Re: row filtering for logical replication - Mailing list pgsql-hackers

From Greg Nancarrow
Subject Re: row filtering for logical replication
Date
Msg-id CAJcOf-dNDy=rzUD=2H54J-VVUJCxq94o_2Sqc35RovFLKkSj7Q@mail.gmail.com
Whole thread Raw
In response to Re: row filtering for logical replication  (Peter Smith <smithpb2250@gmail.com>)
Responses Re: row filtering for logical replication  (Peter Smith <smithpb2250@gmail.com>)
List pgsql-hackers
On Tue, Oct 26, 2021 at 3:24 PM Peter Smith <smithpb2250@gmail.com> wrote:
>
> PSA new set of patches:
>
> v34-0001 = the "main" patch from Euler. No change
>
> v34-0002 = tab auto-complete. No change
>
> v34-0003 = cache updates. Addresses Tomas review comment #3 [1].
>
> v34-0004 = filter validation replica identity. Addresses Tomas review
> comment #8 and #9 [1].
>
> v34-0005 = filter validation walker. Addresses Tomas review comment #6 [1]
>
> v34-0006 = support old/new tuple logic for row-filters. Modified, but
> no functional change.
>
> ------
> [1] https://www.postgresql.org/message-id/574b4e78-2f35-acf3-4bdc-4b872582e739%40enterprisedb.com
>

A few comments for some things I have noticed so far:

1) scantuple cleanup seems to be missing since the v33-0001 patch.

2) I don't think that the ResetExprContext() calls (before
FreeExecutorState()) are needed in the pgoutput_row_filter() and
pgoutput_row_filter_virtual() functions.

3) make check-world fails, due to recent changes to PostgresNode.pm.
I found that the following updates are needed:

diff --git a/src/test/subscription/t/025_row_filter.pl
b/src/test/subscription/t/025_row_filter.pl
index 742bbbe8a8..3fc503f2e4 100644
--- a/src/test/subscription/t/025_row_filter.pl
+++ b/src/test/subscription/t/025_row_filter.pl
@@ -1,17 +1,17 @@
 # Test logical replication behavior with row filtering
 use strict;
 use warnings;
-use PostgresNode;
-use TestLib;
+use PostgreSQL::Test::Cluster;
+use PostgreSQL::Test::Utils;
 use Test::More tests => 7;

 # create publisher node
-my $node_publisher = PostgresNode->new('publisher');
+my $node_publisher = PostgreSQL::Test::Cluster->new('publisher');
 $node_publisher->init(allows_streaming => 'logical');
 $node_publisher->start;

 # create subscriber node
-my $node_subscriber = PostgresNode->new('subscriber');
+my $node_subscriber = PostgreSQL::Test::Cluster->new('subscriber');
 $node_subscriber->init(allows_streaming => 'logical');
 $node_subscriber->start;


Regards,
Greg Nancarrow
Fujitsu Australia



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