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-rw-r--r--src/backend/executor/execReplication.c10
-rw-r--r--src/test/subscription/t/100_bugs.pl56
2 files changed, 63 insertions, 3 deletions
diff --git a/src/backend/executor/execReplication.c b/src/backend/executor/execReplication.c
index 16cab1db725..6c3a93bd3b2 100644
--- a/src/backend/executor/execReplication.c
+++ b/src/backend/executor/execReplication.c
@@ -243,6 +243,14 @@ tuples_equal(TupleTableSlot *slot1, TupleTableSlot *slot2,
Form_pg_attribute att;
TypeCacheEntry *typentry;
+ att = TupleDescAttr(slot1->tts_tupleDescriptor, attrnum);
+
+ /*
+ * Ignore dropped columns as the publisher doesn't send those
+ */
+ if (att->attisdropped)
+ continue;
+
/*
* If one value is NULL and other is not, then they are certainly not
* equal
@@ -256,8 +264,6 @@ tuples_equal(TupleTableSlot *slot1, TupleTableSlot *slot2,
if (slot1->tts_isnull[attrnum] || slot2->tts_isnull[attrnum])
continue;
- att = TupleDescAttr(slot1->tts_tupleDescriptor, attrnum);
-
typentry = eq[attrnum];
if (typentry == NULL)
{
diff --git a/src/test/subscription/t/100_bugs.pl b/src/test/subscription/t/100_bugs.pl
index a91935e9eec..a11f6be462b 100644
--- a/src/test/subscription/t/100_bugs.pl
+++ b/src/test/subscription/t/100_bugs.pl
@@ -3,7 +3,7 @@ use strict;
use warnings;
use PostgresNode;
use TestLib;
-use Test::More tests => 7;
+use Test::More tests => 8;
# Bug #15114
@@ -227,3 +227,57 @@ is( $node_subscriber->safe_psql(
$node_publisher->stop('fast');
$node_subscriber->stop('fast');
+
+# The bug was that when the REPLICA IDENTITY FULL is used with dropped columns,
+# we fail to apply updates and deletes
+my $node_publisher_d_cols = get_new_node('node_publisher_d_cols');
+$node_publisher_d_cols->init(allows_streaming => 'logical');
+$node_publisher_d_cols->start;
+
+my $node_subscriber_d_cols = get_new_node('node_subscriber_d_cols');
+$node_subscriber_d_cols->init(allows_streaming => 'logical');
+$node_subscriber_d_cols->start;
+
+$node_publisher_d_cols->safe_psql(
+ 'postgres', qq(
+ CREATE TABLE dropped_cols (a int, b_drop int, c int);
+ ALTER TABLE dropped_cols REPLICA IDENTITY FULL;
+ CREATE PUBLICATION pub_dropped_cols FOR TABLE dropped_cols;
+ -- some initial data
+ INSERT INTO dropped_cols VALUES (1, 1, 1);
+));
+
+$node_subscriber_d_cols->safe_psql(
+ 'postgres', qq(
+ CREATE TABLE dropped_cols (a int, b_drop int, c int);
+));
+
+my $publisher_connstr_d_cols =
+ $node_publisher_d_cols->connstr . ' dbname=postgres';
+$node_subscriber_d_cols->safe_psql('postgres',
+ "CREATE SUBSCRIPTION sub_dropped_cols CONNECTION '$publisher_connstr_d_cols' PUBLICATION pub_dropped_cols"
+);
+$node_subscriber_d_cols->wait_for_subscription_sync;
+
+$node_publisher_d_cols->safe_psql(
+ 'postgres', qq(
+ ALTER TABLE dropped_cols DROP COLUMN b_drop;
+));
+$node_subscriber_d_cols->safe_psql(
+ 'postgres', qq(
+ ALTER TABLE dropped_cols DROP COLUMN b_drop;
+));
+
+$node_publisher_d_cols->safe_psql(
+ 'postgres', qq(
+ UPDATE dropped_cols SET a = 100;
+));
+$node_publisher_d_cols->wait_for_catchup('sub_dropped_cols');
+
+is( $node_subscriber_d_cols->safe_psql(
+ 'postgres', "SELECT count(*) FROM dropped_cols WHERE a = 100"),
+ qq(1),
+ 'replication with RI FULL and dropped columns');
+
+$node_publisher_d_cols->stop('fast');
+$node_subscriber_d_cols->stop('fast');