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POC fix of issu

example-fix-logical-rep-cleanup
Jelte Fennema 2022-09-09 13:19:04 +02:00
parent 1c5b8588fe
commit cc1c09050e
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4 changed files with 5 additions and 4 deletions
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3
src/backend/distributed/operations/repair_shards.c
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@ -1181,6 +1181,9 @@ CopyShardTablesViaLogicalReplication(List *shardIntervalList, char *sourceNodeNa
int32 sourceNodePort, char *targetNodeName,
int32 targetNodePort)
{
AcquireLogicalReplicationLock();
DropAllLogicalReplicationLeftovers(SHARD_MOVE);
MemoryContext localContext = AllocSetContextCreate(CurrentMemoryContext,
"CopyShardTablesViaLogicalReplication",
ALLOCSET_DEFAULT_SIZES);

3
src/backend/distributed/replication/multi_logical_replication.c
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@ -184,7 +184,6 @@ void
LogicallyReplicateShards(List *shardList, char *sourceNodeName, int sourceNodePort,
char *targetNodeName, int targetNodePort)
{
AcquireLogicalReplicationLock();
char *superUser = CitusExtensionOwnerName();
char *databaseName = get_database_name(MyDatabaseId);
int connectionFlags = FORCE_NEW_CONNECTION;
@ -196,8 +195,6 @@ LogicallyReplicateShards(List *shardList, char *sourceNodeName, int sourceNodePo
return;
}
DropAllLogicalReplicationLeftovers(SHARD_MOVE);
MultiConnection *sourceConnection =
GetNodeUserDatabaseConnection(connectionFlags, sourceNodeName, sourceNodePort,
superUser, databaseName);

2
src/test/regress/sql/failure_online_move_shard_placement.sql
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@ -90,7 +90,7 @@ SELECT citus.mitmproxy('conn.onQuery(query="^ALTER SUBSCRIPTION .* DISABLE").can
SELECT master_move_shard_placement(101, 'localhost', :worker_1_port, 'localhost', :worker_2_proxy_port);
-- failure on dropping subscription
SELECT citus.mitmproxy('conn.onQuery(query="^DROP SUBSCRIPTION").kill()');
SELECT citus.mitmproxy('conn.onQuery(query="ENABLE SUBSCRIPTION|DROP SUBSCRIPTION").kill()');
SELECT master_move_shard_placement(101, 'localhost', :worker_1_port, 'localhost', :worker_2_proxy_port);
-- cancellation on dropping subscription

1
src/test/regress/sql/logical_replication.sql
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@ -33,6 +33,7 @@ CREATE SUBSCRIPTION citus_shard_move_subscription_:postgres_oid
CONNECTION :connection_string
PUBLICATION citus_shard_move_publication_:postgres_oid
WITH (enabled=false, slot_name=citus_shard_move_slot_:postgres_oid);
DROP TABLE dist_6830000;
SELECT count(*) from pg_subscription;