERROR: cannot run DELETE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
-- commands with a USING clause are unsupported
|
||||
CREATE TABLE bidders ( name text, id bigint );
|
||||
DELETE FROM limit_orders USING bidders WHERE limit_orders.id = 246 AND
|
||||
|
|
@ -304,10 +300,6 @@ ERROR: cannot plan queries which include both local and distributed relations
|
|||
WITH deleted_orders AS (INSERT INTO limit_orders DEFAULT VALUES RETURNING *)
|
||||
DELETE FROM limit_orders;
|
||||
ERROR: common table expressions are not supported in distributed modifications
|
||||
-- cursors are not supported
|
||||
DELETE FROM limit_orders WHERE CURRENT OF cursor_name;
|
||||
ERROR: cannot run DELETE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
INSERT INTO limit_orders VALUES (246, 'TSLA', 162, '2007-07-02 16:32:15', 'sell', 20.69);
|
||||
-- simple UPDATE
|
||||
UPDATE limit_orders SET symbol = 'GM' WHERE id = 246;
|
||||
|
|
@ -423,10 +415,6 @@ AND s.logicalrelid = 'limit_orders'::regclass;
|
|||
ALTER TABLE renamed_orders RENAME TO limit_orders_750000;
|
||||
-- Third: Connect back to master node
|
||||
\c - - - :master_port
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
UPDATE limit_orders SET limit_price = 0.00;
|
||||
ERROR: cannot run UPDATE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
-- attempting to change the partition key is unsupported
|
||||
UPDATE limit_orders SET id = 0 WHERE id = 246;
|
||||
ERROR: modifying the partition value of rows is not allowed
|
||||
|
|
@ -522,10 +510,6 @@ HINT: You can enable two-phase commit for extra safety with: SET citus.multi_sh
|
|||
-- even in RETURNING
|
||||
UPDATE limit_orders SET placed_at = placed_at WHERE id = 246 RETURNING NOW();
|
||||
ERROR: non-IMMUTABLE functions are not allowed in the RETURNING clause
|
||||
-- cursors are not supported
|
||||
UPDATE limit_orders SET symbol = 'GM' WHERE CURRENT OF cursor_name;
|
||||
ERROR: cannot run UPDATE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
-- check that multi-row UPDATE/DELETEs with RETURNING work
|
||||
INSERT INTO multiple_hash VALUES ('0', '1');
|
||||
INSERT INTO multiple_hash VALUES ('0', '2');
|
||||
|
|
@ -984,12 +968,12 @@ SELECT * FROM summary_table ORDER BY id;
|
|||
-- unsupported multi-shard updates
|
||||
UPDATE summary_table SET average_value = average_query.average FROM (
|
||||
SELECT avg(value) AS average FROM raw_table) average_query;
|
||||
ERROR: cannot run UPDATE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "id" to target a single shard.
|
||||
UPDATE summary_table SET average_value = average_value + 1 WHERE id =
|
||||
(SELECT id FROM raw_table WHERE value > 100);
|
||||
ERROR: cannot run UPDATE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "id" to target a single shard.
|
||||
-- test complex queries
|
||||
UPDATE summary_table
|
||||
SET
|
||||
|
|
@ -1128,8 +1112,8 @@ SELECT master_modify_multiple_shards('
|
|||
SELECT avg(value) AS average FROM raw_table WHERE id = 1
|
||||
) average_query
|
||||
WHERE id = 1');
|
||||
ERROR: cannot perform distributed planning for the given modifications
|
||||
DETAIL: Subqueries are not supported in distributed modifications.
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "id" to target a single shard.
|
||||
-- test connection API via using COPY
|
||||
-- COPY on SELECT part
|
||||
BEGIN;
|
||||
|
|
|
|||
|
|
@ -158,10 +158,8 @@ SELECT COUNT(*) FROM limit_orders_mx WHERE id = 246;
|
|||
0
|
||||
(1 row)
|
||||
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
-- multi shard delete is supported
|
||||
DELETE FROM limit_orders_mx WHERE bidder_id = 162;
|
||||
ERROR: cannot run DELETE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
-- commands with a USING clause are unsupported
|
||||
CREATE TABLE bidders ( name text, id bigint );
|
||||
DELETE FROM limit_orders_mx USING bidders WHERE limit_orders_mx.id = 246 AND
|
||||
|
|
@ -174,8 +172,7 @@ DELETE FROM limit_orders_mx;
|
|||
ERROR: common table expressions are not supported in distributed modifications
|
||||
-- cursors are not supported
|
||||
DELETE FROM limit_orders_mx WHERE CURRENT OF cursor_name;
|
||||
ERROR: cannot run DELETE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
ERROR: cannot run DML queries with cursors
|
||||
INSERT INTO limit_orders_mx VALUES (246, 'TSLA', 162, '2007-07-02 16:32:15', 'sell', 20.69);
|
||||
-- simple UPDATE
|
||||
UPDATE limit_orders_mx SET symbol = 'GM' WHERE id = 246;
|
||||
|
|
@ -228,10 +225,8 @@ INSERT INTO limit_orders_mx VALUES (275, 'ADR', 140, '2007-07-02 16:32:15', 'sel
|
|||
ERROR: duplicate key value violates unique constraint "limit_orders_mx_pkey_1220093"
|
||||
DETAIL: Key (id)=(275) already exists.
|
||||
CONTEXT: while executing command on localhost:57638
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
-- multi shard update is supported
|
||||
UPDATE limit_orders_mx SET limit_price = 0.00;
|
||||
ERROR: cannot run UPDATE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
-- attempting to change the partition key is unsupported
|
||||
UPDATE limit_orders_mx SET id = 0 WHERE id = 246;
|
||||
ERROR: modifying the partition value of rows is not allowed
|
||||
|
|
@ -304,7 +299,7 @@ CREATE FUNCTION temp_strict_func(integer,integer) RETURNS integer AS
|
|||
'SELECT COALESCE($1, 2) + COALESCE($1, 3);' LANGUAGE SQL STABLE STRICT;
|
||||
UPDATE limit_orders_mx SET bidder_id = temp_strict_func(1, null) WHERE id = 246;
|
||||
ERROR: null value in column "bidder_id" violates not-null constraint
|
||||
DETAIL: Failing row contains (246, GM, null, 2007-07-02 16:32:15, buy, 999, {1,2}).
|
||||
DETAIL: Failing row contains (246, GM, null, 2007-07-02 16:32:15, buy, 0.00, {1,2}).
|
||||
CONTEXT: while executing command on localhost:57637
|
||||
SELECT array_of_values FROM limit_orders_mx WHERE id = 246;
|
||||
array_of_values
|
||||
|
|
@ -324,8 +319,7 @@ UPDATE limit_orders_mx SET placed_at = placed_at WHERE id = 246 RETURNING NOW();
|
|||
ERROR: non-IMMUTABLE functions are not allowed in the RETURNING clause
|
||||
-- cursors are not supported
|
||||
UPDATE limit_orders_mx SET symbol = 'GM' WHERE CURRENT OF cursor_name;
|
||||
ERROR: cannot run UPDATE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "id" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
ERROR: cannot run DML queries with cursors
|
||||
-- check that multi-row UPDATE/DELETEs with RETURNING work
|
||||
INSERT INTO multiple_hash_mx VALUES ('0', '1');
|
||||
INSERT INTO multiple_hash_mx VALUES ('0', '2');
|
||||
|
|
|
|||
|
|
@ -0,0 +1,499 @@
|
|||
--
|
||||
-- multi shard update delete
|
||||
-- this file is intended to test multi shard update/delete queries
|
||||
--
|
||||
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1440000;
|
||||
ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 1440000;
|
||||
SET citus.shard_replication_factor to 1;
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
\COPY users_test_table FROM STDIN DELIMITER AS ',';
|
||||
CREATE TABLE events_test_table (user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('events_test_table', 'user_id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
\COPY events_test_table FROM STDIN DELIMITER AS ',';
|
||||
CREATE TABLE events_reference_copy_table (like events_test_table);
|
||||
SELECT create_reference_table('events_reference_copy_table');
|
||||
create_reference_table
|
||||
------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
INSERT INTO events_reference_copy_table SELECT * FROM events_test_table;
|
||||
CREATE TABLE users_reference_copy_table (like users_test_table);
|
||||
SELECT create_reference_table('users_reference_copy_table');
|
||||
create_reference_table
|
||||
------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
INSERT INTO users_reference_copy_table SELECT * FROM users_test_table;
|
||||
-- Run multi shard updates and deletes without transaction on hash distributed tables
|
||||
UPDATE users_test_table SET value_1 = 1;
|
||||
SELECT COUNT(*), SUM(value_1) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
15 | 15
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 52
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_2 = value_2 + 1 WHERE user_id = 1 or user_id = 3;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 56
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id <> 5;
|
||||
SELECT SUM(value_3) FROM users_test_table WHERE user_id <> 5;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
4
|
||||
(1 row)
|
||||
|
||||
DELETE FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Run multi shard update delete queries within transactions
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Update can also be rollbacked
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 1;
|
||||
ROLLBACK;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Run with inserts (we need to set citus.multi_shard_modify_mode to sequential)
|
||||
BEGIN;
|
||||
INSERT INTO users_test_table (user_id, value_3) VALUES(20, 15);
|
||||
INSERT INTO users_test_table (user_id, value_3) VALUES(16,1), (20,16), (7,1), (20,17);
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
UPDATE users_test_table SET value_3 = 1;
|
||||
END;
|
||||
SELECT COUNT()SUM(value_3) FROM users_test_table;
|
||||
ERROR: syntax error at or near "("
|
||||
LINE 1: SELECT COUNT()SUM(value_3) FROM users_test_table;
|
||||
^
|
||||
SET citus.multi_shard_modify_mode to 'sequential';
|
||||
-- Run multiple multi shard updates (with sequential executor)
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 5;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_copy_table;
|
||||
ERROR: relation "users_copy_table" does not exist
|
||||
LINE 1: SELECT SUM(value_3) FROM users_copy_table;
|
||||
^
|
||||
-- Run multiple multi shard updates (with parallel executor)
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
UPDATE users_test_table SET value_3 = 5;
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 2;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Check with kind of constraints
|
||||
UPDATE users_test_table SET value_3 = 1 WHERE user_id = 3 or true;
|
||||
SELECT COUNT(*), SUM(value_3) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
16 | 16
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id = 20 and false;
|
||||
SELECT COUNT(*), SUM(value_3) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
16 | 16
|
||||
(1 row)
|
||||
|
||||
-- Run multi shard updates with prepared statements
|
||||
PREPARE foo_plan(int,int) AS UPDATE users_test_table SET value_1 = $1, value_3 = $2;
|
||||
EXECUTE foo_plan(1,5);
|
||||
EXECUTE foo_plan(3,15);
|
||||
EXECUTE foo_plan(5,25);
|
||||
EXECUTE foo_plan(7,35);
|
||||
EXECUTE foo_plan(9,45);
|
||||
EXECUTE foo_plan(0,0);
|
||||
SELECT SUM(value_1), SUM(value_3) FROM users_test_table;
|
||||
sum | sum
|
||||
-----+-----
|
||||
0 | 0
|
||||
(1 row)
|
||||
|
||||
-- Test on append table (set executor mode to sequential, since with the append
|
||||
-- distributed tables parallel executor may create tons of connections)
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
CREATE TABLE append_stage_table(id int, col_2 int);
|
||||
INSERT INTO append_stage_table VALUES(1,3);
|
||||
INSERT INTO append_stage_table VALUES(3,2);
|
||||
INSERT INTO append_stage_table VALUES(5,4);
|
||||
CREATE TABLE test_append_table(id int, col_2 int);
|
||||
SELECT create_distributed_table('test_append_table','id','append');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
SELECT master_create_empty_shard('test_append_table');
|
||||
master_create_empty_shard
|
||||
---------------------------
|
||||
1440066
|
||||
(1 row)
|
||||
|
||||
SELECT * FROM master_append_table_to_shard(1440066, 'append_stage_table', 'localhost', :master_port);
|
||||
master_append_table_to_shard
|
||||
------------------------------
|
||||
0.0266667
|
||||
(1 row)
|
||||
|
||||
SELECT master_create_empty_shard('test_append_table') AS new_shard_id;
|
||||
new_shard_id
|
||||
--------------
|
||||
1440067
|
||||
(1 row)
|
||||
|
||||
SELECT * FROM master_append_table_to_shard(1440067, 'append_stage_table', 'localhost', :master_port);
|
||||
master_append_table_to_shard
|
||||
------------------------------
|
||||
0.0266667
|
||||
(1 row)
|
||||
|
||||
UPDATE test_append_table SET col_2 = 5;
|
||||
SELECT * FROM test_append_table;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 5
|
||||
3 | 5
|
||||
5 | 5
|
||||
1 | 5
|
||||
3 | 5
|
||||
5 | 5
|
||||
(6 rows)
|
||||
|
||||
DROP TABLE append_stage_table;
|
||||
DROP TABLE test_append_table;
|
||||
-- Update multi shard of partitioned distributed table
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
SET citus.shard_replication_factor to 1;
|
||||
CREATE TABLE tt1(id int, col_2 int) partition by range (col_2);
|
||||
CREATE TABLE tt1_510 partition of tt1 for VALUES FROM (5) to (10);
|
||||
CREATE TABLE tt1_1120 partition of tt1 for VALUES FROM (11) to (20);
|
||||
INSERT INTO tt1 VALUES (1,11), (3,15), (5,17), (6,19), (8,17), (2,12);
|
||||
SELECT create_distributed_table('tt1','id');
|
||||
NOTICE: Copying data from local table...
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
UPDATE tt1 SET col_2 = 13;
|
||||
DELETE FROM tt1 WHERE id = 1 or id = 3 or id = 5;
|
||||
SELECT * FROM tt1;
|
||||
id | col_2
|
||||
----+-------
|
||||
8 | 13
|
||||
6 | 13
|
||||
2 | 13
|
||||
(3 rows)
|
||||
|
||||
-- Partitioned distributed table within transaction
|
||||
INSERT INTO tt1 VALUES(4,6);
|
||||
INSERT INTO tt1 VALUES(7,7);
|
||||
INSERT INTO tt1 VALUES(9,8);
|
||||
BEGIN;
|
||||
-- Update rows from partititon tt1_1120
|
||||
UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
-- Update rows from partititon tt1_510
|
||||
UPDATE tt1 SET col_2 = 7 WHERE col_2 < 10 and col_2 > 5;
|
||||
COMMIT;
|
||||
SELECT * FROM tt1;
|
||||
id | col_2
|
||||
----+-------
|
||||
8 | 12
|
||||
4 | 7
|
||||
7 | 7
|
||||
6 | 12
|
||||
2 | 12
|
||||
9 | 7
|
||||
(6 rows)
|
||||
|
||||
-- Modify main table and partition table within same transaction
|
||||
BEGIN;
|
||||
UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
UPDATE tt1 SET col_2 = 7 WHERE col_2 < 10 and col_2 > 5;
|
||||
DELETE FROM tt1_510;
|
||||
DELETE FROM tt1_1120;
|
||||
COMMIT;
|
||||
SELECT * FROM tt1;
|
||||
id | col_2
|
||||
----+-------
|
||||
(0 rows)
|
||||
|
||||
DROP TABLE tt1;
|
||||
-- Update and copy in the same transaction
|
||||
CREATE TABLE tt2(id int, col_2 int);
|
||||
SELECT create_distributed_table('tt2','id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
BEGIN;
|
||||
\COPY tt2 FROM STDIN DELIMITER AS ',';
|
||||
UPDATE tt2 SET col_2 = 1;
|
||||
COMMIT;
|
||||
SELECT * FROM tt2;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 1
|
||||
7 | 1
|
||||
3 | 1
|
||||
2 | 1
|
||||
9 | 1
|
||||
(5 rows)
|
||||
|
||||
-- Test returning with both type of executors
|
||||
UPDATE tt2 SET col_2 = 5 RETURNING id, col_2;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 5
|
||||
7 | 5
|
||||
3 | 5
|
||||
2 | 5
|
||||
9 | 5
|
||||
(5 rows)
|
||||
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
UPDATE tt2 SET col_2 = 3 RETURNING id, col_2;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 3
|
||||
7 | 3
|
||||
3 | 3
|
||||
2 | 3
|
||||
9 | 3
|
||||
(5 rows)
|
||||
|
||||
DROP TABLE tt2;
|
||||
-- Multiple RTEs are not supported
|
||||
SET citus.multi_shard_modify_mode to DEFAULT;
|
||||
UPDATE users_test_table SET value_2 = 5 FROM events_test_table WHERE users_test_table.user_id = events_test_table.user_id;
|
||||
ERROR: cannot perform distributed planning for the given modification
|
||||
DETAIL: Joins are not supported in distributed modifications.
|
||||
UPDATE users_test_table SET value_2 = (SELECT value_3 FROM users_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
UPDATE users_test_table SET value_2 = (SELECT value_2 FROM events_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
DELETE FROM users_test_table USING events_test_table WHERE users_test_table.user_id = events_test_table.user_id;
|
||||
ERROR: cannot perform distributed planning for the given modification
|
||||
DETAIL: Joins are not supported in distributed modifications.
|
||||
DELETE FROM users_test_table WHERE users_test_table.user_id = (SELECT user_id FROM events_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
DELETE FROM users_test_table WHERE users_test_table.user_id = (SELECT value_1 FROM users_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
-- Cursors are not supported
|
||||
BEGIN;
|
||||
DECLARE test_cursor CURSOR FOR SELECT * FROM users_test_table;
|
||||
FETCH test_cursor;
|
||||
user_id | value_1 | value_2 | value_3
|
||||
---------+---------+---------+---------
|
||||
8 | 0 | 13 | 0
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_2 = 5 WHERE CURRENT OF test_cursor;
|
||||
ERROR: cannot run DML queries with cursors
|
||||
ROLLBACK;
|
||||
-- Stable functions are supported
|
||||
CREATE TABLE test_table_1(id int, date_col timestamptz, col_3 int);
|
||||
INSERT INTO test_table_1 VALUES(1, '2014-04-05 08:32:12', 5);
|
||||
INSERT INTO test_table_1 VALUES(2, '2015-02-01 08:31:16', 7);
|
||||
INSERT INTO test_table_1 VALUES(3, '2011-01-12 08:35:19', 9);
|
||||
SELECT create_distributed_table('test_table_1', 'id');
|
||||
NOTICE: Copying data from local table...
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
SELECT * FROM test_table_1;
|
||||
id | date_col | col_3
|
||||
----+------------------------------+-------
|
||||
1 | Sat Apr 05 08:32:12 2014 PDT | 5
|
||||
3 | Wed Jan 12 08:35:19 2011 PST | 9
|
||||
2 | Sun Feb 01 08:31:16 2015 PST | 7
|
||||
(3 rows)
|
||||
|
||||
UPDATE test_table_1 SET col_3 = 3 WHERE date_col < now();
|
||||
SELECT * FROM test_table_1;
|
||||
id | date_col | col_3
|
||||
----+------------------------------+-------
|
||||
1 | Sat Apr 05 08:32:12 2014 PDT | 3
|
||||
3 | Wed Jan 12 08:35:19 2011 PST | 3
|
||||
2 | Sun Feb 01 08:31:16 2015 PST | 3
|
||||
(3 rows)
|
||||
|
||||
DELETE FROM test_table_1 WHERE date_col < current_timestamp;
|
||||
SELECT * FROM test_table_1;
|
||||
id | date_col | col_3
|
||||
----+----------+-------
|
||||
(0 rows)
|
||||
|
||||
DROP TABLE test_table_1;
|
||||
-- Volatile functions are not supported
|
||||
CREATE TABLE test_table_2(id int, double_col double precision);
|
||||
INSERT INTO test_table_2 VALUES(1, random());
|
||||
INSERT INTO test_table_2 VALUES(2, random());
|
||||
INSERT INTO test_table_2 VALUES(3, random());
|
||||
SELECT create_distributed_table('test_table_2', 'id');
|
||||
NOTICE: Copying data from local table...
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
UPDATE test_table_2 SET double_col = random();
|
||||
ERROR: functions used in UPDATE queries on distributed tables must not be VOLATILE
|
||||
DROP TABLE test_table_2;
|
||||
-- Run multi shard updates and deletes without transaction on reference tables
|
||||
SELECT COUNT(*) FROM users_reference_copy_table;
|
||||
count
|
||||
-------
|
||||
15
|
||||
(1 row)
|
||||
|
||||
UPDATE users_reference_copy_table SET value_1 = 1;
|
||||
SELECT SUM(value_1) FROM users_reference_copy_table;
|
||||
sum
|
||||
-----
|
||||
15
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 52
|
||||
(1 row)
|
||||
|
||||
UPDATE users_reference_copy_table SET value_2 = value_2 + 1 WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 56
|
||||
(1 row)
|
||||
|
||||
UPDATE users_reference_copy_table SET value_3 = 0 WHERE user_id <> 3;
|
||||
SELECT SUM(value_3) FROM users_reference_copy_table WHERE user_id <> 3;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
DELETE FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Do some tests by changing shard replication factor
|
||||
DROP TABLE users_test_table;
|
||||
SET citus.shard_replication_factor to 2;
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
\COPY users_test_table FROM STDIN DELIMITER AS ',';
|
||||
-- Run multi shard updates and deletes without transaction on hash distributed tables
|
||||
UPDATE users_test_table SET value_1 = 1;
|
||||
SELECT COUNT(*), SUM(value_1) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
15 | 15
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 52
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_2 = value_2 + 1 WHERE user_id = 1 or user_id = 3;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 56
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id <> 5;
|
||||
SELECT SUM(value_3) FROM users_test_table WHERE user_id <> 5;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
4
|
||||
(1 row)
|
||||
|
||||
DELETE FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
DROP TABLE users_test_table;
|
||||
DROP TABLE events_test_table;
|
||||
DROP TABLE events_reference_copy_table;
|
||||
DROP TABLE users_reference_copy_table;
|
||||
|
|
@ -0,0 +1,522 @@
|
|||
--
|
||||
-- multi shard update delete
|
||||
-- this file is intended to test multi shard update/delete queries
|
||||
--
|
||||
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1440000;
|
||||
ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 1440000;
|
||||
SET citus.shard_replication_factor to 1;
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
\COPY users_test_table FROM STDIN DELIMITER AS ',';
|
||||
CREATE TABLE events_test_table (user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('events_test_table', 'user_id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
\COPY events_test_table FROM STDIN DELIMITER AS ',';
|
||||
CREATE TABLE events_reference_copy_table (like events_test_table);
|
||||
SELECT create_reference_table('events_reference_copy_table');
|
||||
create_reference_table
|
||||
------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
INSERT INTO events_reference_copy_table SELECT * FROM events_test_table;
|
||||
CREATE TABLE users_reference_copy_table (like users_test_table);
|
||||
SELECT create_reference_table('users_reference_copy_table');
|
||||
create_reference_table
|
||||
------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
INSERT INTO users_reference_copy_table SELECT * FROM users_test_table;
|
||||
-- Run multi shard updates and deletes without transaction on hash distributed tables
|
||||
UPDATE users_test_table SET value_1 = 1;
|
||||
SELECT COUNT(*), SUM(value_1) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
15 | 15
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 52
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_2 = value_2 + 1 WHERE user_id = 1 or user_id = 3;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 56
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id <> 5;
|
||||
SELECT SUM(value_3) FROM users_test_table WHERE user_id <> 5;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
4
|
||||
(1 row)
|
||||
|
||||
DELETE FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Run multi shard update delete queries within transactions
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Update can also be rollbacked
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 1;
|
||||
ROLLBACK;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Run with inserts (we need to set citus.multi_shard_modify_mode to sequential)
|
||||
BEGIN;
|
||||
INSERT INTO users_test_table (user_id, value_3) VALUES(20, 15);
|
||||
INSERT INTO users_test_table (user_id, value_3) VALUES(16,1), (20,16), (7,1), (20,17);
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
UPDATE users_test_table SET value_3 = 1;
|
||||
END;
|
||||
SELECT COUNT()SUM(value_3) FROM users_test_table;
|
||||
ERROR: syntax error at or near "("
|
||||
LINE 1: SELECT COUNT()SUM(value_3) FROM users_test_table;
|
||||
^
|
||||
SET citus.multi_shard_modify_mode to 'sequential';
|
||||
-- Run multiple multi shard updates (with sequential executor)
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 5;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_copy_table;
|
||||
ERROR: relation "users_copy_table" does not exist
|
||||
LINE 1: SELECT SUM(value_3) FROM users_copy_table;
|
||||
^
|
||||
-- Run multiple multi shard updates (with parallel executor)
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
UPDATE users_test_table SET value_3 = 5;
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 2;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Check with kind of constraints
|
||||
UPDATE users_test_table SET value_3 = 1 WHERE user_id = 3 or true;
|
||||
SELECT COUNT(*), SUM(value_3) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
16 | 16
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id = 20 and false;
|
||||
SELECT COUNT(*), SUM(value_3) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
16 | 16
|
||||
(1 row)
|
||||
|
||||
-- Run multi shard updates with prepared statements
|
||||
PREPARE foo_plan(int,int) AS UPDATE users_test_table SET value_1 = $1, value_3 = $2;
|
||||
EXECUTE foo_plan(1,5);
|
||||
EXECUTE foo_plan(3,15);
|
||||
EXECUTE foo_plan(5,25);
|
||||
EXECUTE foo_plan(7,35);
|
||||
EXECUTE foo_plan(9,45);
|
||||
EXECUTE foo_plan(0,0);
|
||||
SELECT SUM(value_1), SUM(value_3) FROM users_test_table;
|
||||
sum | sum
|
||||
-----+-----
|
||||
0 | 0
|
||||
(1 row)
|
||||
|
||||
-- Test on append table (set executor mode to sequential, since with the append
|
||||
-- distributed tables parallel executor may create tons of connections)
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
CREATE TABLE append_stage_table(id int, col_2 int);
|
||||
INSERT INTO append_stage_table VALUES(1,3);
|
||||
INSERT INTO append_stage_table VALUES(3,2);
|
||||
INSERT INTO append_stage_table VALUES(5,4);
|
||||
CREATE TABLE test_append_table(id int, col_2 int);
|
||||
SELECT create_distributed_table('test_append_table','id','append');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
SELECT master_create_empty_shard('test_append_table');
|
||||
master_create_empty_shard
|
||||
---------------------------
|
||||
1440066
|
||||
(1 row)
|
||||
|
||||
SELECT * FROM master_append_table_to_shard(1440066, 'append_stage_table', 'localhost', :master_port);
|
||||
master_append_table_to_shard
|
||||
------------------------------
|
||||
0.0266667
|
||||
(1 row)
|
||||
|
||||
SELECT master_create_empty_shard('test_append_table') AS new_shard_id;
|
||||
new_shard_id
|
||||
--------------
|
||||
1440067
|
||||
(1 row)
|
||||
|
||||
SELECT * FROM master_append_table_to_shard(1440067, 'append_stage_table', 'localhost', :master_port);
|
||||
master_append_table_to_shard
|
||||
------------------------------
|
||||
0.0266667
|
||||
(1 row)
|
||||
|
||||
UPDATE test_append_table SET col_2 = 5;
|
||||
SELECT * FROM test_append_table;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 5
|
||||
3 | 5
|
||||
5 | 5
|
||||
1 | 5
|
||||
3 | 5
|
||||
5 | 5
|
||||
(6 rows)
|
||||
|
||||
DROP TABLE append_stage_table;
|
||||
DROP TABLE test_append_table;
|
||||
-- Update multi shard of partitioned distributed table
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
SET citus.shard_replication_factor to 1;
|
||||
CREATE TABLE tt1(id int, col_2 int) partition by range (col_2);
|
||||
ERROR: syntax error at or near "partition"
|
||||
LINE 1: CREATE TABLE tt1(id int, col_2 int) partition by range (col_...
|
||||
^
|
||||
CREATE TABLE tt1_510 partition of tt1 for VALUES FROM (5) to (10);
|
||||
ERROR: syntax error at or near "partition"
|
||||
LINE 1: CREATE TABLE tt1_510 partition of tt1 for VALUES FROM (5) to...
|
||||
^
|
||||
CREATE TABLE tt1_1120 partition of tt1 for VALUES FROM (11) to (20);
|
||||
ERROR: syntax error at or near "partition"
|
||||
LINE 1: CREATE TABLE tt1_1120 partition of tt1 for VALUES FROM (11) ...
|
||||
^
|
||||
INSERT INTO tt1 VALUES (1,11), (3,15), (5,17), (6,19), (8,17), (2,12);
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: INSERT INTO tt1 VALUES (1,11), (3,15), (5,17), (6,19), (8,17...
|
||||
^
|
||||
SELECT create_distributed_table('tt1','id');
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: SELECT create_distributed_table('tt1','id');
|
||||
^
|
||||
UPDATE tt1 SET col_2 = 13;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: UPDATE tt1 SET col_2 = 13;
|
||||
^
|
||||
DELETE FROM tt1 WHERE id = 1 or id = 3 or id = 5;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: DELETE FROM tt1 WHERE id = 1 or id = 3 or id = 5;
|
||||
^
|
||||
SELECT * FROM tt1;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: SELECT * FROM tt1;
|
||||
^
|
||||
-- Partitioned distributed table within transaction
|
||||
INSERT INTO tt1 VALUES(4,6);
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: INSERT INTO tt1 VALUES(4,6);
|
||||
^
|
||||
INSERT INTO tt1 VALUES(7,7);
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: INSERT INTO tt1 VALUES(7,7);
|
||||
^
|
||||
INSERT INTO tt1 VALUES(9,8);
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: INSERT INTO tt1 VALUES(9,8);
|
||||
^
|
||||
BEGIN;
|
||||
-- Update rows from partititon tt1_1120
|
||||
UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
^
|
||||
-- Update rows from partititon tt1_510
|
||||
UPDATE tt1 SET col_2 = 7 WHERE col_2 < 10 and col_2 > 5;
|
||||
ERROR: current transaction is aborted, commands ignored until end of transaction block
|
||||
COMMIT;
|
||||
SELECT * FROM tt1;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: SELECT * FROM tt1;
|
||||
^
|
||||
-- Modify main table and partition table within same transaction
|
||||
BEGIN;
|
||||
UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
^
|
||||
UPDATE tt1 SET col_2 = 7 WHERE col_2 < 10 and col_2 > 5;
|
||||
ERROR: current transaction is aborted, commands ignored until end of transaction block
|
||||
DELETE FROM tt1_510;
|
||||
ERROR: current transaction is aborted, commands ignored until end of transaction block
|
||||
DELETE FROM tt1_1120;
|
||||
ERROR: current transaction is aborted, commands ignored until end of transaction block
|
||||
COMMIT;
|
||||
SELECT * FROM tt1;
|
||||
ERROR: relation "tt1" does not exist
|
||||
LINE 1: SELECT * FROM tt1;
|
||||
^
|
||||
DROP TABLE tt1;
|
||||
ERROR: table "tt1" does not exist
|
||||
-- Update and copy in the same transaction
|
||||
CREATE TABLE tt2(id int, col_2 int);
|
||||
SELECT create_distributed_table('tt2','id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
BEGIN;
|
||||
\COPY tt2 FROM STDIN DELIMITER AS ',';
|
||||
UPDATE tt2 SET col_2 = 1;
|
||||
COMMIT;
|
||||
SELECT * FROM tt2;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 1
|
||||
7 | 1
|
||||
3 | 1
|
||||
2 | 1
|
||||
9 | 1
|
||||
(5 rows)
|
||||
|
||||
-- Test returning with both type of executors
|
||||
UPDATE tt2 SET col_2 = 5 RETURNING id, col_2;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 5
|
||||
7 | 5
|
||||
3 | 5
|
||||
2 | 5
|
||||
9 | 5
|
||||
(5 rows)
|
||||
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
UPDATE tt2 SET col_2 = 3 RETURNING id, col_2;
|
||||
id | col_2
|
||||
----+-------
|
||||
1 | 3
|
||||
7 | 3
|
||||
3 | 3
|
||||
2 | 3
|
||||
9 | 3
|
||||
(5 rows)
|
||||
|
||||
DROP TABLE tt2;
|
||||
-- Multiple RTEs are not supported
|
||||
SET citus.multi_shard_modify_mode to DEFAULT;
|
||||
UPDATE users_test_table SET value_2 = 5 FROM events_test_table WHERE users_test_table.user_id = events_test_table.user_id;
|
||||
ERROR: cannot perform distributed planning for the given modification
|
||||
DETAIL: Joins are not supported in distributed modifications.
|
||||
UPDATE users_test_table SET value_2 = (SELECT value_3 FROM users_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
UPDATE users_test_table SET value_2 = (SELECT value_2 FROM events_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
DELETE FROM users_test_table USING events_test_table WHERE users_test_table.user_id = events_test_table.user_id;
|
||||
ERROR: cannot perform distributed planning for the given modification
|
||||
DETAIL: Joins are not supported in distributed modifications.
|
||||
DELETE FROM users_test_table WHERE users_test_table.user_id = (SELECT user_id FROM events_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
DELETE FROM users_test_table WHERE users_test_table.user_id = (SELECT value_1 FROM users_test_table);
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "user_id" to target a single shard.
|
||||
-- Cursors are not supported
|
||||
BEGIN;
|
||||
DECLARE test_cursor CURSOR FOR SELECT * FROM users_test_table;
|
||||
FETCH test_cursor;
|
||||
user_id | value_1 | value_2 | value_3
|
||||
---------+---------+---------+---------
|
||||
8 | 0 | 13 | 0
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_2 = 5 WHERE CURRENT OF test_cursor;
|
||||
ERROR: cannot run DML queries with cursors
|
||||
ROLLBACK;
|
||||
-- Stable functions are supported
|
||||
CREATE TABLE test_table_1(id int, date_col timestamptz, col_3 int);
|
||||
INSERT INTO test_table_1 VALUES(1, '2014-04-05 08:32:12', 5);
|
||||
INSERT INTO test_table_1 VALUES(2, '2015-02-01 08:31:16', 7);
|
||||
INSERT INTO test_table_1 VALUES(3, '2011-01-12 08:35:19', 9);
|
||||
SELECT create_distributed_table('test_table_1', 'id');
|
||||
NOTICE: Copying data from local table...
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
SELECT * FROM test_table_1;
|
||||
id | date_col | col_3
|
||||
----+------------------------------+-------
|
||||
1 | Sat Apr 05 08:32:12 2014 PDT | 5
|
||||
3 | Wed Jan 12 08:35:19 2011 PST | 9
|
||||
2 | Sun Feb 01 08:31:16 2015 PST | 7
|
||||
(3 rows)
|
||||
|
||||
UPDATE test_table_1 SET col_3 = 3 WHERE date_col < now();
|
||||
SELECT * FROM test_table_1;
|
||||
id | date_col | col_3
|
||||
----+------------------------------+-------
|
||||
1 | Sat Apr 05 08:32:12 2014 PDT | 3
|
||||
3 | Wed Jan 12 08:35:19 2011 PST | 3
|
||||
2 | Sun Feb 01 08:31:16 2015 PST | 3
|
||||
(3 rows)
|
||||
|
||||
DELETE FROM test_table_1 WHERE date_col < current_timestamp;
|
||||
SELECT * FROM test_table_1;
|
||||
id | date_col | col_3
|
||||
----+----------+-------
|
||||
(0 rows)
|
||||
|
||||
DROP TABLE test_table_1;
|
||||
-- Volatile functions are not supported
|
||||
CREATE TABLE test_table_2(id int, double_col double precision);
|
||||
INSERT INTO test_table_2 VALUES(1, random());
|
||||
INSERT INTO test_table_2 VALUES(2, random());
|
||||
INSERT INTO test_table_2 VALUES(3, random());
|
||||
SELECT create_distributed_table('test_table_2', 'id');
|
||||
NOTICE: Copying data from local table...
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
UPDATE test_table_2 SET double_col = random();
|
||||
ERROR: functions used in UPDATE queries on distributed tables must not be VOLATILE
|
||||
DROP TABLE test_table_2;
|
||||
-- Run multi shard updates and deletes without transaction on reference tables
|
||||
SELECT COUNT(*) FROM users_reference_copy_table;
|
||||
count
|
||||
-------
|
||||
15
|
||||
(1 row)
|
||||
|
||||
UPDATE users_reference_copy_table SET value_1 = 1;
|
||||
SELECT SUM(value_1) FROM users_reference_copy_table;
|
||||
sum
|
||||
-----
|
||||
15
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 52
|
||||
(1 row)
|
||||
|
||||
UPDATE users_reference_copy_table SET value_2 = value_2 + 1 WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 56
|
||||
(1 row)
|
||||
|
||||
UPDATE users_reference_copy_table SET value_3 = 0 WHERE user_id <> 3;
|
||||
SELECT SUM(value_3) FROM users_reference_copy_table WHERE user_id <> 3;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
DELETE FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
-- Do some tests by changing shard replication factor
|
||||
DROP TABLE users_test_table;
|
||||
SET citus.shard_replication_factor to 2;
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
create_distributed_table
|
||||
--------------------------
|
||||
|
||||
(1 row)
|
||||
|
||||
\COPY users_test_table FROM STDIN DELIMITER AS ',';
|
||||
-- Run multi shard updates and deletes without transaction on hash distributed tables
|
||||
UPDATE users_test_table SET value_1 = 1;
|
||||
SELECT COUNT(*), SUM(value_1) FROM users_test_table;
|
||||
count | sum
|
||||
-------+-----
|
||||
15 | 15
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 52
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_2 = value_2 + 1 WHERE user_id = 1 or user_id = 3;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
count | sum
|
||||
-------+-----
|
||||
4 | 56
|
||||
(1 row)
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id <> 5;
|
||||
SELECT SUM(value_3) FROM users_test_table WHERE user_id <> 5;
|
||||
sum
|
||||
-----
|
||||
0
|
||||
(1 row)
|
||||
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
4
|
||||
(1 row)
|
||||
|
||||
DELETE FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
count
|
||||
-------
|
||||
0
|
||||
(1 row)
|
||||
|
||||
DROP TABLE users_test_table;
|
||||
DROP TABLE events_test_table;
|
||||
DROP TABLE events_reference_copy_table;
|
||||
DROP TABLE users_reference_copy_table;
|
||||
|
|
@ -255,8 +255,8 @@ INSERT INTO dropcol_distributed AS dropcol (key, keep1) VALUES (1, '5') ON CONFL
|
|||
-- subquery in the SET clause
|
||||
INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key) DO
|
||||
UPDATE SET other_col = (SELECT count(*) from upsert_test);
|
||||
ERROR: cannot perform distributed planning for the given modifications
|
||||
DETAIL: Subqueries are not supported in distributed modifications.
|
||||
ERROR: subqueries are not supported in modifications across multiple shards
|
||||
DETAIL: Consider using an equality filter on partition column "part_key" to target a single shard.
|
||||
-- non mutable function call in the SET
|
||||
INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key) DO
|
||||
UPDATE SET other_col = random()::int;
|
||||
|
|
|
|||
|
|
@ -27,8 +27,6 @@ SELECT master_create_distributed_table('customer_delete_protocol', 'c_custkey',
|
|||
|
||||
SELECT master_apply_delete_command('DELETE FROM customer_delete_protocol
|
||||
WHERE c_acctbal > 0.0');
|
||||
-- Check that free-form deletes are not supported.
|
||||
DELETE FROM customer_delete_protocol WHERE c_custkey > 100;
|
||||
-- Check that we delete a shard if and only if all rows in the shard satisfy the condition.
|
||||
SELECT master_apply_delete_command('DELETE FROM customer_delete_protocol
|
||||
WHERE c_custkey > 6500');
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@ test: isolation_distributed_deadlock_detection
|
|||
# writes, run this test serially.
|
||||
test: isolation_create_restore_point
|
||||
|
||||
test: isolation_multi_shard_modify_vs_all
|
||||
test: isolation_hash_copy_vs_all
|
||||
test: isolation_append_copy_vs_all
|
||||
test: isolation_range_copy_vs_all
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ test: multi_load_data
|
|||
test: multi_behavioral_analytics_create_table
|
||||
test: multi_behavioral_analytics_basics multi_behavioral_analytics_single_shard_queries multi_insert_select_non_pushable_queries
|
||||
test: multi_insert_select multi_insert_select_window
|
||||
test: multi_shard_update_delete
|
||||
|
||||
# ---
|
||||
# Tests for partitioning support
|
||||
|
|
|
|||
|
|
@ -27,10 +27,6 @@ SELECT master_apply_delete_command('DELETE FROM customer_delete_protocol
|
|||
WHERE c_acctbal > 0.0');
|
||||
ERROR: cannot delete from distributed table
|
||||
DETAIL: Where clause includes a column other than partition column
|
||||
-- Check that free-form deletes are not supported.
|
||||
DELETE FROM customer_delete_protocol WHERE c_custkey > 100;
|
||||
ERROR: cannot run DELETE command which targets multiple shards
|
||||
HINT: Consider using an equality filter on partition column "c_custkey" to target a single shard. If you'd like to run a multi-shard operation, use master_modify_multiple_shards().
|
||||
-- Check that we delete a shard if and only if all rows in the shard satisfy the condition.
|
||||
SELECT master_apply_delete_command('DELETE FROM customer_delete_protocol
|
||||
WHERE c_custkey > 6500');
|
||||
|
|
|
|||
|
|
@ -0,0 +1,128 @@
|
|||
setup
|
||||
{
|
||||
SELECT citus.replace_isolation_tester_func();
|
||||
SELECT citus.refresh_isolation_tester_prepared_statement();
|
||||
|
||||
SET citus.shard_replication_factor to 1;
|
||||
SET citus.shard_count to 32;
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
INSERT INTO users_test_table VALUES
|
||||
(1, 5, 6, 7),
|
||||
(2, 12, 7, 18),
|
||||
(3, 23, 8, 25),
|
||||
(4, 42, 9, 23),
|
||||
(5, 35, 10, 17),
|
||||
(6, 21, 11, 25),
|
||||
(7, 27, 12, 18);
|
||||
|
||||
CREATE TABLE events_test_table (user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('events_test_table', 'user_id');
|
||||
INSERT INTO events_test_table VALUES
|
||||
(1, 5, 7, 7),
|
||||
(3, 11, 78, 18),
|
||||
(5, 22, 9, 25),
|
||||
(7, 41, 10, 23),
|
||||
(1, 20, 12, 25),
|
||||
(3, 26, 13, 18),
|
||||
(5, 17, 14, 4);
|
||||
}
|
||||
|
||||
teardown
|
||||
{
|
||||
DROP TABLE users_test_table;
|
||||
DROP TABLE events_test_table;
|
||||
SELECT citus.restore_isolation_tester_func();
|
||||
SET citus.shard_count to 4;
|
||||
}
|
||||
|
||||
session "s1"
|
||||
|
||||
step "s1-begin"
|
||||
{
|
||||
BEGIN;
|
||||
}
|
||||
|
||||
step "s1-change_connection_mode_to_sequential"
|
||||
{
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
}
|
||||
|
||||
step "s1-update_all_value_1"
|
||||
{
|
||||
UPDATE users_test_table SET value_1 = 3;
|
||||
}
|
||||
|
||||
step "s1-update_value_1_of_1_or_3"
|
||||
{
|
||||
UPDATE users_test_table SET value_1 = 5 WHERE user_id = 1 or user_id = 3;
|
||||
}
|
||||
|
||||
step "s1-commit"
|
||||
{
|
||||
COMMIT;
|
||||
}
|
||||
|
||||
session "s2"
|
||||
|
||||
step "s2-begin"
|
||||
{
|
||||
BEGIN;
|
||||
}
|
||||
|
||||
step "s2-change_connection_mode_to_sequential"
|
||||
{
|
||||
set citus.multi_shard_modify_mode to 'sequential';
|
||||
}
|
||||
|
||||
step "s2-select"
|
||||
{
|
||||
SELECT * FROM users_test_table ORDER BY value_2;
|
||||
}
|
||||
|
||||
step "s2-insert-to-table"
|
||||
{
|
||||
INSERT INTO users_test_table VALUES (1,2,3,4);
|
||||
}
|
||||
|
||||
step "s2-insert-into-select"
|
||||
{
|
||||
INSERT INTO users_test_table SELECT * FROM events_test_table;
|
||||
}
|
||||
|
||||
step "s2-update_all_value_1"
|
||||
{
|
||||
UPDATE users_test_table SET value_1 = 6;
|
||||
}
|
||||
|
||||
step "s2-update_value_1_of_1_or_3"
|
||||
{
|
||||
UPDATE users_test_table SET value_1 = 8 WHERE user_id = 1 or user_id = 3;
|
||||
}
|
||||
|
||||
step "s2-update_value_1_of_4_or_6"
|
||||
{
|
||||
UPDATE users_test_table SET value_1 = 4 WHERE user_id = 4 or user_id = 6;
|
||||
}
|
||||
|
||||
step "s2-commit"
|
||||
{
|
||||
COMMIT;
|
||||
}
|
||||
|
||||
# test with parallel connections
|
||||
permutation "s1-begin" "s1-update_all_value_1" "s2-begin" "s2-select" "s1-commit" "s2-select" "s2-commit"
|
||||
permutation "s1-begin" "s1-update_all_value_1" "s2-begin" "s2-update_all_value_1" "s1-commit" "s2-commit"
|
||||
permutation "s1-begin" "s1-update_value_1_of_1_or_3" "s2-begin" "s2-update_value_1_of_4_or_6" "s1-commit" "s2-commit" "s2-select"
|
||||
permutation "s1-begin" "s1-update_value_1_of_1_or_3" "s2-begin" "s2-update_value_1_of_1_or_3" "s1-commit" "s2-commit" "s2-select"
|
||||
permutation "s1-begin" "s1-update_all_value_1" "s2-begin" "s2-insert-to-table" "s1-commit" "s2-commit" "s2-select"
|
||||
permutation "s1-begin" "s1-update_all_value_1" "s2-begin" "s2-insert-into-select" "s1-commit" "s2-commit" "s2-select"
|
||||
|
||||
# test with sequential connections, sequential tests should not block each other
|
||||
# if they are targeting different shards. If multiple connections updating the same
|
||||
# row, second one must wait for the first one.
|
||||
permutation "s1-begin" "s1-change_connection_mode_to_sequential" "s1-update_all_value_1" "s2-begin" "s2-change_connection_mode_to_sequential" "s2-update_all_value_1" "s1-commit" "s2-commit" "s2-select"
|
||||
permutation "s1-begin" "s1-change_connection_mode_to_sequential" "s1-update_value_1_of_1_or_3" "s2-begin" "s2-change_connection_mode_to_sequential" "s2-update_value_1_of_1_or_3" "s1-commit" "s2-commit" "s2-select"
|
||||
permutation "s1-begin" "s1-change_connection_mode_to_sequential" "s1-update_value_1_of_1_or_3" "s2-begin" "s2-change_connection_mode_to_sequential" "s2-update_value_1_of_4_or_6" "s1-commit" "s2-commit" "s2-select"
|
||||
|
|
@ -368,6 +368,20 @@ SELECT true AS valid FROM explain_xml($$
|
|||
SELECT true AS valid FROM explain_json($$
|
||||
SELECT avg(l_linenumber) FROM lineitem WHERE l_orderkey > 9030$$);
|
||||
|
||||
-- Test multi shard update
|
||||
EXPLAIN (COSTS FALSE)
|
||||
UPDATE lineitem_hash_part
|
||||
SET l_suppkey = 12;
|
||||
|
||||
EXPLAIN (COSTS FALSE)
|
||||
UPDATE lineitem_hash_part
|
||||
SET l_suppkey = 12
|
||||
WHERE l_orderkey = 1 OR l_orderkey = 3;
|
||||
|
||||
-- Test multi shard delete
|
||||
EXPLAIN (COSTS FALSE)
|
||||
DELETE FROM lineitem_hash_part;
|
||||
|
||||
-- Test track tracker
|
||||
SET citus.task_executor_type TO 'task-tracker';
|
||||
SET citus.explain_all_tasks TO off;
|
||||
|
|
|
|||
|
|
@ -194,9 +194,6 @@ SELECT COUNT(*) FROM limit_orders WHERE id = 246;
|
|||
DELETE FROM limit_orders WHERE id = (2 * 123);
|
||||
SELECT COUNT(*) FROM limit_orders WHERE id = 246;
|
||||
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
DELETE FROM limit_orders WHERE bidder_id = 162;
|
||||
|
||||
-- commands with a USING clause are unsupported
|
||||
CREATE TABLE bidders ( name text, id bigint );
|
||||
DELETE FROM limit_orders USING bidders WHERE limit_orders.id = 246 AND
|
||||
|
|
@ -207,9 +204,6 @@ DELETE FROM limit_orders USING bidders WHERE limit_orders.id = 246 AND
|
|||
WITH deleted_orders AS (INSERT INTO limit_orders DEFAULT VALUES RETURNING *)
|
||||
DELETE FROM limit_orders;
|
||||
|
||||
-- cursors are not supported
|
||||
DELETE FROM limit_orders WHERE CURRENT OF cursor_name;
|
||||
|
||||
INSERT INTO limit_orders VALUES (246, 'TSLA', 162, '2007-07-02 16:32:15', 'sell', 20.69);
|
||||
|
||||
-- simple UPDATE
|
||||
|
|
@ -298,9 +292,6 @@ ALTER TABLE renamed_orders RENAME TO limit_orders_750000;
|
|||
-- Third: Connect back to master node
|
||||
\c - - - :master_port
|
||||
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
UPDATE limit_orders SET limit_price = 0.00;
|
||||
|
||||
-- attempting to change the partition key is unsupported
|
||||
UPDATE limit_orders SET id = 0 WHERE id = 246;
|
||||
UPDATE limit_orders SET id = 0 WHERE id = 0 OR id = 246;
|
||||
|
|
@ -382,9 +373,6 @@ ALTER TABLE limit_orders DROP array_of_values;
|
|||
-- even in RETURNING
|
||||
UPDATE limit_orders SET placed_at = placed_at WHERE id = 246 RETURNING NOW();
|
||||
|
||||
-- cursors are not supported
|
||||
UPDATE limit_orders SET symbol = 'GM' WHERE CURRENT OF cursor_name;
|
||||
|
||||
-- check that multi-row UPDATE/DELETEs with RETURNING work
|
||||
INSERT INTO multiple_hash VALUES ('0', '1');
|
||||
INSERT INTO multiple_hash VALUES ('0', '2');
|
||||
|
|
|
|||
|
|
@ -106,7 +106,7 @@ SELECT COUNT(*) FROM limit_orders_mx WHERE id = 246;
|
|||
DELETE FROM limit_orders_mx WHERE id = (2 * 123);
|
||||
SELECT COUNT(*) FROM limit_orders_mx WHERE id = 246;
|
||||
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
-- multi shard delete is supported
|
||||
DELETE FROM limit_orders_mx WHERE bidder_id = 162;
|
||||
|
||||
-- commands with a USING clause are unsupported
|
||||
|
|
@ -149,7 +149,7 @@ UPDATE limit_orders_mx SET (kind, limit_price) = ('buy', 999) WHERE id = 246 RET
|
|||
INSERT INTO limit_orders_mx VALUES (275, 'ADR', 140, '2007-07-02 16:32:15', 'sell', 43.67);
|
||||
INSERT INTO limit_orders_mx VALUES (275, 'ADR', 140, '2007-07-02 16:32:15', 'sell', 43.67);
|
||||
|
||||
-- commands with no constraints on the partition key are not supported
|
||||
-- multi shard update is supported
|
||||
UPDATE limit_orders_mx SET limit_price = 0.00;
|
||||
|
||||
-- attempting to change the partition key is unsupported
|
||||
|
|
|
|||
|
|
@ -0,0 +1,307 @@
|
|||
--
|
||||
-- multi shard update delete
|
||||
-- this file is intended to test multi shard update/delete queries
|
||||
--
|
||||
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1440000;
|
||||
ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 1440000;
|
||||
|
||||
SET citus.shard_replication_factor to 1;
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
\COPY users_test_table FROM STDIN DELIMITER AS ',';
|
||||
1, 5, 6, 7
|
||||
2, 12, 7, 18
|
||||
3, 23, 8, 25
|
||||
4, 42, 9, 23
|
||||
5, 35, 10, 21
|
||||
6, 21, 11, 25
|
||||
7, 27, 12, 18
|
||||
8, 18, 13, 4
|
||||
7, 38, 14, 22
|
||||
6, 43, 15, 22
|
||||
5, 61, 16, 17
|
||||
4, 6, 17, 8
|
||||
3, 16, 18, 44
|
||||
2, 25, 19, 38
|
||||
1, 55, 20, 17
|
||||
\.
|
||||
|
||||
CREATE TABLE events_test_table (user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('events_test_table', 'user_id');
|
||||
\COPY events_test_table FROM STDIN DELIMITER AS ',';
|
||||
1, 5, 7, 7
|
||||
3, 11, 78, 18
|
||||
5, 22, 9, 25
|
||||
7, 41, 10, 23
|
||||
9, 34, 11, 21
|
||||
1, 20, 12, 25
|
||||
3, 26, 13, 18
|
||||
5, 17, 14, 4
|
||||
7, 37, 15, 22
|
||||
9, 42, 16, 22
|
||||
1, 60, 17, 17
|
||||
3, 5, 18, 8
|
||||
5, 15, 19, 44
|
||||
7, 24, 20, 38
|
||||
9, 54, 21, 17
|
||||
\.
|
||||
|
||||
CREATE TABLE events_reference_copy_table (like events_test_table);
|
||||
SELECT create_reference_table('events_reference_copy_table');
|
||||
INSERT INTO events_reference_copy_table SELECT * FROM events_test_table;
|
||||
|
||||
CREATE TABLE users_reference_copy_table (like users_test_table);
|
||||
SELECT create_reference_table('users_reference_copy_table');
|
||||
INSERT INTO users_reference_copy_table SELECT * FROM users_test_table;
|
||||
|
||||
-- Run multi shard updates and deletes without transaction on hash distributed tables
|
||||
UPDATE users_test_table SET value_1 = 1;
|
||||
SELECT COUNT(*), SUM(value_1) FROM users_test_table;
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
UPDATE users_test_table SET value_2 = value_2 + 1 WHERE user_id = 1 or user_id = 3;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id <> 5;
|
||||
SELECT SUM(value_3) FROM users_test_table WHERE user_id <> 5;
|
||||
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
DELETE FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
|
||||
-- Run multi shard update delete queries within transactions
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
|
||||
-- Update can also be rollbacked
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 1;
|
||||
ROLLBACK;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
|
||||
-- Run with inserts (we need to set citus.multi_shard_modify_mode to sequential)
|
||||
BEGIN;
|
||||
INSERT INTO users_test_table (user_id, value_3) VALUES(20, 15);
|
||||
INSERT INTO users_test_table (user_id, value_3) VALUES(16,1), (20,16), (7,1), (20,17);
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
UPDATE users_test_table SET value_3 = 1;
|
||||
END;
|
||||
SELECT COUNT()SUM(value_3) FROM users_test_table;
|
||||
|
||||
SET citus.multi_shard_modify_mode to 'sequential';
|
||||
-- Run multiple multi shard updates (with sequential executor)
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 5;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_copy_table;
|
||||
|
||||
-- Run multiple multi shard updates (with parallel executor)
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
UPDATE users_test_table SET value_3 = 5;
|
||||
BEGIN;
|
||||
UPDATE users_test_table SET value_3 = 2;
|
||||
UPDATE users_test_table SET value_3 = 0;
|
||||
END;
|
||||
SELECT SUM(value_3) FROM users_test_table;
|
||||
|
||||
-- Check with kind of constraints
|
||||
UPDATE users_test_table SET value_3 = 1 WHERE user_id = 3 or true;
|
||||
SELECT COUNT(*), SUM(value_3) FROM users_test_table;
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id = 20 and false;
|
||||
SELECT COUNT(*), SUM(value_3) FROM users_test_table;
|
||||
|
||||
-- Run multi shard updates with prepared statements
|
||||
PREPARE foo_plan(int,int) AS UPDATE users_test_table SET value_1 = $1, value_3 = $2;
|
||||
|
||||
EXECUTE foo_plan(1,5);
|
||||
EXECUTE foo_plan(3,15);
|
||||
EXECUTE foo_plan(5,25);
|
||||
EXECUTE foo_plan(7,35);
|
||||
EXECUTE foo_plan(9,45);
|
||||
EXECUTE foo_plan(0,0);
|
||||
|
||||
SELECT SUM(value_1), SUM(value_3) FROM users_test_table;
|
||||
|
||||
-- Test on append table (set executor mode to sequential, since with the append
|
||||
-- distributed tables parallel executor may create tons of connections)
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
CREATE TABLE append_stage_table(id int, col_2 int);
|
||||
INSERT INTO append_stage_table VALUES(1,3);
|
||||
INSERT INTO append_stage_table VALUES(3,2);
|
||||
INSERT INTO append_stage_table VALUES(5,4);
|
||||
|
||||
CREATE TABLE test_append_table(id int, col_2 int);
|
||||
SELECT create_distributed_table('test_append_table','id','append');
|
||||
SELECT master_create_empty_shard('test_append_table');
|
||||
SELECT * FROM master_append_table_to_shard(1440066, 'append_stage_table', 'localhost', :master_port);
|
||||
SELECT master_create_empty_shard('test_append_table') AS new_shard_id;
|
||||
SELECT * FROM master_append_table_to_shard(1440067, 'append_stage_table', 'localhost', :master_port);
|
||||
UPDATE test_append_table SET col_2 = 5;
|
||||
SELECT * FROM test_append_table;
|
||||
|
||||
DROP TABLE append_stage_table;
|
||||
DROP TABLE test_append_table;
|
||||
|
||||
-- Update multi shard of partitioned distributed table
|
||||
SET citus.multi_shard_modify_mode to 'parallel';
|
||||
SET citus.shard_replication_factor to 1;
|
||||
CREATE TABLE tt1(id int, col_2 int) partition by range (col_2);
|
||||
CREATE TABLE tt1_510 partition of tt1 for VALUES FROM (5) to (10);
|
||||
CREATE TABLE tt1_1120 partition of tt1 for VALUES FROM (11) to (20);
|
||||
INSERT INTO tt1 VALUES (1,11), (3,15), (5,17), (6,19), (8,17), (2,12);
|
||||
SELECT create_distributed_table('tt1','id');
|
||||
UPDATE tt1 SET col_2 = 13;
|
||||
DELETE FROM tt1 WHERE id = 1 or id = 3 or id = 5;
|
||||
SELECT * FROM tt1;
|
||||
|
||||
-- Partitioned distributed table within transaction
|
||||
INSERT INTO tt1 VALUES(4,6);
|
||||
INSERT INTO tt1 VALUES(7,7);
|
||||
INSERT INTO tt1 VALUES(9,8);
|
||||
BEGIN;
|
||||
-- Update rows from partititon tt1_1120
|
||||
UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
-- Update rows from partititon tt1_510
|
||||
UPDATE tt1 SET col_2 = 7 WHERE col_2 < 10 and col_2 > 5;
|
||||
COMMIT;
|
||||
SELECT * FROM tt1;
|
||||
|
||||
-- Modify main table and partition table within same transaction
|
||||
BEGIN;
|
||||
UPDATE tt1 SET col_2 = 12 WHERE col_2 > 10 and col_2 < 20;
|
||||
UPDATE tt1 SET col_2 = 7 WHERE col_2 < 10 and col_2 > 5;
|
||||
DELETE FROM tt1_510;
|
||||
DELETE FROM tt1_1120;
|
||||
COMMIT;
|
||||
SELECT * FROM tt1;
|
||||
DROP TABLE tt1;
|
||||
|
||||
-- Update and copy in the same transaction
|
||||
CREATE TABLE tt2(id int, col_2 int);
|
||||
SELECT create_distributed_table('tt2','id');
|
||||
|
||||
BEGIN;
|
||||
\COPY tt2 FROM STDIN DELIMITER AS ',';
|
||||
1, 10
|
||||
3, 15
|
||||
7, 14
|
||||
9, 75
|
||||
2, 42
|
||||
\.
|
||||
UPDATE tt2 SET col_2 = 1;
|
||||
COMMIT;
|
||||
SELECT * FROM tt2;
|
||||
|
||||
-- Test returning with both type of executors
|
||||
UPDATE tt2 SET col_2 = 5 RETURNING id, col_2;
|
||||
SET citus.multi_shard_modify_mode to sequential;
|
||||
UPDATE tt2 SET col_2 = 3 RETURNING id, col_2;
|
||||
DROP TABLE tt2;
|
||||
|
||||
-- Multiple RTEs are not supported
|
||||
SET citus.multi_shard_modify_mode to DEFAULT;
|
||||
UPDATE users_test_table SET value_2 = 5 FROM events_test_table WHERE users_test_table.user_id = events_test_table.user_id;
|
||||
UPDATE users_test_table SET value_2 = (SELECT value_3 FROM users_test_table);
|
||||
UPDATE users_test_table SET value_2 = (SELECT value_2 FROM events_test_table);
|
||||
|
||||
DELETE FROM users_test_table USING events_test_table WHERE users_test_table.user_id = events_test_table.user_id;
|
||||
DELETE FROM users_test_table WHERE users_test_table.user_id = (SELECT user_id FROM events_test_table);
|
||||
DELETE FROM users_test_table WHERE users_test_table.user_id = (SELECT value_1 FROM users_test_table);
|
||||
|
||||
-- Cursors are not supported
|
||||
BEGIN;
|
||||
DECLARE test_cursor CURSOR FOR SELECT * FROM users_test_table;
|
||||
FETCH test_cursor;
|
||||
UPDATE users_test_table SET value_2 = 5 WHERE CURRENT OF test_cursor;
|
||||
ROLLBACK;
|
||||
|
||||
-- Stable functions are supported
|
||||
CREATE TABLE test_table_1(id int, date_col timestamptz, col_3 int);
|
||||
INSERT INTO test_table_1 VALUES(1, '2014-04-05 08:32:12', 5);
|
||||
INSERT INTO test_table_1 VALUES(2, '2015-02-01 08:31:16', 7);
|
||||
INSERT INTO test_table_1 VALUES(3, '2011-01-12 08:35:19', 9);
|
||||
SELECT create_distributed_table('test_table_1', 'id');
|
||||
|
||||
SELECT * FROM test_table_1;
|
||||
UPDATE test_table_1 SET col_3 = 3 WHERE date_col < now();
|
||||
SELECT * FROM test_table_1;
|
||||
DELETE FROM test_table_1 WHERE date_col < current_timestamp;
|
||||
SELECT * FROM test_table_1;
|
||||
|
||||
DROP TABLE test_table_1;
|
||||
|
||||
-- Volatile functions are not supported
|
||||
CREATE TABLE test_table_2(id int, double_col double precision);
|
||||
INSERT INTO test_table_2 VALUES(1, random());
|
||||
INSERT INTO test_table_2 VALUES(2, random());
|
||||
INSERT INTO test_table_2 VALUES(3, random());
|
||||
SELECT create_distributed_table('test_table_2', 'id');
|
||||
|
||||
UPDATE test_table_2 SET double_col = random();
|
||||
|
||||
DROP TABLE test_table_2;
|
||||
|
||||
-- Run multi shard updates and deletes without transaction on reference tables
|
||||
SELECT COUNT(*) FROM users_reference_copy_table;
|
||||
UPDATE users_reference_copy_table SET value_1 = 1;
|
||||
SELECT SUM(value_1) FROM users_reference_copy_table;
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
UPDATE users_reference_copy_table SET value_2 = value_2 + 1 WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
|
||||
UPDATE users_reference_copy_table SET value_3 = 0 WHERE user_id <> 3;
|
||||
SELECT SUM(value_3) FROM users_reference_copy_table WHERE user_id <> 3;
|
||||
|
||||
DELETE FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_reference_copy_table WHERE user_id = 3 or user_id = 5;
|
||||
|
||||
-- Do some tests by changing shard replication factor
|
||||
DROP TABLE users_test_table;
|
||||
|
||||
SET citus.shard_replication_factor to 2;
|
||||
|
||||
CREATE TABLE users_test_table(user_id int, value_1 int, value_2 int, value_3 int);
|
||||
SELECT create_distributed_table('users_test_table', 'user_id');
|
||||
\COPY users_test_table FROM STDIN DELIMITER AS ',';
|
||||
1, 5, 6, 7
|
||||
2, 12, 7, 18
|
||||
3, 23, 8, 25
|
||||
4, 42, 9, 23
|
||||
5, 35, 10, 21
|
||||
6, 21, 11, 25
|
||||
7, 27, 12, 18
|
||||
8, 18, 13, 4
|
||||
7, 38, 14, 22
|
||||
6, 43, 15, 22
|
||||
5, 61, 16, 17
|
||||
4, 6, 17, 8
|
||||
3, 16, 18, 44
|
||||
2, 25, 19, 38
|
||||
1, 55, 20, 17
|
||||
\.
|
||||
|
||||
-- Run multi shard updates and deletes without transaction on hash distributed tables
|
||||
UPDATE users_test_table SET value_1 = 1;
|
||||
SELECT COUNT(*), SUM(value_1) FROM users_test_table;
|
||||
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
UPDATE users_test_table SET value_2 = value_2 + 1 WHERE user_id = 1 or user_id = 3;
|
||||
SELECT COUNT(*), SUM(value_2) FROM users_test_table WHERE user_id = 1 or user_id = 3;
|
||||
|
||||
UPDATE users_test_table SET value_3 = 0 WHERE user_id <> 5;
|
||||
SELECT SUM(value_3) FROM users_test_table WHERE user_id <> 5;
|
||||
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
DELETE FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
SELECT COUNT(*) FROM users_test_table WHERE user_id = 3 or user_id = 5;
|
||||
|
||||
DROP TABLE users_test_table;
|
||||
DROP TABLE events_test_table;
|
||||
DROP TABLE events_reference_copy_table;
|
||||
DROP TABLE users_reference_copy_table;
|
||||
Loading…
Reference in New Issue