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Handle no replica identity index case in RelationGetIdentityKeyBitmap. 

Commit e7eea52b2d has introduced a new function
RelationGetIdentityKeyBitmap which omits to handle the case where there is
no replica identity index on a relation.

Author: Mark Dilger
Reviewed-by: Takamichi Osumi, Amit Kapila
Discussion: https://www.postgresql.org/message-id/4C99A862-69C8-431F-960A-81B1151F1B89@enterprisedb.com
This commit is contained in:
Amit Kapila 2021-06-19 11:30:33 +05:30
parent 3499df0dee
commit 2731ce1bd5
2 changed files with 26 additions and 3 deletions
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12
src/backend/utils/cache/relcache.c vendored
View File

@ -5266,8 +5266,18 @@ RelationGetIdentityKeyBitmap(Relation relation)
if (indexoidlist == NIL)
return NULL;
/* Add referenced attributes to idindexattrs */
/* Fall out if there is no replica identity index */
if (!OidIsValid(relation->rd_replidindex))
return NULL;
/* Look up the description for the replica identity index */
indexDesc = RelationIdGetRelation(relation->rd_replidindex);
if (!RelationIsValid(indexDesc))
elog(ERROR, "could not open relation with OID %u",
relation->rd_replidindex);
/* Add referenced attributes to idindexattrs */
for (i = 0; i < indexDesc->rd_index->indnatts; i++)
{
int attrnum = indexDesc->rd_index->indkey.values[i];

17
src/test/subscription/t/001_rep_changes.pl
View File

@ -6,7 +6,7 @@ use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 31;
use Test::More tests => 32;
# Initialize publisher node
my $node_publisher = get_new_node('publisher');
@ -50,6 +50,10 @@ $node_publisher->safe_psql('postgres', "CREATE TABLE tab_nothing (a int)");
$node_publisher->safe_psql('postgres',
"ALTER TABLE tab_nothing REPLICA IDENTITY NOTHING");
# Replicate the changes without replica identity index
$node_publisher->safe_psql('postgres', "CREATE TABLE tab_no_replidentity_index(c1 int)");
$node_publisher->safe_psql('postgres', "CREATE INDEX idx_no_replidentity_index ON tab_no_replidentity_index(c1)");
# Setup structure on subscriber
$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_notrep (a int)");
$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_ins (a int)");
@ -73,13 +77,17 @@ $node_subscriber->safe_psql('postgres',
"CREATE TABLE tab_include (a int, b text, CONSTRAINT covering PRIMARY KEY(a) INCLUDE(b))"
);
# replication of the table without replica identity index
$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_no_replidentity_index(c1 int)");
$node_subscriber->safe_psql('postgres', "CREATE INDEX idx_no_replidentity_index ON tab_no_replidentity_index(c1)");
# Setup logical replication
my $publisher_connstr = $node_publisher->connstr . ' dbname=postgres';
$node_publisher->safe_psql('postgres', "CREATE PUBLICATION tap_pub");
$node_publisher->safe_psql('postgres',
"CREATE PUBLICATION tap_pub_ins_only WITH (publish = insert)");
$node_publisher->safe_psql('postgres',
"ALTER PUBLICATION tap_pub ADD TABLE tab_rep, tab_full, tab_full2, tab_mixed, tab_include, tab_nothing, tab_full_pk"
"ALTER PUBLICATION tap_pub ADD TABLE tab_rep, tab_full, tab_full2, tab_mixed, tab_include, tab_nothing, tab_full_pk, tab_no_replidentity_index"
);
$node_publisher->safe_psql('postgres',
"ALTER PUBLICATION tap_pub_ins_only ADD TABLE tab_ins");
@ -129,6 +137,8 @@ $node_publisher->safe_psql('postgres',
"DELETE FROM tab_include WHERE a > 20");
$node_publisher->safe_psql('postgres', "UPDATE tab_include SET a = -a");
$node_publisher->safe_psql('postgres', "INSERT INTO tab_no_replidentity_index VALUES(1)");
$node_publisher->wait_for_catchup('tap_sub');
$result = $node_subscriber->safe_psql('postgres',
@ -152,6 +162,9 @@ $result = $node_subscriber->safe_psql('postgres',
is($result, qq(20|-20|-1),
'check replicated changes with primary key index with included columns');
is($node_subscriber->safe_psql('postgres', q(SELECT c1 FROM tab_no_replidentity_index)),
1, "value replicated to subscriber without replica identity index");
# insert some duplicate rows
$node_publisher->safe_psql('postgres',
"INSERT INTO tab_full SELECT generate_series(1,10)");