mirror of https://github.com/citusdata/citus.git
Make truncate triggers propagated on start_metadata_sync_to_node call
Eren Basak
parent
4fd086f0af
commit
5e96e4f60e
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@ -9,7 +9,7 @@ EXTVERSIONS = 5.0 5.0-1 5.0-2 \
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5.1-1 5.1-2 5.1-3 5.1-4 5.1-5 5.1-6 5.1-7 5.1-8 \
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5.2-1 5.2-2 5.2-3 5.2-4 \
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6.0-1 6.0-2 6.0-3 6.0-4 6.0-5 6.0-6 6.0-7 6.0-8 6.0-9 6.0-10 6.0-11 6.0-12 6.0-13 6.0-14 6.0-15 6.0-16 6.0-17 6.0-18 \
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6.1-1
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6.1-1 6.1-2
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# All citus--*.sql files in the source directory
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DATA = $(patsubst $(citus_abs_srcdir)/%.sql,%.sql,$(wildcard $(citus_abs_srcdir)/$(EXTENSION)--*--*.sql))
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@ -97,6 +97,8 @@ $(EXTENSION)--6.0-18.sql: $(EXTENSION)--6.0-17.sql $(EXTENSION)--6.0-17--6.0-18.
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cat $^ > $@
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$(EXTENSION)--6.1-1.sql: $(EXTENSION)--6.0-18.sql $(EXTENSION)--6.0-18--6.1-1.sql
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cat $^ > $@
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$(EXTENSION)--6.1-2.sql: $(EXTENSION)--6.1-1.sql $(EXTENSION)--6.1-1--6.1-2.sql
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cat $^ > $@
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NO_PGXS = 1
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@ -0,0 +1,12 @@
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/* citus--6.1-1--6.1-2.sql */
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SET search_path = 'pg_catalog';
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CREATE FUNCTION worker_create_truncate_trigger(table_name regclass)
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RETURNS VOID
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LANGUAGE C STRICT
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AS 'MODULE_PATHNAME', $$worker_create_truncate_trigger$$;
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COMMENT ON FUNCTION worker_create_truncate_trigger(tablename regclass)
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IS 'create truncate trigger for distributed table';
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RESET search_path;
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@ -1,6 +1,6 @@
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# Citus extension
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comment = 'Citus distributed database'
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default_version = '6.1-1'
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default_version = '6.1-2'
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module_pathname = '$libdir/citus'
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relocatable = false
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schema = pg_catalog
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@ -76,7 +76,6 @@ static void ErrorIfNotSupportedForeignConstraint(Relation relation,
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uint32 colocationId);
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static void InsertIntoPgDistPartition(Oid relationId, char distributionMethod,
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Var *distributionColumn, uint32 colocationId);
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static void CreateTruncateTrigger(Oid relationId);
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static uint32 ColocationId(int shardCount, int replicationFactor,
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Oid distributionColumnType);
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static uint32 GetNextColocationId(void);
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@ -823,7 +822,7 @@ LocalTableEmpty(Oid tableId)
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* CreateTruncateTrigger creates a truncate trigger on table identified by relationId
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* and assigns citus_truncate_trigger() as handler.
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*/
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static void
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void
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CreateTruncateTrigger(Oid relationId)
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{
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CreateTrigStmt *trigger = NULL;
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@ -44,6 +44,7 @@
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static char * LocalGroupIdUpdateCommand(uint32 groupId);
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static void MarkNodeHasMetadata(char *nodeName, int32 nodePort);
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static char * TruncateTriggerCreateCommand(Oid relationId);
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PG_FUNCTION_INFO_V1(start_metadata_sync_to_node);
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@ -485,6 +486,7 @@ GetDistributedTableDDLEvents(DistTableCacheEntry *cacheEntry)
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{
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char *ownerResetCommand = NULL;
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char *metadataCommand = NULL;
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char *truncateTriggerCreateCommand = NULL;
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Oid relationId = cacheEntry->relationId;
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List *commandList = GetTableDDLEvents(relationId);
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@ -495,6 +497,9 @@ GetDistributedTableDDLEvents(DistTableCacheEntry *cacheEntry)
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metadataCommand = DistributionCreateCommand(cacheEntry);
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commandList = lappend(commandList, metadataCommand);
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truncateTriggerCreateCommand = TruncateTriggerCreateCommand(relationId);
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commandList = lappend(commandList, truncateTriggerCreateCommand);
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return commandList;
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}
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@ -570,3 +575,21 @@ MarkNodeHasMetadata(char *nodeName, int32 nodePort)
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systable_endscan(scanDescriptor);
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heap_close(pgDistNode, NoLock);
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}
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/*
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* TruncateTriggerCreateCommand creates a SQL query calling worker_create_truncate_trigger
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* function, which creates the truncate trigger on the worker.
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*/
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static char *
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TruncateTriggerCreateCommand(Oid relationId)
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{
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StringInfo triggerCreateCommand = makeStringInfo();
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char *tableName = generate_qualified_relation_name(relationId);
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appendStringInfo(triggerCreateCommand,
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"SELECT worker_create_truncate_trigger(%s)",
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quote_literal_cstr(tableName));
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return triggerCreateCommand->data;
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}
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@ -0,0 +1,46 @@
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/*-------------------------------------------------------------------------
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*
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* worker_create_truncate_trigger_protocol.c
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*
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* Routines for creating truncate triggers on distributed tables on worker nodes.
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*
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* Copyright (c) 2016, Citus Data, Inc.
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*
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* $Id$
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "fmgr.h"
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#include "distributed/citus_ruleutils.h"
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#include "distributed/master_metadata_utility.h"
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#include "distributed/metadata_cache.h"
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#include "distributed/metadata_sync.h"
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#include "utils/elog.h"
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#include "utils/fmgroids.h"
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#include "utils/lsyscache.h"
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PG_FUNCTION_INFO_V1(worker_create_truncate_trigger);
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/*
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* worker_create_truncate_trigger creates a truncate trigger for the given distributed
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* table on current metadata worker. The function is intented to be called by the
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* coordinator node during metadata propagation of mx tables or during the upgrades from
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* citus version <=5.2 to >=6.1. The function requires superuser permissions.
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*/
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Datum
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worker_create_truncate_trigger(PG_FUNCTION_ARGS)
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{
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Oid relationId = PG_GETARG_OID(0);
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EnsureSuperUser();
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/* Create the truncate trigger */
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CreateTruncateTrigger(relationId);
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PG_RETURN_VOID();
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}
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@ -80,6 +80,7 @@ extern void DeleteShardRow(uint64 shardId);
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extern void UpdateShardPlacementState(uint64 placementId, char shardState);
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extern uint64 DeleteShardPlacementRow(uint64 shardId, char *workerName, uint32
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workerPort);
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extern void CreateTruncateTrigger(Oid relationId);
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/* Remaining metadata utility functions */
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extern char * TableOwner(Oid relationId);
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@ -59,6 +59,7 @@ ALTER EXTENSION citus UPDATE TO '6.0-16';
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ALTER EXTENSION citus UPDATE TO '6.0-17';
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ALTER EXTENSION citus UPDATE TO '6.0-18';
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ALTER EXTENSION citus UPDATE TO '6.1-1';
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ALTER EXTENSION citus UPDATE TO '6.1-2';
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-- ensure no objects were created outside pg_catalog
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SELECT COUNT(*)
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FROM pg_depend AS pgd,
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@ -61,9 +61,10 @@ SELECT unnest(master_metadata_snapshot());
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ALTER TABLE public.mx_test_table ADD CONSTRAINT mx_test_table_col_1_key UNIQUE (col_1)
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ALTER TABLE public.mx_test_table OWNER TO postgres
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INSERT INTO pg_dist_partition (logicalrelid, partmethod, partkey, colocationid, repmodel) VALUES ('public.mx_test_table'::regclass, 'h', column_name_to_column('public.mx_test_table','col_1'), 0, 's')
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SELECT worker_create_truncate_trigger('public.mx_test_table')
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INSERT INTO pg_dist_shard_placement (shardid, shardstate, shardlength, nodename, nodeport, placementid) VALUES (1310000, 1, 0, 'localhost', 57637, 100000),(1310001, 1, 0, 'localhost', 57638, 100001),(1310002, 1, 0, 'localhost', 57637, 100002),(1310003, 1, 0, 'localhost', 57638, 100003),(1310004, 1, 0, 'localhost', 57637, 100004),(1310005, 1, 0, 'localhost', 57638, 100005),(1310006, 1, 0, 'localhost', 57637, 100006),(1310007, 1, 0, 'localhost', 57638, 100007)
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INSERT INTO pg_dist_shard (logicalrelid, shardid, shardstorage, shardminvalue, shardmaxvalue) VALUES ('public.mx_test_table'::regclass, 1310000, 't', '-2147483648', '-1610612737'),('public.mx_test_table'::regclass, 1310001, 't', '-1610612736', '-1073741825'),('public.mx_test_table'::regclass, 1310002, 't', '-1073741824', '-536870913'),('public.mx_test_table'::regclass, 1310003, 't', '-536870912', '-1'),('public.mx_test_table'::regclass, 1310004, 't', '0', '536870911'),('public.mx_test_table'::regclass, 1310005, 't', '536870912', '1073741823'),('public.mx_test_table'::regclass, 1310006, 't', '1073741824', '1610612735'),('public.mx_test_table'::regclass, 1310007, 't', '1610612736', '2147483647')
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(10 rows)
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(11 rows)
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-- Show that CREATE INDEX commands are included in the metadata snapshot
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CREATE INDEX mx_index ON mx_test_table(col_2);
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@ -81,9 +82,10 @@ SELECT unnest(master_metadata_snapshot());
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ALTER TABLE public.mx_test_table ADD CONSTRAINT mx_test_table_col_1_key UNIQUE (col_1)
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ALTER TABLE public.mx_test_table OWNER TO postgres
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INSERT INTO pg_dist_partition (logicalrelid, partmethod, partkey, colocationid, repmodel) VALUES ('public.mx_test_table'::regclass, 'h', column_name_to_column('public.mx_test_table','col_1'), 0, 's')
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SELECT worker_create_truncate_trigger('public.mx_test_table')
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INSERT INTO pg_dist_shard_placement (shardid, shardstate, shardlength, nodename, nodeport, placementid) VALUES (1310000, 1, 0, 'localhost', 57637, 100000),(1310001, 1, 0, 'localhost', 57638, 100001),(1310002, 1, 0, 'localhost', 57637, 100002),(1310003, 1, 0, 'localhost', 57638, 100003),(1310004, 1, 0, 'localhost', 57637, 100004),(1310005, 1, 0, 'localhost', 57638, 100005),(1310006, 1, 0, 'localhost', 57637, 100006),(1310007, 1, 0, 'localhost', 57638, 100007)
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INSERT INTO pg_dist_shard (logicalrelid, shardid, shardstorage, shardminvalue, shardmaxvalue) VALUES ('public.mx_test_table'::regclass, 1310000, 't', '-2147483648', '-1610612737'),('public.mx_test_table'::regclass, 1310001, 't', '-1610612736', '-1073741825'),('public.mx_test_table'::regclass, 1310002, 't', '-1073741824', '-536870913'),('public.mx_test_table'::regclass, 1310003, 't', '-536870912', '-1'),('public.mx_test_table'::regclass, 1310004, 't', '0', '536870911'),('public.mx_test_table'::regclass, 1310005, 't', '536870912', '1073741823'),('public.mx_test_table'::regclass, 1310006, 't', '1073741824', '1610612735'),('public.mx_test_table'::regclass, 1310007, 't', '1610612736', '2147483647')
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(11 rows)
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(12 rows)
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-- Show that schema changes are included in the metadata snapshot
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CREATE SCHEMA mx_testing_schema;
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@ -103,9 +105,10 @@ SELECT unnest(master_metadata_snapshot());
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ALTER TABLE mx_testing_schema.mx_test_table ADD CONSTRAINT mx_test_table_col_1_key UNIQUE (col_1)
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ALTER TABLE mx_testing_schema.mx_test_table OWNER TO postgres
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INSERT INTO pg_dist_partition (logicalrelid, partmethod, partkey, colocationid, repmodel) VALUES ('mx_testing_schema.mx_test_table'::regclass, 'h', column_name_to_column('mx_testing_schema.mx_test_table','col_1'), 0, 's')
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SELECT worker_create_truncate_trigger('mx_testing_schema.mx_test_table')
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INSERT INTO pg_dist_shard_placement (shardid, shardstate, shardlength, nodename, nodeport, placementid) VALUES (1310000, 1, 0, 'localhost', 57637, 100000),(1310001, 1, 0, 'localhost', 57638, 100001),(1310002, 1, 0, 'localhost', 57637, 100002),(1310003, 1, 0, 'localhost', 57638, 100003),(1310004, 1, 0, 'localhost', 57637, 100004),(1310005, 1, 0, 'localhost', 57638, 100005),(1310006, 1, 0, 'localhost', 57637, 100006),(1310007, 1, 0, 'localhost', 57638, 100007)
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INSERT INTO pg_dist_shard (logicalrelid, shardid, shardstorage, shardminvalue, shardmaxvalue) VALUES ('mx_testing_schema.mx_test_table'::regclass, 1310000, 't', '-2147483648', '-1610612737'),('mx_testing_schema.mx_test_table'::regclass, 1310001, 't', '-1610612736', '-1073741825'),('mx_testing_schema.mx_test_table'::regclass, 1310002, 't', '-1073741824', '-536870913'),('mx_testing_schema.mx_test_table'::regclass, 1310003, 't', '-536870912', '-1'),('mx_testing_schema.mx_test_table'::regclass, 1310004, 't', '0', '536870911'),('mx_testing_schema.mx_test_table'::regclass, 1310005, 't', '536870912', '1073741823'),('mx_testing_schema.mx_test_table'::regclass, 1310006, 't', '1073741824', '1610612735'),('mx_testing_schema.mx_test_table'::regclass, 1310007, 't', '1610612736', '2147483647')
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(12 rows)
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(13 rows)
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-- Show that append distributed tables are not included in the metadata snapshot
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CREATE TABLE non_mx_test_table (col_1 int, col_2 text);
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@ -129,9 +132,10 @@ SELECT unnest(master_metadata_snapshot());
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ALTER TABLE mx_testing_schema.mx_test_table ADD CONSTRAINT mx_test_table_col_1_key UNIQUE (col_1)
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ALTER TABLE mx_testing_schema.mx_test_table OWNER TO postgres
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INSERT INTO pg_dist_partition (logicalrelid, partmethod, partkey, colocationid, repmodel) VALUES ('mx_testing_schema.mx_test_table'::regclass, 'h', column_name_to_column('mx_testing_schema.mx_test_table','col_1'), 0, 's')
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SELECT worker_create_truncate_trigger('mx_testing_schema.mx_test_table')
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INSERT INTO pg_dist_shard_placement (shardid, shardstate, shardlength, nodename, nodeport, placementid) VALUES (1310000, 1, 0, 'localhost', 57637, 100000),(1310001, 1, 0, 'localhost', 57638, 100001),(1310002, 1, 0, 'localhost', 57637, 100002),(1310003, 1, 0, 'localhost', 57638, 100003),(1310004, 1, 0, 'localhost', 57637, 100004),(1310005, 1, 0, 'localhost', 57638, 100005),(1310006, 1, 0, 'localhost', 57637, 100006),(1310007, 1, 0, 'localhost', 57638, 100007)
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INSERT INTO pg_dist_shard (logicalrelid, shardid, shardstorage, shardminvalue, shardmaxvalue) VALUES ('mx_testing_schema.mx_test_table'::regclass, 1310000, 't', '-2147483648', '-1610612737'),('mx_testing_schema.mx_test_table'::regclass, 1310001, 't', '-1610612736', '-1073741825'),('mx_testing_schema.mx_test_table'::regclass, 1310002, 't', '-1073741824', '-536870913'),('mx_testing_schema.mx_test_table'::regclass, 1310003, 't', '-536870912', '-1'),('mx_testing_schema.mx_test_table'::regclass, 1310004, 't', '0', '536870911'),('mx_testing_schema.mx_test_table'::regclass, 1310005, 't', '536870912', '1073741823'),('mx_testing_schema.mx_test_table'::regclass, 1310006, 't', '1073741824', '1610612735'),('mx_testing_schema.mx_test_table'::regclass, 1310007, 't', '1610612736', '2147483647')
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(12 rows)
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(13 rows)
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-- Show that range distributed tables are not included in the metadata snapshot
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UPDATE pg_dist_partition SET partmethod='r' WHERE logicalrelid='non_mx_test_table'::regclass;
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@ -148,9 +152,10 @@ SELECT unnest(master_metadata_snapshot());
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ALTER TABLE mx_testing_schema.mx_test_table ADD CONSTRAINT mx_test_table_col_1_key UNIQUE (col_1)
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ALTER TABLE mx_testing_schema.mx_test_table OWNER TO postgres
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INSERT INTO pg_dist_partition (logicalrelid, partmethod, partkey, colocationid, repmodel) VALUES ('mx_testing_schema.mx_test_table'::regclass, 'h', column_name_to_column('mx_testing_schema.mx_test_table','col_1'), 0, 's')
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SELECT worker_create_truncate_trigger('mx_testing_schema.mx_test_table')
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INSERT INTO pg_dist_shard_placement (shardid, shardstate, shardlength, nodename, nodeport, placementid) VALUES (1310000, 1, 0, 'localhost', 57637, 100000),(1310001, 1, 0, 'localhost', 57638, 100001),(1310002, 1, 0, 'localhost', 57637, 100002),(1310003, 1, 0, 'localhost', 57638, 100003),(1310004, 1, 0, 'localhost', 57637, 100004),(1310005, 1, 0, 'localhost', 57638, 100005),(1310006, 1, 0, 'localhost', 57637, 100006),(1310007, 1, 0, 'localhost', 57638, 100007)
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INSERT INTO pg_dist_shard (logicalrelid, shardid, shardstorage, shardminvalue, shardmaxvalue) VALUES ('mx_testing_schema.mx_test_table'::regclass, 1310000, 't', '-2147483648', '-1610612737'),('mx_testing_schema.mx_test_table'::regclass, 1310001, 't', '-1610612736', '-1073741825'),('mx_testing_schema.mx_test_table'::regclass, 1310002, 't', '-1073741824', '-536870913'),('mx_testing_schema.mx_test_table'::regclass, 1310003, 't', '-536870912', '-1'),('mx_testing_schema.mx_test_table'::regclass, 1310004, 't', '0', '536870911'),('mx_testing_schema.mx_test_table'::regclass, 1310005, 't', '536870912', '1073741823'),('mx_testing_schema.mx_test_table'::regclass, 1310006, 't', '1073741824', '1610612735'),('mx_testing_schema.mx_test_table'::regclass, 1310007, 't', '1610612736', '2147483647')
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(12 rows)
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(13 rows)
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-- Test start_metadata_sync_to_node UDF
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-- Ensure that hasmetadata=false for all nodes
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@ -163,7 +168,7 @@ SELECT count(*) FROM pg_dist_node WHERE hasmetadata=true;
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-- Run start_metadata_sync_to_node and check that it marked hasmetadata for that worker
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SELECT start_metadata_sync_to_node('localhost', :worker_1_port);
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start_metadata_sync_to_node
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-----------------------
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-----------------------------
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(1 row)
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@ -237,17 +242,24 @@ SELECT * FROM pg_dist_colocation ORDER BY colocationid;
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--------------+------------+-------------------+------------------------
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(0 rows)
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-- Make sure that truncate trigger has been set for the MX table on worker
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SELECT count(*) FROM pg_trigger WHERE tgrelid='mx_testing_schema.mx_test_table'::regclass;
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count
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-------
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1
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(1 row)
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-- Check that repeated calls to start_metadata_sync_to_node has no side effects
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\c - - - :master_port
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SELECT start_metadata_sync_to_node('localhost', :worker_1_port);
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start_metadata_sync_to_node
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-----------------------
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-----------------------------
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(1 row)
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SELECT start_metadata_sync_to_node('localhost', :worker_1_port);
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start_metadata_sync_to_node
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-----------------------
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-----------------------------
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(1 row)
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@ -308,6 +320,12 @@ Indexes:
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"mx_test_table_col_1_key" UNIQUE CONSTRAINT, btree (col_1)
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"mx_index" btree (col_2)
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SELECT count(*) FROM pg_trigger WHERE tgrelid='mx_testing_schema.mx_test_table'::regclass;
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count
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-------
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1
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(1 row)
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-- Make sure that start_metadata_sync_to_node cannot be called inside a transaction
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\c - - - :master_port
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BEGIN;
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|
@ -59,6 +59,7 @@ ALTER EXTENSION citus UPDATE TO '6.0-16';
|
|||
ALTER EXTENSION citus UPDATE TO '6.0-17';
|
||||
ALTER EXTENSION citus UPDATE TO '6.0-18';
|
||||
ALTER EXTENSION citus UPDATE TO '6.1-1';
|
||||
ALTER EXTENSION citus UPDATE TO '6.1-2';
|
||||
|
||||
-- ensure no objects were created outside pg_catalog
|
||||
SELECT COUNT(*)
|
||||
|
|
|
|||
|
|
@ -80,6 +80,9 @@ SELECT * FROM pg_dist_shard_placement ORDER BY shardid;
|
|||
-- Check that pg_dist_colocation is not synced
|
||||
SELECT * FROM pg_dist_colocation ORDER BY colocationid;
|
||||
|
||||
-- Make sure that truncate trigger has been set for the MX table on worker
|
||||
SELECT count(*) FROM pg_trigger WHERE tgrelid='mx_testing_schema.mx_test_table'::regclass;
|
||||
|
||||
-- Check that repeated calls to start_metadata_sync_to_node has no side effects
|
||||
\c - - - :master_port
|
||||
SELECT start_metadata_sync_to_node('localhost', :worker_1_port);
|
||||
|
|
@ -91,6 +94,7 @@ SELECT * FROM pg_dist_partition ORDER BY logicalrelid;
|
|||
SELECT * FROM pg_dist_shard ORDER BY shardid;
|
||||
SELECT * FROM pg_dist_shard_placement ORDER BY shardid;
|
||||
\d mx_testing_schema.mx_test_table
|
||||
SELECT count(*) FROM pg_trigger WHERE tgrelid='mx_testing_schema.mx_test_table'::regclass;
|
||||
|
||||
-- Make sure that start_metadata_sync_to_node cannot be called inside a transaction
|
||||
\c - - - :master_port
|
||||
|
|
|
|||
Loading…
Reference in New Issue