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pull/5678/head
Onder Kalaci 2022-02-04 10:52:40 +01:00
parent 923bb194a4
commit 72d7d92611
4 changed files with 13 additions and 5 deletions
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6
src/backend/distributed/commands/truncate.c
View File

@ -437,8 +437,12 @@ AcquireDistributedLockOnRelations(List *relationIdList, LOCKMODE lockMode)
/*
* We only acquire distributed lock on relation if
* the relation is sync'ed between mx nodes.
*
* Even if users disable metadata sync, we cannot
* allow them not to acquire the remote locks.
* Hence, we have !IsCoordinator() check.
*/
if (ShouldSyncTableMetadata(relationId))
if (ShouldSyncTableMetadata(relationId) || !IsCoordinator())
{
char *qualifiedRelationName = generate_qualified_relation_name(relationId);
StringInfo lockRelationCommand = makeStringInfo();

6
src/backend/distributed/operations/repair_shards.c
View File

@ -556,8 +556,12 @@ BlockWritesToShardList(List *shardList)
Oid firstDistributedTableId = firstShardInterval->relationId;
bool shouldSyncMetadata = ShouldSyncTableMetadata(firstDistributedTableId);
if (shouldSyncMetadata)
if (shouldSyncMetadata || !IsCoordinator())
{
/*
* Even if users disable metadata sync, we cannot allow them not to
* acquire the remote locks. Hence, we have !IsCoordinator() check.
*/
LockShardListMetadataOnWorkers(ExclusiveLock, shardList);
}
}

4
src/test/regress/expected/isolation_replicate_reference_tables_to_coordinator.out
View File

@ -103,8 +103,8 @@ step s2-view-worker:
query |query_hostname |query_hostport|distributed_query_host_name|distributed_query_host_port|state |wait_event_type|wait_event|usename |datname
---------------------------------------------------------------------
UPDATE public.ref_table_1500803 ref_table SET a = (a OPERATOR(pg_catalog.+) 1)|localhost | 57638|coordinator_host | 57636|idle in transaction|Client |ClientRead|postgres|regression
UPDATE public.ref_table_1500803 ref_table SET a = (a OPERATOR(pg_catalog.+) 1)|localhost | 57637|coordinator_host | 57636|idle in transaction|Client |ClientRead|postgres|regression
UPDATE public.ref_table_1500767 ref_table SET a = (a OPERATOR(pg_catalog.+) 1)|localhost | 57638|coordinator_host | 57636|idle in transaction|Client |ClientRead|postgres|regression
UPDATE public.ref_table_1500767 ref_table SET a = (a OPERATOR(pg_catalog.+) 1)|localhost | 57637|coordinator_host | 57636|idle in transaction|Client |ClientRead|postgres|regression
(2 rows)
step s2-end:

2
src/test/regress/isolation_schedule
View File

@ -89,11 +89,11 @@ test: isolation_ref_update_delete_upsert_vs_all_on_mx
test: isolation_dis2ref_foreign_keys_on_mx
test: isolation_metadata_sync_deadlock
test: isolation_replicated_dist_on_mx
test: isolation_replicate_reference_tables_to_coordinator
test: isolation_multiuser_locking
# MXless tests
test: isolation_check_mx
test: isolation_replicate_reference_tables_to_coordinator
test: isolation_turn_mx_off
test: isolation_reference_copy_vs_all
test: isolation_ref2ref_foreign_keys