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Merge pull request #3553 from citusdata/refactor/begin_scan 

Refactor CitusBeginScan into separate SELECT / DML paths
pull/3564/head
Marco Slot 2020-03-05 13:06:10 +01:00 committed by GitHub
parent 268ad741a9 f72916875f
commit 241c186603
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 4465 additions and 240 deletions
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2
src/backend/distributed/executor/adaptive_executor.c
View File

@ -3185,7 +3185,7 @@ StartPlacementExecutionOnSession(TaskPlacementExecution *placementExecution,
session->currentTask = placementExecution; session->currentTask = placementExecution;
placementExecution->executionState = PLACEMENT_EXECUTION_RUNNING; placementExecution->executionState = PLACEMENT_EXECUTION_RUNNING;
if (paramListInfo != NULL) if (paramListInfo != NULL && !task->parametersInQueryStringResolved)
{ {
int parameterCount = paramListInfo->numParams; int parameterCount = paramListInfo->numParams;
Oid *parameterTypes = NULL; Oid *parameterTypes = NULL;

422
src/backend/distributed/executor/citus_custom_scan.c
View File

@ -16,6 +16,7 @@
#include "distributed/citus_clauses.h" #include "distributed/citus_clauses.h"
#include "distributed/citus_custom_scan.h" #include "distributed/citus_custom_scan.h"
#include "distributed/citus_nodefuncs.h" #include "distributed/citus_nodefuncs.h"
#include "distributed/citus_ruleutils.h"
#include "distributed/deparse_shard_query.h" #include "distributed/deparse_shard_query.h"
#include "distributed/distributed_execution_locks.h" #include "distributed/distributed_execution_locks.h"
#include "distributed/insert_select_executor.h" #include "distributed/insert_select_executor.h"
@ -48,17 +49,17 @@ static Node * DelayedErrorCreateScan(CustomScan *scan);
/* functions that are common to different scans */ /* functions that are common to different scans */
static void CitusBeginScan(CustomScanState *node, EState *estate, int eflags); static void CitusBeginScan(CustomScanState *node, EState *estate, int eflags);
static void CitusBeginScanWithCoordinatorProcessing(CustomScanState *node, EState *estate, static void CitusBeginSelectScan(CustomScanState *node, EState *estate, int eflags);
int eflags); static void CitusBeginModifyScan(CustomScanState *node, EState *estate, int eflags);
static void CitusPreExecScan(CitusScanState *scanState); static void CitusPreExecScan(CitusScanState *scanState);
static void HandleDeferredShardPruningForFastPathQueries( static void RegenerateTaskForFasthPathQuery(Job *workerJob);
DistributedPlan *distributedPlan); static void RegenerateTaskListForInsert(Job *workerJob);
static void HandleDeferredShardPruningForInserts(DistributedPlan *distributedPlan); static void CacheLocalPlanForShardQuery(Task *task,
static void CacheLocalPlanForTask(Task *task, DistributedPlan *originalDistributedPlan); DistributedPlan *originalDistributedPlan);
static DistributedPlan * CopyDistributedPlanWithoutCache(CitusScanState *scanState); static bool IsLocalPlanCachingSupported(Job *workerJob,
static void ResetExecutionParameters(EState *executorState); DistributedPlan *originalDistributedPlan);
static void CitusBeginScanWithoutCoordinatorProcessing(CustomScanState *node, static DistributedPlan * CopyDistributedPlanWithoutCache(
EState *estate, int eflags); DistributedPlan *originalDistributedPlan);
static void CitusEndScan(CustomScanState *node); static void CitusEndScan(CustomScanState *node);
static void CitusReScan(CustomScanState *node); static void CitusReScan(CustomScanState *node);
@ -187,16 +188,22 @@ CitusBeginScan(CustomScanState *node, EState *estate, int eflags)
#endif #endif
DistributedPlan *distributedPlan = scanState->distributedPlan; DistributedPlan *distributedPlan = scanState->distributedPlan;
Job *workerJob = distributedPlan->workerJob; if (distributedPlan->insertSelectQuery != NULL)
if (workerJob &&
(workerJob->requiresMasterEvaluation || workerJob->deferredPruning))
{ {
CitusBeginScanWithCoordinatorProcessing(node, estate, eflags); /*
* INSERT..SELECT via coordinator or re-partitioning are special because
* the SELECT part is planned separately.
*/
return; return;
} }
else if (distributedPlan->modLevel == ROW_MODIFY_READONLY)
CitusBeginScanWithoutCoordinatorProcessing(node, estate, eflags); {
CitusBeginSelectScan(node, estate, eflags);
}
else
{
CitusBeginModifyScan(node, estate, eflags);
}
} }
@ -233,179 +240,176 @@ CitusExecScan(CustomScanState *node)
/* /*
* CitusBeginScanWithoutCoordinatorProcessing is intended to work on all executions * CitusBeginSelectScan handles deferred pruning and plan caching for SELECTs.
* that do not require any coordinator processing. The function simply acquires the
* necessary locks on the shards involved in the task list of the distributed plan
* and does the placement assignements. This implies that the function is a no-op for
* SELECT queries as they do not require any locking and placement assignements.
*/ */
static void static void
CitusBeginScanWithoutCoordinatorProcessing(CustomScanState *node, EState *estate, int CitusBeginSelectScan(CustomScanState *node, EState *estate, int eflags)
eflags)
{
CitusScanState *scanState = (CitusScanState *) node;
DistributedPlan *distributedPlan = scanState->distributedPlan;
if (distributedPlan->modLevel == ROW_MODIFY_READONLY ||
distributedPlan->insertSelectQuery != NULL)
{
return;
}
/* we'll be modifying the distributed plan by assigning taskList, do it on a copy */
distributedPlan = copyObject(distributedPlan);
scanState->distributedPlan = distributedPlan;
Job *workerJob = distributedPlan->workerJob;
List *taskList = workerJob->taskList;
/*
* These more complex jobs should have been evaluated in
* CitusBeginScanWithCoordinatorProcessing.
*/
Assert(!(workerJob->requiresMasterEvaluation || workerJob->deferredPruning));
/* prevent concurrent placement changes */
AcquireMetadataLocks(taskList);
/* modify tasks are always assigned using first-replica policy */
workerJob->taskList = FirstReplicaAssignTaskList(taskList);
}
/*
* CitusBeginScanWithCoordinatorProcessing generates query strings at the start of the execution
* in two cases: when the query requires master evaluation and/or deferred shard pruning.
*
* The function is also smart about caching plans if the plan is local to this node.
*/
static void
CitusBeginScanWithCoordinatorProcessing(CustomScanState *node, EState *estate, int eflags)
{ {
CitusScanState *scanState = (CitusScanState *) node; CitusScanState *scanState = (CitusScanState *) node;
DistributedPlan *originalDistributedPlan = scanState->distributedPlan; DistributedPlan *originalDistributedPlan = scanState->distributedPlan;
DistributedPlan *distributedPlan = CopyDistributedPlanWithoutCache(scanState);
Job *workerJob = distributedPlan->workerJob; if (!originalDistributedPlan->workerJob->deferredPruning)
{
/*
* For SELECT queries that have already been pruned we can proceed straight
* to execution, since none of the prepared statement logic applies.
*/
return;
}
/*
* Create a copy of the generic plan for the current execution, but make a shallow
* copy of the plan cache. That means we'll be able to access the plan cache via
* currentPlan->workerJob->localPlannedStatements, but it will be preserved across
* executions by the prepared statement logic.
*/
DistributedPlan *currentPlan =
CopyDistributedPlanWithoutCache(originalDistributedPlan);
scanState->distributedPlan = currentPlan;
Job *workerJob = currentPlan->workerJob;
Query *jobQuery = workerJob->jobQuery; Query *jobQuery = workerJob->jobQuery;
/* we'd only get to this function with the following conditions */
Assert(workerJob->requiresMasterEvaluation || workerJob->deferredPruning);
PlanState *planState = &(scanState->customScanState.ss.ps); PlanState *planState = &(scanState->customScanState.ss.ps);
/* citus only evaluates functions for modification queries */
bool modifyQueryRequiresMasterEvaluation =
jobQuery->commandType != CMD_SELECT &&
(workerJob->requiresMasterEvaluation || workerJob->deferredPruning);
/* /*
* ExecuteMasterEvaluableFunctions handles both function evalation * We only do deferred pruning for fast path queries, which have a single
* and parameter evaluation. Pruning is most likely deferred because * partition column value.
* there is a parameter on the distribution key. So, evaluate in both
* cases.
*/ */
if (modifyQueryRequiresMasterEvaluation) Assert(currentPlan->fastPathRouterPlan || !EnableFastPathRouterPlanner);
{
/* evaluate functions and parameters for modification queries */
ExecuteMasterEvaluableFunctionsAndParameters(jobQuery, planState);
}
else if (jobQuery->commandType == CMD_SELECT && !workerJob->deferredPruning)
{
/* we'll use generated strings, no need to have the parameters anymore */
EState *executorState = planState->state;
ResetExecutionParameters(executorState);
/* we're done, we don't want to evaluate functions for SELECT queries */
return;
}
else if (jobQuery->commandType == CMD_SELECT && workerJob->deferredPruning)
{
/* /*
* Evaluate parameters, because the parameters are only avaliable on the * Evaluate parameters, because the parameters are only available on the
* coordinator and are required for pruning. * coordinator and are required for pruning.
* *
* But, we don't want to evaluate functions for read-only queries on the * We don't evaluate functions for read-only queries on the coordinator
* coordinator as the volatile functions could yield different * at the moment. Most function calls would be in a context where they
* results per shard (also per row) and could have side-effects. * should be re-evaluated for every row in case of volatile functions.
* *
* Note that Citus already errors out for modification queries during * TODO: evaluate stable functions
* planning when the query involve any volatile function that might
* diverge the shards as such functions are expected to yield different
* results per shard (also per row).
*/ */
ExecuteMasterEvaluableParameters(jobQuery, planState); ExecuteMasterEvaluableParameters(jobQuery, planState);
}
/* job query no longer has parameters, so we should not send any */
workerJob->parametersInJobQueryResolved = true;
/* parameters are filled in, so we can generate a task for this execution */
RegenerateTaskForFasthPathQuery(workerJob);
if (IsLocalPlanCachingSupported(workerJob, originalDistributedPlan))
{
Task *task = linitial(workerJob->taskList);
/* /*
* After evaluating the function/parameters, we're done unless shard pruning * We are going to execute this task locally. If it's not already in
* is also deferred. * the cache, create a local plan now and add it to the cache. During
* execution, we will get the plan from the cache.
*
* The plan will be cached across executions when originalDistributedPlan
* represents a prepared statement.
*/ */
if (workerJob->requiresMasterEvaluation && !workerJob->deferredPruning) CacheLocalPlanForShardQuery(task, originalDistributedPlan);
{ }
RebuildQueryStrings(workerJob->jobQuery, workerJob->taskList);
/* we'll use generated strings, no need to have the parameters anymore */
EState *executorState = planState->state;
ResetExecutionParameters(executorState);
return;
} }
/*
* CitusBeginModifyScan prepares the scan state for a modification.
*
* Modifications are special because:
* a) we evaluate function calls (e.g. nextval) here and the outcome may
* determine which shards are affected by this query.
* b) we need to take metadata locks to make sure no write is left behind
* when finalizing a shard move.
*/
static void
CitusBeginModifyScan(CustomScanState *node, EState *estate, int eflags)
{
CitusScanState *scanState = (CitusScanState *) node;
PlanState *planState = &(scanState->customScanState.ss.ps);
DistributedPlan *originalDistributedPlan = scanState->distributedPlan;
DistributedPlan *currentPlan =
CopyDistributedPlanWithoutCache(originalDistributedPlan);
scanState->distributedPlan = currentPlan;
Job *workerJob = currentPlan->workerJob;
Query *jobQuery = workerJob->jobQuery;
bool evaluateAllExpressions = workerJob->requiresMasterEvaluation ||
workerJob->deferredPruning;
if (evaluateAllExpressions)
{
/* evaluate both functions and parameters */
ExecuteMasterEvaluableFunctionsAndParameters(jobQuery, planState);
/* job query no longer has parameters, so we should not send any */
workerJob->parametersInJobQueryResolved = true;
}
if (workerJob->deferredPruning)
{
/* /*
* At this point, we're about to do the shard pruning for fast-path queries. * At this point, we're about to do the shard pruning for fast-path queries.
* Given that pruning is deferred always for INSERTs, we get here * Given that pruning is deferred always for INSERTs, we get here
* !EnableFastPathRouterPlanner as well. * !EnableFastPathRouterPlanner as well.
*/ */
Assert(workerJob->deferredPruning && Assert(currentPlan->fastPathRouterPlan || !EnableFastPathRouterPlanner);
(distributedPlan->fastPathRouterPlan || !EnableFastPathRouterPlanner));
/*
* We can only now decide which shard to use, so we need to build a new task
* list.
*/
if (jobQuery->commandType == CMD_INSERT) if (jobQuery->commandType == CMD_INSERT)
{ {
HandleDeferredShardPruningForInserts(distributedPlan); RegenerateTaskListForInsert(workerJob);
} }
else else
{ {
HandleDeferredShardPruningForFastPathQueries(distributedPlan); RegenerateTaskForFasthPathQuery(workerJob);
}
}
else if (workerJob->requiresMasterEvaluation)
{
/*
* When there is no deferred pruning, but we did evaluate functions, then
* we only rebuild the query strings in the existing tasks.
*/
RebuildQueryStrings(workerJob);
} }
if (jobQuery->commandType != CMD_SELECT) /*
{ * Now that we know the shard ID(s) we can acquire the necessary shard metadata
* locks. Once we have the locks it's safe to load the placement metadata.
*/
/* prevent concurrent placement changes */ /* prevent concurrent placement changes */
AcquireMetadataLocks(workerJob->taskList); AcquireMetadataLocks(workerJob->taskList);
/* modify tasks are always assigned using first-replica policy */ /* modify tasks are always assigned using first-replica policy */
workerJob->taskList = FirstReplicaAssignTaskList(workerJob->taskList); workerJob->taskList = FirstReplicaAssignTaskList(workerJob->taskList);
}
if (list_length(distributedPlan->workerJob->taskList) != 1)
{
/*
* We might have zero shard queries or multi-row INSERTs at this point,
* we only want to cache single task queries.
*/
return;
}
/* /*
* As long as the task accesses local node and the query doesn't have * Now that we have populated the task placements we can determine whether
* any volatile functions, we cache the local Postgres plan on the * any of them are local to this node and cache a plan if needed.
* shard for re-use.
*/ */
Task *task = linitial(distributedPlan->workerJob->taskList); if (IsLocalPlanCachingSupported(workerJob, originalDistributedPlan))
if (EnableLocalExecution && TaskAccessesLocalNode(task) &&
!contain_volatile_functions(
(Node *) originalDistributedPlan->workerJob->jobQuery))
{
CacheLocalPlanForTask(task, originalDistributedPlan);
}
else
{ {
Task *task = linitial(workerJob->taskList);
/* /*
* If we're not going to use a cached plan, we'll use the query string that is * We are going to execute this task locally. If it's not already in
* already generated where the parameters are replaced, so we should not have * the cache, create a local plan now and add it to the cache. During
* the parameters anymore. * execution, we will get the plan from the cache.
*
* WARNING: In this function we'll use the original plan with the original
* query tree, meaning parameters and function calls are back and we'll
* redo evaluation in the local (Postgres) executor. The reason we do this
* is that we only need to cache one generic plan per shard.
*
* The plan will be cached across executions when originalDistributedPlan
* represents a prepared statement.
*/ */
EState *executorState = planState->state; CacheLocalPlanForShardQuery(task, originalDistributedPlan);
ResetExecutionParameters(executorState);
} }
} }
@ -422,15 +426,13 @@ CitusBeginScanWithCoordinatorProcessing(CustomScanState *node, EState *estate, i
* reasons, as they are immutable, so no need to have a deep copy. * reasons, as they are immutable, so no need to have a deep copy.
*/ */
static DistributedPlan * static DistributedPlan *
CopyDistributedPlanWithoutCache(CitusScanState *scanState) CopyDistributedPlanWithoutCache(DistributedPlan *originalDistributedPlan)
{ {
DistributedPlan *originalDistributedPlan = scanState->distributedPlan;
List *localPlannedStatements = List *localPlannedStatements =
originalDistributedPlan->workerJob->localPlannedStatements; originalDistributedPlan->workerJob->localPlannedStatements;
originalDistributedPlan->workerJob->localPlannedStatements = NIL; originalDistributedPlan->workerJob->localPlannedStatements = NIL;
DistributedPlan *distributedPlan = copyObject(originalDistributedPlan); DistributedPlan *distributedPlan = copyObject(originalDistributedPlan);
scanState->distributedPlan = distributedPlan;
/* set back the immutable field */ /* set back the immutable field */
originalDistributedPlan->workerJob->localPlannedStatements = localPlannedStatements; originalDistributedPlan->workerJob->localPlannedStatements = localPlannedStatements;
@ -441,30 +443,12 @@ CopyDistributedPlanWithoutCache(CitusScanState *scanState)
/* /*
* ResetExecutionParameters set the parameter list to NULL. See the function * CacheLocalPlanForShardQuery replaces the relation OIDs in the job query
* for details. * with shard relation OIDs and then plans the query and caches the result
* in the originalDistributedPlan (which may be preserved across executions).
*/ */
static void static void
ResetExecutionParameters(EState *executorState) CacheLocalPlanForShardQuery(Task *task, DistributedPlan *originalDistributedPlan)
{
/*
* We've processed parameters in ExecuteMasterEvaluableFunctions and
* don't need to send their values to workers, since they will be
* represented as constants in the deparsed query. To avoid sending
* parameter values, we set the parameter list to NULL.
*/
executorState->es_param_list_info = NULL;
}
/*
* CacheLocalPlanForTask caches a plan that is local to this node in the
* originalDistributedPlan.
*
* The basic idea is to be able to skip planning on the shards when possible.
*/
static void
CacheLocalPlanForTask(Task *task, DistributedPlan *originalDistributedPlan)
{ {
PlannedStmt *localPlan = GetCachedLocalPlan(task, originalDistributedPlan); PlannedStmt *localPlan = GetCachedLocalPlan(task, originalDistributedPlan);
if (localPlan != NULL) if (localPlan != NULL)
@ -512,6 +496,15 @@ CacheLocalPlanForTask(Task *task, DistributedPlan *originalDistributedPlan)
return; return;
} }
if (IsLoggableLevel(DEBUG5))
{
StringInfo queryString = makeStringInfo();
pg_get_query_def(shardQuery, queryString);
ereport(DEBUG5, (errmsg("caching plan for query: %s",
queryString->data)));
}
LockRelationOid(rangeTableEntry->relid, lockMode); LockRelationOid(rangeTableEntry->relid, lockMode);
LocalPlannedStatement *localPlannedStatement = CitusMakeNode(LocalPlannedStatement); LocalPlannedStatement *localPlannedStatement = CitusMakeNode(LocalPlannedStatement);
@ -554,18 +547,86 @@ GetCachedLocalPlan(Task *task, DistributedPlan *distributedPlan)
/* /*
* HandleDeferredShardPruningForInserts does the shard pruning for INSERT * IsLocalPlanCachingSupported returns whether (part of) the task can be planned
* and executed locally and whether caching is supported (single shard, no volatile
* functions).
*/
static bool
IsLocalPlanCachingSupported(Job *currentJob, DistributedPlan *originalDistributedPlan)
{
if (!currentJob->deferredPruning)
{
/*
* When not using deferred pruning we may have already replaced distributed
* table RTEs with citus_extradata_container RTEs to pass the shard ID to the
* deparser. In that case, we cannot pass the query tree directly to the
* planner.
*
* If desired, we can relax this check by improving the implementation of
* CacheLocalPlanForShardQuery to translate citus_extradata_container
* to a shard relation OID.
*/
return false;
}
List *taskList = currentJob->taskList;
if (list_length(taskList) != 1)
{
/* we only support plan caching for single shard queries */
return false;
}
Task *task = linitial(taskList);
if (!TaskAccessesLocalNode(task))
{
/* not a local task */
return false;
}
if (!EnableLocalExecution)
{
/* user requested not to use local execution */
return false;
}
if (TransactionConnectedToLocalGroup)
{
/* transaction already connected to localhost */
return false;
}
Query *originalJobQuery = originalDistributedPlan->workerJob->jobQuery;
if (contain_volatile_functions((Node *) originalJobQuery))
{
/*
* We do not cache plans with volatile functions in the query.
*
* The reason we care about volatile functions is primarily that we
* already executed them in ExecuteMasterEvaluableFunctionsAndParameters
* and since we're falling back to the original query tree here we would
* execute them again if we execute the plan.
*/
return false;
}
return true;
}
/*
* RegenerateTaskListForInsert does the shard pruning for an INSERT query
* queries and rebuilds the query strings. * queries and rebuilds the query strings.
*/ */
static void static void
HandleDeferredShardPruningForInserts(DistributedPlan *distributedPlan) RegenerateTaskListForInsert(Job *workerJob)
{ {
Job *workerJob = distributedPlan->workerJob;
Query *jobQuery = workerJob->jobQuery; Query *jobQuery = workerJob->jobQuery;
bool parametersInJobQueryResolved = workerJob->parametersInJobQueryResolved;
DeferredErrorMessage *planningError = NULL; DeferredErrorMessage *planningError = NULL;
/* need to perform shard pruning, rebuild the task list from scratch */ /* need to perform shard pruning, rebuild the task list from scratch */
List *taskList = RouterInsertTaskList(jobQuery, &planningError); List *taskList = RouterInsertTaskList(jobQuery, parametersInJobQueryResolved,
&planningError);
if (planningError != NULL) if (planningError != NULL)
{ {
@ -575,21 +636,17 @@ HandleDeferredShardPruningForInserts(DistributedPlan *distributedPlan)
workerJob->taskList = taskList; workerJob->taskList = taskList;
workerJob->partitionKeyValue = ExtractInsertPartitionKeyValue(jobQuery); workerJob->partitionKeyValue = ExtractInsertPartitionKeyValue(jobQuery);
RebuildQueryStrings(jobQuery, workerJob->taskList); RebuildQueryStrings(workerJob);
} }
/* /*
* HandleDeferredShardPruningForFastPathQueries does the shard pruning for * RegenerateTaskForFasthPathQuery does the shard pruning for
* UPDATE/DELETE/SELECT fast path router queries and rebuilds the query strings. * UPDATE/DELETE/SELECT fast path router queries and rebuilds the query strings.
*/ */
static void static void
HandleDeferredShardPruningForFastPathQueries(DistributedPlan *distributedPlan) RegenerateTaskForFasthPathQuery(Job *workerJob)
{ {
Assert(distributedPlan->fastPathRouterPlan);
Job *workerJob = distributedPlan->workerJob;
bool isMultiShardQuery = false; bool isMultiShardQuery = false;
List *shardIntervalList = List *shardIntervalList =
TargetShardIntervalForFastPathQuery(workerJob->jobQuery, TargetShardIntervalForFastPathQuery(workerJob->jobQuery,
@ -756,10 +813,11 @@ static void
CitusReScan(CustomScanState *node) CitusReScan(CustomScanState *node)
{ {
CitusScanState *scanState = (CitusScanState *) node; CitusScanState *scanState = (CitusScanState *) node;
Job *workerJob = scanState->distributedPlan->workerJob;
EState *executorState = ScanStateGetExecutorState(scanState); EState *executorState = ScanStateGetExecutorState(scanState);
ParamListInfo paramListInfo = executorState->es_param_list_info; ParamListInfo paramListInfo = executorState->es_param_list_info;
if (paramListInfo != NULL) if (paramListInfo != NULL && !workerJob->parametersInJobQueryResolved)
{ {
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("Cursors for queries on distributed tables with " errmsg("Cursors for queries on distributed tables with "

22
src/backend/distributed/executor/local_executor.c
View File

@ -184,15 +184,25 @@ ExecuteLocalTaskList(CitusScanState *scanState, List *taskList)
} }
else else
{ {
Query *shardQuery = ParseQueryString(TaskQueryString(task), parameterTypes, int taskNumParams = numParams;
numParams); Oid *taskParameterTypes = parameterTypes;
if (task->parametersInQueryStringResolved)
{
/* /*
* We should not consider using CURSOR_OPT_FORCE_DISTRIBUTED in case of * Parameters were removed from the query string so do not pass them
* intermediate results in the query. That'd trigger ExecuteLocalTaskPlan() * here. Otherwise, we might see errors when passing custom types,
* go through the distributed executor, which we do not want since the * since their OIDs were set to 0 and their type is normally
* query is already known to be local. * inferred from
*/ */
taskNumParams = 0;
taskParameterTypes = NULL;
}
Query *shardQuery = ParseQueryString(TaskQueryString(task),
taskParameterTypes,
taskNumParams);
int cursorOptions = 0; int cursorOptions = 0;
/* /*

19
src/backend/distributed/planner/deparse_shard_query.c
View File

@ -17,6 +17,7 @@
#include "distributed/citus_ruleutils.h" #include "distributed/citus_ruleutils.h"
#include "distributed/deparse_shard_query.h" #include "distributed/deparse_shard_query.h"
#include "distributed/insert_select_planner.h" #include "distributed/insert_select_planner.h"
#include "distributed/listutils.h"
#include "distributed/local_executor.h" #include "distributed/local_executor.h"
#include "distributed/metadata_cache.h" #include "distributed/metadata_cache.h"
#include "distributed/multi_physical_planner.h" #include "distributed/multi_physical_planner.h"
@ -46,18 +47,20 @@ static char * DeparseTaskQuery(Task *task, Query *query);
* include execution-time changes such as function evaluation. * include execution-time changes such as function evaluation.
*/ */
void void
RebuildQueryStrings(Query *originalQuery, List *taskList) RebuildQueryStrings(Job *workerJob)
{ {
ListCell *taskCell = NULL; Query *originalQuery = workerJob->jobQuery;
List *taskList = workerJob->taskList;
Oid relationId = ((RangeTblEntry *) linitial(originalQuery->rtable))->relid; Oid relationId = ((RangeTblEntry *) linitial(originalQuery->rtable))->relid;
RangeTblEntry *valuesRTE = ExtractDistributedInsertValuesRTE(originalQuery); RangeTblEntry *valuesRTE = ExtractDistributedInsertValuesRTE(originalQuery);
foreach(taskCell, taskList) Task *task = NULL;
foreach_ptr(task, taskList)
{ {
Task *task = (Task *) lfirst(taskCell);
Query *query = originalQuery; Query *query = originalQuery;
if (UpdateOrDeleteQuery(query) && list_length(taskList)) if (UpdateOrDeleteQuery(query) && list_length(taskList) > 1)
{ {
query = copyObject(originalQuery); query = copyObject(originalQuery);
} }
@ -115,6 +118,12 @@ RebuildQueryStrings(Query *originalQuery, List *taskList)
UpdateTaskQueryString(query, relationId, valuesRTE, task); UpdateTaskQueryString(query, relationId, valuesRTE, task);
/*
* If parameters were resolved in the job query, then they are now also
* resolved in the query string.
*/
task->parametersInQueryStringResolved = workerJob->parametersInJobQueryResolved;
ereport(DEBUG4, (errmsg("query after rebuilding: %s", ereport(DEBUG4, (errmsg("query after rebuilding: %s",
ApplyLogRedaction(TaskQueryString(task))))); ApplyLogRedaction(TaskQueryString(task)))));
} }

38
src/backend/distributed/planner/multi_router_planner.c
View File

@ -158,11 +158,11 @@ static int CompareInsertValuesByShardId(const void *leftElement,
const void *rightElement); const void *rightElement);
static List * SingleShardSelectTaskList(Query *query, uint64 jobId, static List * SingleShardSelectTaskList(Query *query, uint64 jobId,
List *relationShardList, List *placementList, List *relationShardList, List *placementList,
uint64 shardId); uint64 shardId, bool parametersInQueryResolved);
static bool RowLocksOnRelations(Node *node, List **rtiLockList); static bool RowLocksOnRelations(Node *node, List **rtiLockList);
static List * SingleShardModifyTaskList(Query *query, uint64 jobId, static List * SingleShardModifyTaskList(Query *query, uint64 jobId,
List *relationShardList, List *placementList, List *relationShardList, List *placementList,
uint64 shardId); uint64 shardId, bool parametersInQueryResolved);
static List * RemoveCoordinatorPlacement(List *placementList); static List * RemoveCoordinatorPlacement(List *placementList);
static void ReorderTaskPlacementsByTaskAssignmentPolicy(Job *job, static void ReorderTaskPlacementsByTaskAssignmentPolicy(Job *job,
TaskAssignmentPolicyType TaskAssignmentPolicyType
@ -1447,7 +1447,9 @@ RouterInsertJob(Query *originalQuery, Query *query, DeferredErrorMessage **plann
} }
else else
{ {
taskList = RouterInsertTaskList(query, planningError); bool parametersInQueryResolved = false;
taskList = RouterInsertTaskList(query, parametersInQueryResolved, planningError);
if (*planningError) if (*planningError)
{ {
return NULL; return NULL;
@ -1457,19 +1459,20 @@ RouterInsertJob(Query *originalQuery, Query *query, DeferredErrorMessage **plann
requiresMasterEvaluation = RequiresMasterEvaluation(originalQuery); requiresMasterEvaluation = RequiresMasterEvaluation(originalQuery);
} }
Job *job = CreateJob(originalQuery);
job->taskList = taskList;
job->requiresMasterEvaluation = requiresMasterEvaluation;
job->deferredPruning = deferredPruning;
if (!requiresMasterEvaluation) if (!requiresMasterEvaluation)
{ {
/* no functions or parameters, build the query strings upfront */ /* no functions or parameters, build the query strings upfront */
RebuildQueryStrings(originalQuery, taskList); RebuildQueryStrings(job);
/* remember the partition column value */ /* remember the partition column value */
partitionKeyValue = ExtractInsertPartitionKeyValue(originalQuery); partitionKeyValue = ExtractInsertPartitionKeyValue(originalQuery);
} }
Job *job = CreateJob(originalQuery);
job->taskList = taskList;
job->requiresMasterEvaluation = requiresMasterEvaluation;
job->deferredPruning = deferredPruning;
job->partitionKeyValue = partitionKeyValue; job->partitionKeyValue = partitionKeyValue;
return job; return job;
@ -1561,7 +1564,8 @@ ErrorIfNoShardsExist(DistTableCacheEntry *cacheEntry)
* a distributed table via the router executor. * a distributed table via the router executor.
*/ */
List * List *
RouterInsertTaskList(Query *query, DeferredErrorMessage **planningError) RouterInsertTaskList(Query *query, bool parametersInQueryResolved,
DeferredErrorMessage **planningError)
{ {
List *insertTaskList = NIL; List *insertTaskList = NIL;
ListCell *modifyRouteCell = NULL; ListCell *modifyRouteCell = NULL;
@ -1593,8 +1597,8 @@ RouterInsertTaskList(Query *query, DeferredErrorMessage **planningError)
relationShard->relationId = distributedTableId; relationShard->relationId = distributedTableId;
modifyTask->relationShardList = list_make1(relationShard); modifyTask->relationShardList = list_make1(relationShard);
modifyTask->taskPlacementList = ShardPlacementList(modifyRoute->shardId); modifyTask->taskPlacementList = ShardPlacementList(modifyRoute->shardId);
modifyTask->parametersInQueryStringResolved = parametersInQueryResolved;
insertTaskList = lappend(insertTaskList, modifyTask); insertTaskList = lappend(insertTaskList, modifyTask);
} }
@ -1772,7 +1776,8 @@ GenerateSingleShardRouterTaskList(Job *job, List *relationShardList,
{ {
job->taskList = SingleShardSelectTaskList(originalQuery, job->jobId, job->taskList = SingleShardSelectTaskList(originalQuery, job->jobId,
relationShardList, placementList, relationShardList, placementList,
shardId); shardId,
job->parametersInJobQueryResolved);
/* /*
* Queries to reference tables, or distributed tables with multiple replica's have * Queries to reference tables, or distributed tables with multiple replica's have
@ -1798,7 +1803,8 @@ GenerateSingleShardRouterTaskList(Job *job, List *relationShardList,
{ {
job->taskList = SingleShardModifyTaskList(originalQuery, job->jobId, job->taskList = SingleShardModifyTaskList(originalQuery, job->jobId,
relationShardList, placementList, relationShardList, placementList,
shardId); shardId,
job->parametersInJobQueryResolved);
} }
} }
@ -1890,7 +1896,8 @@ RemoveCoordinatorPlacement(List *placementList)
*/ */
static List * static List *
SingleShardSelectTaskList(Query *query, uint64 jobId, List *relationShardList, SingleShardSelectTaskList(Query *query, uint64 jobId, List *relationShardList,
List *placementList, uint64 shardId) List *placementList, uint64 shardId,
bool parametersInQueryResolved)
{ {
Task *task = CreateTask(SELECT_TASK); Task *task = CreateTask(SELECT_TASK);
List *relationRowLockList = NIL; List *relationRowLockList = NIL;
@ -1908,6 +1915,7 @@ SingleShardSelectTaskList(Query *query, uint64 jobId, List *relationShardList,
task->jobId = jobId; task->jobId = jobId;
task->relationShardList = relationShardList; task->relationShardList = relationShardList;
task->relationRowLockList = relationRowLockList; task->relationRowLockList = relationRowLockList;
task->parametersInQueryStringResolved = parametersInQueryResolved;
return list_make1(task); return list_make1(task);
} }
@ -1960,7 +1968,8 @@ RowLocksOnRelations(Node *node, List **relationRowLockList)
*/ */
static List * static List *
SingleShardModifyTaskList(Query *query, uint64 jobId, List *relationShardList, SingleShardModifyTaskList(Query *query, uint64 jobId, List *relationShardList,
List *placementList, uint64 shardId) List *placementList, uint64 shardId,
bool parametersInQueryResolved)
{ {
Task *task = CreateTask(MODIFY_TASK); Task *task = CreateTask(MODIFY_TASK);
List *rangeTableList = NIL; List *rangeTableList = NIL;
@ -1987,6 +1996,7 @@ SingleShardModifyTaskList(Query *query, uint64 jobId, List *relationShardList,
task->jobId = jobId; task->jobId = jobId;
task->relationShardList = relationShardList; task->relationShardList = relationShardList;
task->replicationModel = modificationTableCacheEntry->replicationModel; task->replicationModel = modificationTableCacheEntry->replicationModel;
task->parametersInQueryStringResolved = parametersInQueryResolved;
return list_make1(task); return list_make1(task);
} }

5
src/backend/distributed/utils/citus_clauses.c
View File

@ -45,6 +45,11 @@ static bool ShouldEvaluateFunctionWithMasterContext(MasterEvaluationContext *
bool bool
RequiresMasterEvaluation(Query *query) RequiresMasterEvaluation(Query *query)
{ {
if (query->commandType == CMD_SELECT)
{
return false;
}
return FindNodeCheck((Node *) query, CitusIsMutableFunction); return FindNodeCheck((Node *) query, CitusIsMutableFunction);
} }

2
src/backend/distributed/utils/citus_copyfuncs.c
View File

@ -86,6 +86,7 @@ copyJobInfo(Job *newnode, Job *from)
COPY_SCALAR_FIELD(deferredPruning); COPY_SCALAR_FIELD(deferredPruning);
COPY_NODE_FIELD(partitionKeyValue); COPY_NODE_FIELD(partitionKeyValue);
COPY_NODE_FIELD(localPlannedStatements); COPY_NODE_FIELD(localPlannedStatements);
COPY_SCALAR_FIELD(parametersInJobQueryResolved);
} }
@ -274,6 +275,7 @@ CopyNodeTask(COPYFUNC_ARGS)
COPY_NODE_FIELD(relationRowLockList); COPY_NODE_FIELD(relationRowLockList);
COPY_NODE_FIELD(rowValuesLists); COPY_NODE_FIELD(rowValuesLists);
COPY_SCALAR_FIELD(partiallyLocalOrRemote); COPY_SCALAR_FIELD(partiallyLocalOrRemote);
COPY_SCALAR_FIELD(parametersInQueryStringResolved);
} }

2
src/backend/distributed/utils/citus_outfuncs.c
View File

@ -339,6 +339,7 @@ OutJobFields(StringInfo str, const Job *node)
WRITE_BOOL_FIELD(deferredPruning); WRITE_BOOL_FIELD(deferredPruning);
WRITE_NODE_FIELD(partitionKeyValue); WRITE_NODE_FIELD(partitionKeyValue);
WRITE_NODE_FIELD(localPlannedStatements); WRITE_NODE_FIELD(localPlannedStatements);
WRITE_BOOL_FIELD(parametersInJobQueryResolved);
} }
@ -492,6 +493,7 @@ OutTask(OUTFUNC_ARGS)
WRITE_NODE_FIELD(relationRowLockList); WRITE_NODE_FIELD(relationRowLockList);
WRITE_NODE_FIELD(rowValuesLists); WRITE_NODE_FIELD(rowValuesLists);
WRITE_BOOL_FIELD(partiallyLocalOrRemote); WRITE_BOOL_FIELD(partiallyLocalOrRemote);
WRITE_BOOL_FIELD(parametersInQueryStringResolved);
} }

2
src/include/distributed/deparse_shard_query.h
View File

@ -21,7 +21,7 @@
#include "distributed/citus_custom_scan.h" #include "distributed/citus_custom_scan.h"
extern void RebuildQueryStrings(Query *originalQuery, List *taskList); extern void RebuildQueryStrings(Job *workerJob);
extern bool UpdateRelationToShardNames(Node *node, List *relationShardList); extern bool UpdateRelationToShardNames(Node *node, List *relationShardList);
extern void SetTaskQuery(Task *task, Query *query); extern void SetTaskQuery(Task *task, Query *query);
extern void SetTaskQueryString(Task *task, char *queryString); extern void SetTaskQueryString(Task *task, char *queryString);

14
src/include/distributed/multi_physical_planner.h
View File

@ -157,6 +157,13 @@ typedef struct Job
/* for local shard queries, we may save the local plan here */ /* for local shard queries, we may save the local plan here */
List *localPlannedStatements; List *localPlannedStatements;
/*
* When we evaluate functions and parameters in jobQuery then we
* should no longer send the list of parameters along with the
* query.
*/
bool parametersInJobQueryResolved;
} Job; } Job;
@ -274,6 +281,13 @@ typedef struct Task
* the task splitted into local and remote tasks. * the task splitted into local and remote tasks.
*/ */
bool partiallyLocalOrRemote; bool partiallyLocalOrRemote;
/*
* When we evaluate functions and parameters in the query string then
* we should no longer send the list of parameters long with the
* query.
*/
bool parametersInQueryStringResolved;
} Task; } Task;

3
src/include/distributed/multi_router_planner.h
View File

@ -47,7 +47,8 @@ extern List * RelationShardListForShardIntervalList(List *shardIntervalList,
bool *shardsPresent); bool *shardsPresent);
extern List * FindRouterWorkerList(List *shardIntervalList, bool shardsPresent, extern List * FindRouterWorkerList(List *shardIntervalList, bool shardsPresent,
bool replacePrunedQueryWithDummy); bool replacePrunedQueryWithDummy);
extern List * RouterInsertTaskList(Query *query, DeferredErrorMessage **planningError); extern List * RouterInsertTaskList(Query *query, bool parametersInQueryResolved,
DeferredErrorMessage **planningError);
extern Const * ExtractInsertPartitionKeyValue(Query *query); extern Const * ExtractInsertPartitionKeyValue(Query *query);
extern List * TargetShardIntervalsForRestrictInfo(RelationRestrictionContext * extern List * TargetShardIntervalsForRestrictInfo(RelationRestrictionContext *
restrictionContext, restrictionContext,

64
src/test/regress/expected/local_shard_execution.out
View File

@ -47,6 +47,20 @@ SELECT create_distributed_table('collections_list', 'key');
CREATE TABLE collections_list_0 CREATE TABLE collections_list_0
PARTITION OF collections_list (key, ser, ts, collection_id, value) PARTITION OF collections_list (key, ser, ts, collection_id, value)
FOR VALUES IN ( 0 ); FOR VALUES IN ( 0 );
-- create a volatile function that returns the local node id
CREATE OR REPLACE FUNCTION get_local_node_id_volatile()
RETURNS INT AS $$
DECLARE localGroupId int;
BEGIN
SELECT groupid INTO localGroupId FROM pg_dist_local_group;
RETURN localGroupId;
END; $$ language plpgsql VOLATILE;
SELECT create_distributed_function('get_local_node_id_volatile()');
create_distributed_function
---------------------------------------------------------------------
(1 row)
-- connection worker and get ready for the tests -- connection worker and get ready for the tests
\c - - - :worker_1_port \c - - - :worker_1_port
SET search_path TO local_shard_execution; SET search_path TO local_shard_execution;
@ -634,6 +648,33 @@ PL/pgSQL function only_local_execution() line 5 at SQL statement
NOTICE: executing the command locally: DELETE FROM local_shard_execution.distributed_table_1470001 distributed_table WHERE (key OPERATOR(pg_catalog.=) 1) NOTICE: executing the command locally: DELETE FROM local_shard_execution.distributed_table_1470001 distributed_table WHERE (key OPERATOR(pg_catalog.=) 1)
CONTEXT: SQL statement "DELETE FROM distributed_table WHERE key = 1" CONTEXT: SQL statement "DELETE FROM distributed_table WHERE key = 1"
PL/pgSQL function only_local_execution() line 6 at SQL statement PL/pgSQL function only_local_execution() line 6 at SQL statement
-- insert a row that we need in the next tests
INSERT INTO distributed_table VALUES (1, '11',21) ON CONFLICT(key) DO UPDATE SET value = '29';
NOTICE: executing the command locally: INSERT INTO local_shard_execution.distributed_table_1470001 AS citus_table_alias (key, value, age) VALUES (1, '11'::text, 21) ON CONFLICT(key) DO UPDATE SET value = '29'::text
-- make sure that functions can use local execution
CREATE OR REPLACE PROCEDURE only_local_execution_with_function_evaluation() AS $$
DECLARE nodeId INT;
BEGIN
-- fast path router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table WHERE key = 1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
-- regular router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table d1 JOIN distributed_table d2 USING (key) WHERE d1.key = 1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
END;
$$ LANGUAGE plpgsql;
CALL only_local_execution_with_function_evaluation();
NOTICE: executing the command locally: SELECT local_shard_execution.get_local_node_id_volatile() AS get_local_node_id_volatile FROM local_shard_execution.distributed_table_1470001 distributed_table WHERE (key OPERATOR(pg_catalog.=) 1)
CONTEXT: SQL statement "SELECT get_local_node_id_volatile() FROM distributed_table WHERE key = 1"
PL/pgSQL function only_local_execution_with_function_evaluation() line 5 at SQL statement
NOTICE: executing the command locally: SELECT local_shard_execution.get_local_node_id_volatile() AS get_local_node_id_volatile FROM (local_shard_execution.distributed_table_1470001 d1(key, value, age) JOIN local_shard_execution.distributed_table_1470001 d2(key, value, age) USING (key)) WHERE (d1.key OPERATOR(pg_catalog.=) 1)
CONTEXT: SQL statement "SELECT get_local_node_id_volatile() FROM distributed_table d1 JOIN distributed_table d2 USING (key) WHERE d1.key = 1"
PL/pgSQL function only_local_execution_with_function_evaluation() line 11 at SQL statement
CREATE OR REPLACE PROCEDURE only_local_execution_with_params(int) AS $$ CREATE OR REPLACE PROCEDURE only_local_execution_with_params(int) AS $$
DECLARE cnt INT; DECLARE cnt INT;
BEGIN BEGIN
@ -652,6 +693,29 @@ PL/pgSQL function only_local_execution_with_params(integer) line 5 at SQL statem
NOTICE: executing the command locally: DELETE FROM local_shard_execution.distributed_table_1470001 distributed_table WHERE (key OPERATOR(pg_catalog.=) 1) NOTICE: executing the command locally: DELETE FROM local_shard_execution.distributed_table_1470001 distributed_table WHERE (key OPERATOR(pg_catalog.=) 1)
CONTEXT: SQL statement "DELETE FROM distributed_table WHERE key = $1" CONTEXT: SQL statement "DELETE FROM distributed_table WHERE key = $1"
PL/pgSQL function only_local_execution_with_params(integer) line 6 at SQL statement PL/pgSQL function only_local_execution_with_params(integer) line 6 at SQL statement
CREATE OR REPLACE PROCEDURE only_local_execution_with_function_evaluation_param(int) AS $$
DECLARE nodeId INT;
BEGIN
-- fast path router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table WHERE key = $1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
-- regular router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table d1 JOIN distributed_table d2 USING (key) WHERE d1.key = $1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
END;
$$ LANGUAGE plpgsql;
CALL only_local_execution_with_function_evaluation_param(1);
NOTICE: executing the command locally: SELECT local_shard_execution.get_local_node_id_volatile() AS get_local_node_id_volatile FROM local_shard_execution.distributed_table_1470001 distributed_table WHERE (key OPERATOR(pg_catalog.=) 1)
CONTEXT: SQL statement "SELECT get_local_node_id_volatile() FROM distributed_table WHERE key = $1"
PL/pgSQL function only_local_execution_with_function_evaluation_param(integer) line 5 at SQL statement
NOTICE: executing the command locally: SELECT local_shard_execution.get_local_node_id_volatile() AS get_local_node_id_volatile FROM (local_shard_execution.distributed_table_1470001 d1(key, value, age) JOIN local_shard_execution.distributed_table_1470001 d2(key, value, age) USING (key)) WHERE (d1.key OPERATOR(pg_catalog.=) $1)
CONTEXT: SQL statement "SELECT get_local_node_id_volatile() FROM distributed_table d1 JOIN distributed_table d2 USING (key) WHERE d1.key = $1"
PL/pgSQL function only_local_execution_with_function_evaluation_param(integer) line 11 at SQL statement
CREATE OR REPLACE PROCEDURE local_execution_followed_by_dist() AS $$ CREATE OR REPLACE PROCEDURE local_execution_followed_by_dist() AS $$
DECLARE cnt INT; DECLARE cnt INT;
BEGIN BEGIN

81
src/test/regress/expected/master_evaluation.out
View File

@ -53,50 +53,113 @@ SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key =
(1 row) (1 row)
-- make sure that it is also true for fast-path router queries with paramaters -- make sure that it is also true for fast-path router queries with paramaters
PREPARE p1(int) AS SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = $1; PREPARE fast_path_router_with_param(int) AS SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = $1;
execute p1(1); execute fast_path_router_with_param(1);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(2); execute fast_path_router_with_param(2);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(3); execute fast_path_router_with_param(3);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(4); execute fast_path_router_with_param(4);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(5); execute fast_path_router_with_param(5);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(6); execute fast_path_router_with_param(6);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(7); execute fast_path_router_with_param(7);
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t
(1 row) (1 row)
execute p1(8); execute fast_path_router_with_param(8);
?column?
---------------------------------------------------------------------
t
(1 row)
-- same query as fast_path_router_with_param, but with consts
SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = 1;
?column?
---------------------------------------------------------------------
t
(1 row)
PREPARE router_with_param(int) AS SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table m1 JOIN master_evaluation_table m2 USING(key) WHERE key = $1;
execute router_with_param(1);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(2);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(3);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(4);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(5);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(6);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(7);
?column?
---------------------------------------------------------------------
t
(1 row)
execute router_with_param(8);
?column?
---------------------------------------------------------------------
t
(1 row)
-- same query as router_with_param, but with consts
SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table m1 JOIN master_evaluation_table m2 USING(key) WHERE key = 1;
?column? ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
t t

1542
src/test/regress/expected/master_evaluation_modify.out Normal file
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File diff suppressed because it is too large Load Diff

1500
src/test/regress/expected/master_evaluation_select.out Normal file
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File diff suppressed because it is too large Load Diff

3
src/test/regress/multi_mx_schedule
View File

@ -36,7 +36,8 @@ test: recursive_dml_queries_mx multi_mx_truncate_from_worker
test: multi_mx_repartition_udt_prepare mx_foreign_key_to_reference_table test: multi_mx_repartition_udt_prepare mx_foreign_key_to_reference_table
test: multi_mx_repartition_join_w1 multi_mx_repartition_join_w2 multi_mx_repartition_udt_w1 multi_mx_repartition_udt_w2 test: multi_mx_repartition_join_w1 multi_mx_repartition_join_w2 multi_mx_repartition_udt_w1 multi_mx_repartition_udt_w2
test: multi_mx_metadata test: multi_mx_metadata
test: multi_mx_call master_evaluation test: master_evaluation master_evaluation_modify master_evaluation_select
test: multi_mx_call
test: multi_mx_function_call_delegation test: multi_mx_function_call_delegation
test: multi_mx_modifications local_shard_execution test: multi_mx_modifications local_shard_execution
test: multi_mx_transaction_recovery test: multi_mx_transaction_recovery

52
src/test/regress/sql/local_shard_execution.sql
View File

@ -36,6 +36,16 @@ CREATE TABLE collections_list_0
PARTITION OF collections_list (key, ser, ts, collection_id, value) PARTITION OF collections_list (key, ser, ts, collection_id, value)
FOR VALUES IN ( 0 ); FOR VALUES IN ( 0 );
-- create a volatile function that returns the local node id
CREATE OR REPLACE FUNCTION get_local_node_id_volatile()
RETURNS INT AS $$
DECLARE localGroupId int;
BEGIN
SELECT groupid INTO localGroupId FROM pg_dist_local_group;
RETURN localGroupId;
END; $$ language plpgsql VOLATILE;
SELECT create_distributed_function('get_local_node_id_volatile()');
-- connection worker and get ready for the tests -- connection worker and get ready for the tests
\c - - - :worker_1_port \c - - - :worker_1_port
SET search_path TO local_shard_execution; SET search_path TO local_shard_execution;
@ -361,6 +371,29 @@ $$ LANGUAGE plpgsql;
CALL only_local_execution(); CALL only_local_execution();
-- insert a row that we need in the next tests
INSERT INTO distributed_table VALUES (1, '11',21) ON CONFLICT(key) DO UPDATE SET value = '29';
-- make sure that functions can use local execution
CREATE OR REPLACE PROCEDURE only_local_execution_with_function_evaluation() AS $$
DECLARE nodeId INT;
BEGIN
-- fast path router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table WHERE key = 1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
-- regular router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table d1 JOIN distributed_table d2 USING (key) WHERE d1.key = 1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
END;
$$ LANGUAGE plpgsql;
CALL only_local_execution_with_function_evaluation();
CREATE OR REPLACE PROCEDURE only_local_execution_with_params(int) AS $$ CREATE OR REPLACE PROCEDURE only_local_execution_with_params(int) AS $$
DECLARE cnt INT; DECLARE cnt INT;
BEGIN BEGIN
@ -372,6 +405,25 @@ $$ LANGUAGE plpgsql;
CALL only_local_execution_with_params(1); CALL only_local_execution_with_params(1);
CREATE OR REPLACE PROCEDURE only_local_execution_with_function_evaluation_param(int) AS $$
DECLARE nodeId INT;
BEGIN
-- fast path router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table WHERE key = $1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
-- regular router
SELECT get_local_node_id_volatile() INTO nodeId FROM distributed_table d1 JOIN distributed_table d2 USING (key) WHERE d1.key = $1;
IF nodeId <= 0 THEN
RAISE NOTICE 'unexpected node id';
END IF;
END;
$$ LANGUAGE plpgsql;
CALL only_local_execution_with_function_evaluation_param(1);
CREATE OR REPLACE PROCEDURE local_execution_followed_by_dist() AS $$ CREATE OR REPLACE PROCEDURE local_execution_followed_by_dist() AS $$
DECLARE cnt INT; DECLARE cnt INT;
BEGIN BEGIN

35
src/test/regress/sql/master_evaluation.sql
View File

@ -36,16 +36,33 @@ INSERT INTO master_evaluation_table SELECT i, i FROM generate_series(0,100)i;
SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = 1; SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = 1;
-- make sure that it is also true for fast-path router queries with paramaters -- make sure that it is also true for fast-path router queries with paramaters
PREPARE p1(int) AS SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = $1; PREPARE fast_path_router_with_param(int) AS SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = $1;
execute p1(1); execute fast_path_router_with_param(1);
execute p1(2); execute fast_path_router_with_param(2);
execute p1(3); execute fast_path_router_with_param(3);
execute p1(4); execute fast_path_router_with_param(4);
execute p1(5); execute fast_path_router_with_param(5);
execute p1(6); execute fast_path_router_with_param(6);
execute p1(7); execute fast_path_router_with_param(7);
execute p1(8); execute fast_path_router_with_param(8);
-- same query as fast_path_router_with_param, but with consts
SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table WHERE key = 1;
PREPARE router_with_param(int) AS SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table m1 JOIN master_evaluation_table m2 USING(key) WHERE key = $1;
execute router_with_param(1);
execute router_with_param(2);
execute router_with_param(3);
execute router_with_param(4);
execute router_with_param(5);
execute router_with_param(6);
execute router_with_param(7);
execute router_with_param(8);
-- same query as router_with_param, but with consts
SELECT get_local_node_id_volatile() > 0 FROM master_evaluation_table m1 JOIN master_evaluation_table m2 USING(key) WHERE key = 1;
-- for multi-shard queries, we still expect the evaluation to happen on the workers -- for multi-shard queries, we still expect the evaluation to happen on the workers
SELECT count(*), max(get_local_node_id_volatile()) != 0, min(get_local_node_id_volatile()) != 0 FROM master_evaluation_table; SELECT count(*), max(get_local_node_id_volatile()) != 0, min(get_local_node_id_volatile()) != 0 FROM master_evaluation_table;

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src/test/regress/sql/master_evaluation_modify.sql Normal file
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-- This test relies on metadata being synced
-- that's why is should be executed on MX schedule
CREATE SCHEMA master_evaluation_combinations_modify;
SET search_path TO master_evaluation_combinations_modify;
-- in this test, we are considering combinations of
-- several Citus features, and there is one prepared
-- statement for the combinations of following:
-- (a) Router Modify vs Fast Path Router Modify
-- (b) Local Execution vs Remote Execution
-- (c) Parameters on distribution key vs Parameters on non-dist key
-- vs Non-parametrized queries
-- (d) Master Function Evaluation Required vs
-- Master Function Evaluation Not Required
SET citus.next_shard_id TO 1180000;
-- create a volatile function that returns the local node id
CREATE OR REPLACE FUNCTION get_local_node_id_stable()
RETURNS INT AS $$
DECLARE localGroupId int;
BEGIN
SELECT groupid INTO localGroupId FROM pg_dist_local_group;
RETURN localGroupId;
END; $$ language plpgsql STABLE;
SELECT create_distributed_function('get_local_node_id_stable()');
-- returns 1 on coordinator
CREATE OR REPLACE FUNCTION get_constant_stable()
RETURNS INT AS $$
BEGIN
RETURN 1;
END; $$ language plpgsql STABLE;
CREATE TYPE user_data AS (name text, age int);
SET citus.replication_model TO streaming;
SET citus.shard_replication_factor TO 1;
CREATE TABLE user_info_data (user_id int, u_data user_data);
SELECT create_distributed_table('user_info_data', 'user_id');
-- show that local id is 0, we'll use this information
SELECT get_local_node_id_stable();
INSERT INTO user_info_data SELECT i, ('name' || i, i % 20 + 20)::user_data FROM generate_series(0,7)i;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param(int) AS DELETE FROM user_info_data WHERE user_id = $1 RETURNING *;
execute fast_path_router_with_param(0);
execute fast_path_router_with_param(1);
execute fast_path_router_with_param(2);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(4);
execute fast_path_router_with_param(5);
execute fast_path_router_with_param(6);
execute fast_path_router_with_param(7);
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param_and_func(int) AS DELETE FROM user_info_data WHERE u_data = ('test', get_local_node_id_stable())::user_data AND user_id = $1 RETURNING *;
INSERT INTO user_info_data SELECT i, ('test', 0)::user_data FROM generate_series(0,7)i;
-- should evaluate the function on the coordinator, hence get_local_node_id_stable() returns zero
execute fast_path_router_with_param_and_func(0);
execute fast_path_router_with_param_and_func(1);
execute fast_path_router_with_param_and_func(2);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(4);
execute fast_path_router_with_param_and_func(5);
execute fast_path_router_with_param_and_func(6);
execute fast_path_router_with_param_and_func(7);
INSERT INTO user_info_data SELECT 1, ('test' || i, 0)::user_data FROM generate_series(0,7)i;
PREPARE fast_path_router_with_param_on_non_dist_key_and_func(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 1 RETURNING *;
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test0', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test1', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test2', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test3', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test4', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test5', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test6', get_local_node_id_stable())::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('test7', get_local_node_id_stable())::user_data);
INSERT INTO user_info_data SELECT 1, ('test', i)::user_data FROM generate_series(0,7)i;
PREPARE fast_path_router_with_param_on_non_dist_key(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 1 RETURNING
*;
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 0)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 2)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 3)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 4)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 5)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 6)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 7)::user_data);
INSERT INTO user_info_data SELECT i, ('test', i)::user_data FROM generate_series(0,7)i;
PREPARE fast_path_router_with_two_params(user_data, int) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = $2 RETURNING
*;
EXECUTE fast_path_router_with_two_params(('test', 0)::user_data, 0);
EXECUTE fast_path_router_with_two_params(('test', 1)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 2);
EXECUTE fast_path_router_with_two_params(('test', 3)::user_data, 3);
EXECUTE fast_path_router_with_two_params(('test', 4)::user_data, 4);
EXECUTE fast_path_router_with_two_params(('test', 5)::user_data, 5);
EXECUTE fast_path_router_with_two_params(('test', 6)::user_data, 6);
EXECUTE fast_path_router_with_two_params(('test', 7)::user_data, 7);
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
PREPARE fast_path_router_with_only_function AS DELETE FROM user_info_data WHERE get_local_node_id_stable() = 0 AND user_id = 1 RETURNING *;
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE fast_path_router_with_only_function;
ALTER TABLE user_info_data ADD COLUMN user_index INT;
PREPARE insert_with_function_and_param(user_data) AS INSERT INTO user_info_data VALUES (1, $1, get_local_node_id_stable()) RETURNING user_id;
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
ALTER TABLE user_info_data DROP COLUMN user_index;
TRUNCATE user_info_data;
INSERT INTO user_info_data SELECT i, ('test', i)::user_data FROM generate_series(0,7)i;
-- make sure that it is also true for non fast-path router queries with paramaters
PREPARE router_with_param(int) AS DELETE FROM user_info_data WHERE user_id = $1 AND user_id = $1 RETURNING *;
execute router_with_param(0);
execute router_with_param(1);
execute router_with_param(2);
execute router_with_param(3);
execute router_with_param(4);
execute router_with_param(5);
execute router_with_param(6);
execute router_with_param(7);
-- make sure that it is also true for non fast-path router queries with paramaters
PREPARE router_with_param_and_func(int) AS DELETE FROM user_info_data WHERE u_data = ('test', get_local_node_id_stable())::user_data AND user_id = $1 AND user_id = $1 RETURNING *;
INSERT INTO user_info_data SELECT i, ('test', 0)::user_data FROM generate_series(0,7)i;
execute router_with_param_and_func(0);
execute router_with_param_and_func(1);
execute router_with_param_and_func(2);
execute router_with_param_and_func(3);
execute router_with_param_and_func(4);
execute router_with_param_and_func(5);
execute router_with_param_and_func(6);
execute router_with_param_and_func(7);
INSERT INTO user_info_data SELECT 1, ('test' || i, 0)::user_data FROM generate_series(0,7)i;
PREPARE router_with_param_on_non_dist_key_and_func(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 1 AND user_id = 1 RETURNING *;
EXECUTE router_with_param_on_non_dist_key_and_func(('test0', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test1', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test2', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test3', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test4', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test5', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test6', get_local_node_id_stable())::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('test7', get_local_node_id_stable())::user_data);
INSERT INTO user_info_data SELECT 1, ('test', i)::user_data FROM generate_series(0,7)i;
PREPARE router_with_param_on_non_dist_key(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 1 AND user_id = 1 RETURNING *;
EXECUTE router_with_param_on_non_dist_key(('test', 0)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 2)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 3)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 4)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 5)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 6)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 7)::user_data);
INSERT INTO user_info_data SELECT i, ('test', i)::user_data FROM generate_series(0,7)i;
PREPARE router_with_two_params(user_data, int) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = $2 AND user_id = $2 RETURNING
*;
EXECUTE router_with_two_params(('test', 0)::user_data, 0);
EXECUTE router_with_two_params(('test', 1)::user_data, 1);
EXECUTE router_with_two_params(('test', 2)::user_data, 2);
EXECUTE router_with_two_params(('test', 3)::user_data, 3);
EXECUTE router_with_two_params(('test', 4)::user_data, 4);
EXECUTE router_with_two_params(('test', 5)::user_data, 5);
EXECUTE router_with_two_params(('test', 6)::user_data, 6);
EXECUTE router_with_two_params(('test', 7)::user_data, 7);
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
PREPARE router_with_only_function AS DELETE FROM user_info_data WHERE get_local_node_id_stable() = 0 AND user_id = 1 AND user_id = 1 RETURNING *;
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data VALUES(1, ('test', 1)::user_data);
EXECUTE router_with_only_function;
\c - - - :worker_2_port
SET citus.log_local_commands TO ON;
SET search_path TO master_evaluation_combinations_modify;
-- returns 2 on the worker
CREATE OR REPLACE FUNCTION get_constant_stable()
RETURNS INT AS $$
BEGIN
RETURN 2;
END; $$ language plpgsql STABLE;
-- all local values
INSERT INTO user_info_data (user_id, u_data) VALUES
(3, '(''test3'', 3)'), (4, '(''test4'', 4)'), (7, '(''test7'', 7)'),
(9, '(''test9'', 9)'), (11, '(''test11'', 11)'), (12, '(''test12'', 12)'),
(14, '(''test14'', 14)'), (16, '(''test16'', 16)');
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param(int) AS DELETE FROM user_info_data WHERE user_id = $1 RETURNING *;
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(4);
execute fast_path_router_with_param(7);
execute fast_path_router_with_param(9);
execute fast_path_router_with_param(11);
execute fast_path_router_with_param(12);
execute fast_path_router_with_param(14);
execute fast_path_router_with_param(16);
INSERT INTO user_info_data (user_id, u_data) VALUES
(3, '(''test'', 2)'), (4, '(''test'', 2)'), (7, '(''test'', 2)'),
(9, '(''test'', 9)'), (11, '(''test'', 2)'), (12, '(''test'', 2)'),
(14, '(''test'', 2)'), (16, '(''test'', 2)');
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param_and_func(int) AS DELETE FROM user_info_data WHERE u_data = ('''test''', get_constant_stable())::user_data AND user_id = $1 RETURNING *;
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(4);
execute fast_path_router_with_param_and_func(7);
execute fast_path_router_with_param_and_func(9);
execute fast_path_router_with_param_and_func(11);
execute fast_path_router_with_param_and_func(12);
execute fast_path_router_with_param_and_func(14);
execute fast_path_router_with_param_and_func(16);
PREPARE fast_path_router_with_param_on_non_dist_key_and_func(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 3 RETURNING *;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)'::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
PREPARE fast_path_router_with_param_on_non_dist_key(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 3 RETURNING *;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES
(3, ('test', 2)), (4, ('test', 2)), (7, ('test', 2)),
(9, ('test', 2)), (11, ('test', 2)), (12, ('test', 2)),
(14, ('test', 2)), (16, ('test', 2));
PREPARE fast_path_router_with_two_params(user_data, int) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = $2 RETURNING *;
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 3);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 4);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 7);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 9);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 11);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 12);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 14);
EXECUTE fast_path_router_with_two_params(('test', 2)::user_data, 16);
PREPARE fast_path_router_with_only_function AS DELETE FROM user_info_data WHERE get_constant_stable() = 2AND user_id = 3 RETURNING *;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE fast_path_router_with_only_function;
-------
\c - - - :master_port
SET search_path TO master_evaluation_combinations_modify;
ALTER TABLE user_info_data ADD COLUMN user_index INT;
\c - - - :worker_2_port
SET search_path TO master_evaluation_combinations_modify;
PREPARE insert_with_function_and_param(user_data) AS INSERT INTO user_info_data VALUES (3, $1, get_local_node_id_stable()) RETURNING user_id;
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
EXECUTE insert_with_function_and_param(('test', 1)::user_data);
\c - - - :master_port
SET search_path TO master_evaluation_combinations_modify;
ALTER TABLE user_info_data DROP COLUMN user_index;
TRUNCATE user_info_data;
\c - - - :worker_2_port
SET citus.log_local_commands TO ON;
SET search_path TO master_evaluation_combinations_modify;
-- all local values
INSERT INTO user_info_data (user_id, u_data) VALUES
(3, '(''test3'', 3)'), (4, '(''test4'', 4)'), (7, '(''test7'', 7)'),
(9, '(''test9'', 9)'), (11, '(''test11'', 11)'), (12, '(''test12'', 12)'),
(14, '(''test14'', 14)'), (16, '(''test16'', 16)');
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE router_with_param(int) AS DELETE FROM user_info_data WHERE user_id = $1 AND user_id = $1 RETURNING *;
execute router_with_param(3);
execute router_with_param(4);
execute router_with_param(7);
execute router_with_param(9);
execute router_with_param(11);
execute router_with_param(12);
execute router_with_param(14);
execute router_with_param(16);
INSERT INTO user_info_data (user_id, u_data) VALUES
(3, '(''test'', 2)'), (4, '(''test'', 2)'), (7, '(''test'', 2)'),
(9, '(''test'', 9)'), (11, '(''test'', 2)'), (12, '(''test'', 2)'),
(14, '(''test'', 2)'), (16, '(''test'', 2)');
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE router_with_param_and_func(int) AS DELETE FROM user_info_data WHERE u_data = ('''test''', get_constant_stable())::user_data AND user_id = $1 AND user_id = $1 RETURNING *;
execute router_with_param_and_func(3);
execute router_with_param_and_func(4);
execute router_with_param_and_func(7);
execute router_with_param_and_func(9);
execute router_with_param_and_func(11);
execute router_with_param_and_func(12);
execute router_with_param_and_func(14);
execute router_with_param_and_func(16);
PREPARE router_with_param_on_non_dist_key_and_func(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 3 AND user_id = 3 RETURNING *;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)'::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, '(''test'', 2)');
EXECUTE router_with_param_on_non_dist_key_and_func(('''test''', get_constant_stable())::user_data);
PREPARE router_with_param_on_non_dist_key(user_data) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = 3 AND user_id = 3 RETURNING *;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 1)::user_data);
EXECUTE router_with_param_on_non_dist_key(('test', 1)::user_data);
INSERT INTO user_info_data (user_id, u_data) VALUES
(3, ('test', 2)), (4, ('test', 2)), (7, ('test', 2)),
(9, ('test', 2)), (11, ('test', 2)), (12, ('test', 2)),
(14, ('test', 2)), (16, ('test', 2));
PREPARE router_with_two_params(user_data, int) AS DELETE FROM user_info_data WHERE u_data = $1 AND user_id = $2 AND user_id = $2 RETURNING *;
EXECUTE router_with_two_params(('test', 2)::user_data, 3);
EXECUTE router_with_two_params(('test', 2)::user_data, 4);
EXECUTE router_with_two_params(('test', 2)::user_data, 7);
EXECUTE router_with_two_params(('test', 2)::user_data, 9);
EXECUTE router_with_two_params(('test', 2)::user_data, 11);
EXECUTE router_with_two_params(('test', 2)::user_data, 12);
EXECUTE router_with_two_params(('test', 2)::user_data, 14);
EXECUTE router_with_two_params(('test', 2)::user_data, 16);
PREPARE router_with_only_function AS DELETE FROM user_info_data WHERE get_constant_stable() = 2AND user_id = 3 RETURNING *;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
INSERT INTO user_info_data (user_id, u_data) VALUES (3, ('test', 2)::user_data);
EXECUTE router_with_only_function;
-- suppress notices
\c - - - :master_port
SET client_min_messages TO ERROR;
DROP SCHEMA master_evaluation_combinations_modify CASCADE;

373
src/test/regress/sql/master_evaluation_select.sql Normal file
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@ -0,0 +1,373 @@
-- This test relies on metadata being synced
-- that's why is should be executed on MX schedule
-- in this test, we are considering combinations of
-- several Citus features, and there is one prepared
-- statement for the combinations of following:
-- (a) Router Select vs Fast Path Router Select
-- (b) Local Execution vs Remote Execution
-- (c) Parameters on distribution key vs Parameters on non-dist key
-- vs Non-parametrized queries
-- (d) Master Function Evaluation Required vs
-- Master Function Evaluation Not Required
CREATE SCHEMA master_evaluation_combinations;
SET search_path TO master_evaluation_combinations;
SET citus.next_shard_id TO 1170000;
-- create a volatile function that returns the local node id
CREATE OR REPLACE FUNCTION get_local_node_id_volatile()
RETURNS INT AS $$
DECLARE localGroupId int;
BEGIN
SELECT groupid INTO localGroupId FROM pg_dist_local_group;
RETURN localGroupId;
END; $$ language plpgsql VOLATILE;
SELECT create_distributed_function('get_local_node_id_volatile()');
CREATE TYPE user_data AS (name text, age int);
SET citus.replication_model TO streaming;
SET citus.shard_replication_factor TO 1;
CREATE TABLE user_info_data (user_id int, u_data user_data);
SELECT create_distributed_table('user_info_data', 'user_id');
-- show that local id is 0, we'll use this information
SELECT get_local_node_id_volatile();
-- load data
INSERT INTO user_info_data SELECT i, ('name' || i, i % 20 + 20)::user_data FROM generate_series(0,100)i;
-- we expect that the function is evaluated on the worker node, so we should get a row
SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 1;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param(int) AS SELECT count(*) FROM user_info_data WHERE user_id = $1;
execute fast_path_router_with_param(1);
execute fast_path_router_with_param(2);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(4);
execute fast_path_router_with_param(5);
execute fast_path_router_with_param(6);
execute fast_path_router_with_param(7);
execute fast_path_router_with_param(8);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 1;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param_and_func(int) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = $1;
execute fast_path_router_with_param_and_func(1);
execute fast_path_router_with_param_and_func(2);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(4);
execute fast_path_router_with_param_and_func(5);
execute fast_path_router_with_param_and_func(6);
execute fast_path_router_with_param_and_func(7);
execute fast_path_router_with_param_and_func(8);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 1 AND u_data = ('name1', 21)::user_data;
PREPARE fast_path_router_with_param_on_non_dist_key_and_func(user_data) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 1 AND u_data = $1;
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
SELECT count(*) FROM user_info_data WHERE user_id = 1 AND u_data = ('name1', 21)::user_data;
PREPARE fast_path_router_with_param_on_non_dist_key(user_data) AS SELECT count(*) FROM user_info_data WHERE user_id = 1 AND u_data = $1;
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name1', 21)::user_data);
PREPARE fast_path_router_with_two_params(user_data, int) AS SELECT count(*) FROM user_info_data WHERE user_id = $2 AND u_data = $1;
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE fast_path_router_with_two_params(('name1', 21)::user_data, 1);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 1;
PREPARE fast_path_router_with_only_function AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 1;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = 1;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE router_with_param(int) AS SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = $1;
execute router_with_param(1);
execute router_with_param(2);
execute router_with_param(3);
execute router_with_param(4);
execute router_with_param(5);
execute router_with_param(6);
execute router_with_param(7);
execute router_with_param(8);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data m1 JOIN user_info_data m2 USING(user_id) WHERE m1.user_id = 1;
PREPARE router_with_param_and_func(int) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data m1 JOIN user_info_data m2 USING(user_id) WHERE m1.user_id = $1;
execute router_with_param_and_func(1);
execute router_with_param_and_func(2);
execute router_with_param_and_func(3);
execute router_with_param_and_func(4);
execute router_with_param_and_func(5);
execute router_with_param_and_func(6);
execute router_with_param_and_func(7);
execute router_with_param_and_func(8);
-- same query as router_with_param, but with consts
SELECT get_local_node_id_volatile() > 0 FROM user_info_data m1 JOIN user_info_data m2 USING(user_id) WHERE m1.user_id = 1;
PREPARE router_with_param_on_non_dist_key(user_data) AS SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 1 AND u1.u_data = $1;
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name1', 21)::user_data);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 1 AND u1.u_data = ('name1', 21)::user_data;
PREPARE router_with_param_on_non_dist_key_and_func(user_data) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 1 AND u1.u_data = $1;
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name1', 21)::user_data);
SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = 1 AND u1.u_data = ('name1', 21)::user_data;
PREPARE router_with_two_params(user_data, int) AS SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = $2 AND u1.u_data = $1;
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
EXECUTE router_with_two_params(('name1', 21)::user_data, 1);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING(user_id) WHERE user_id = 1;
PREPARE router_with_only_function AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING(user_id) WHERE user_id = 1;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
\c - - - :worker_2_port
SET citus.log_local_commands TO ON;
SET search_path TO master_evaluation_combinations;
-- show that the data with user_id = 3 is local
SELECT count(*) FROM user_info_data WHERE user_id = 3;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param(int) AS SELECT count(*) FROM user_info_data WHERE user_id = $1;
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
execute fast_path_router_with_param(3);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 3;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE fast_path_router_with_param_and_func(int) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = $1;
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(3);
execute fast_path_router_with_param_and_func(8);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 3 AND u_data = ('name3', 23)::user_data;
PREPARE fast_path_router_with_param_on_non_dist_key_and_func(user_data) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 3 AND u_data = $1;
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
SELECT count(*) FROM user_info_data WHERE user_id = 3 AND u_data = ('name3', 23)::user_data;
PREPARE fast_path_router_with_param_on_non_dist_key(user_data) AS SELECT count(*) FROM user_info_data WHERE user_id = 3 AND u_data = $1;
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE fast_path_router_with_param_on_non_dist_key(('name3', 23)::user_data);
PREPARE fast_path_router_with_only_function AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data WHERE user_id = 3;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
EXECUTE fast_path_router_with_only_function;
SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = 3;
-- make sure that it is also true for fast-path router queries with paramaters
PREPARE router_with_param(int) AS SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = $1;
execute router_with_param(3);
execute router_with_param(3);
execute router_with_param(3);
execute router_with_param(3);
execute router_with_param(3);
execute router_with_param(3);
execute router_with_param(3);
execute router_with_param(3);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data m1 JOIN user_info_data m2 USING(user_id) WHERE m1.user_id = 3;
PREPARE router_with_param_and_func(int) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data m1 JOIN user_info_data m2 USING(user_id) WHERE m1.user_id = $1;
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
execute router_with_param_and_func(3);
-- same query as router_with_param, but with consts
SELECT get_local_node_id_volatile() > 0 FROM user_info_data m1 JOIN user_info_data m2 USING(user_id) WHERE m1.user_id = 3;
SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 3 AND u1.u_data = ('name3', 23)::user_data;
SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 3 AND u1.u_data = ('name3', 23)::user_data;
PREPARE router_with_param_on_non_dist_key(user_data) AS SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 3 AND u1.u_data = $1;
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key(('name3', 23)::user_data);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 3 AND u1.u_data = ('name3', 23)::user_data;
PREPARE router_with_param_on_non_dist_key_and_func(user_data) AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE u1.user_id = 3 AND u1.u_data = $1;
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
EXECUTE router_with_param_on_non_dist_key_and_func(('name3', 23)::user_data);
SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = 3 AND u1.u_data = ('name3', 23)::user_data;
PREPARE router_with_two_params(user_data, int) AS SELECT count(*) FROM user_info_data u1 JOIN user_info_data u2 USING (user_id) WHERE user_id = $2 AND u1.u_data = $1;
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
EXECUTE router_with_two_params(('name3', 23)::user_data, 3);
SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING(user_id) WHERE user_id = 3;
PREPARE router_with_only_function AS SELECT get_local_node_id_volatile() > 0 FROM user_info_data u1 JOIN user_info_data u2 USING(user_id) WHERE user_id = 3;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
EXECUTE router_with_only_function;
-- suppress notices
\c - - - :master_port
SET client_min_messages TO ERROR;
DROP SCHEMA master_evaluation_combinations CASCADE;