From 054d6333592cff9ca6d4022d44aa960d85f762a8 Mon Sep 17 00:00:00 2001 From: Shubham Khanna Date: Thu, 10 Oct 2024 11:25:52 +1100 Subject: [PATCH v43 4/4] Tap tests for generated columns Add tests for the combinations of generated column replication. Also test effect of 'publish_generated_columns' option true/false. Author: Shubham Khanna Reviewed-by: Vignesh C --- src/test/subscription/t/011_generated.pl | 270 +++++++++++++++++++++++ 1 file changed, 270 insertions(+) diff --git a/src/test/subscription/t/011_generated.pl b/src/test/subscription/t/011_generated.pl index 8b2e5f4708..5ef7a9b4e6 100644 --- a/src/test/subscription/t/011_generated.pl +++ b/src/test/subscription/t/011_generated.pl @@ -96,4 +96,274 @@ is( $result, qq(1|22| 8|176|18 9|198|19), 'generated columns replicated with trigger'); +# cleanup +$node_subscriber->safe_psql('postgres', "DROP SUBSCRIPTION sub1"); +$node_publisher->safe_psql('postgres', "DROP PUBLICATION pub1"); + +# ============================================================================= +# The following test case exercise logical replication where there is a +# generated column on pub and a normal column on sub: +# - generated -> normal +# +# Furthermore, the combinations are tested using: +# a publication pub1, on the 'postgres' database, with option publish_generated_columns=false. +# a publication pub2, on the 'postgres' database, with option publish_generated_columns=true. +# a subscription sub1, on the 'postgres' database for publication pub1. +# a subscription sub2, on the 'test_pgc_true' database for publication pub2. +# ============================================================================= + +$node_subscriber->safe_psql('postgres', "CREATE DATABASE test_pgc_true"); + +# -------------------------------------------------- +# Testcase: generated -> normal +# Publisher table has generated column 'b'. +# Subscriber table has normal column 'b'. +# -------------------------------------------------- + +# Create table and publications. +$node_publisher->safe_psql( + 'postgres', qq( + CREATE TABLE tab_gen_to_nogen (a int, b int GENERATED ALWAYS AS (a * 2) STORED); + INSERT INTO tab_gen_to_nogen (a) VALUES (1), (2), (3); + CREATE PUBLICATION regress_pub1_gen_to_nogen FOR TABLE tab_gen_to_nogen WITH (publish_generated_columns = false); + CREATE PUBLICATION regress_pub2_gen_to_nogen FOR TABLE tab_gen_to_nogen WITH (publish_generated_columns = true); +)); + +# Create table and subscription. +$node_subscriber->safe_psql( + 'postgres', qq( + CREATE TABLE tab_gen_to_nogen (a int, b int); + CREATE SUBSCRIPTION regress_sub1_gen_to_nogen CONNECTION '$publisher_connstr' PUBLICATION regress_pub1_gen_to_nogen WITH (copy_data = true); +)); + +# Create table and subscription. +$node_subscriber->safe_psql( + 'test_pgc_true', qq( + CREATE TABLE tab_gen_to_nogen (a int, b int); + CREATE SUBSCRIPTION regress_sub2_gen_to_nogen CONNECTION '$publisher_connstr' PUBLICATION regress_pub2_gen_to_nogen WITH (copy_data = true); +)); + +# Wait for initial sync. +$node_subscriber->wait_for_subscription_sync($node_publisher, + 'regress_sub1_gen_to_nogen', 'postgres'); +$node_subscriber->wait_for_subscription_sync($node_publisher, + 'regress_sub2_gen_to_nogen', 'test_pgc_true'); + +# Initial sync test when publish_generated_columns=false. +# Verify that column 'b' is not replicated. +$result = $node_subscriber->safe_psql('postgres', + "SELECT a, b FROM tab_gen_to_nogen"); +is( $result, qq(1| +2| +3|), 'tab_gen_to_nogen initial sync, when publish_generated_columns=false'); + +# Initial sync test when publish_generated_columns=true. +$result = $node_subscriber->safe_psql('test_pgc_true', + "SELECT a, b FROM tab_gen_to_nogen"); +is( $result, qq(1|2 +2|4 +3|6), + 'tab_gen_to_nogen initial sync, when publish_generated_columns=true'); + +# Insert data to verify incremental replication +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_gen_to_nogen VALUES (4), (5)"); + +# Incremental replication test when publish_generated_columns=false. +# Verify that column 'b' is not replicated. +$node_publisher->wait_for_catchup('regress_sub1_gen_to_nogen'); +$result = $node_subscriber->safe_psql('postgres', + "SELECT a, b FROM tab_gen_to_nogen ORDER BY a"); +is( $result, qq(1| +2| +3| +4| +5|), + 'tab_gen_to_nogen incremental replication, when publish_generated_columns=false' +); + +# Incremental replication test when publish_generated_columns=true. +# Verify that column 'b' is replicated. +$node_publisher->wait_for_catchup('regress_sub2_gen_to_nogen'); +$result = $node_subscriber->safe_psql('test_pgc_true', + "SELECT a, b FROM tab_gen_to_nogen ORDER BY a"); +is( $result, qq(1|2 +2|4 +3|6 +4|8 +5|10), + 'tab_gen_to_nogen incremental replication, when publish_generated_columns=true' +); + +# cleanup +$node_subscriber->safe_psql('postgres', + "DROP SUBSCRIPTION regress_sub1_gen_to_nogen"); +$node_subscriber->safe_psql('test_pgc_true', + "DROP SUBSCRIPTION regress_sub2_gen_to_nogen"); +$node_publisher->safe_psql( + 'postgres', qq( + DROP PUBLICATION regress_pub1_gen_to_nogen; + DROP PUBLICATION regress_pub2_gen_to_nogen; +)); +$node_subscriber->safe_psql('test_pgc_true', "DROP table tab_gen_to_nogen"); +$node_subscriber->safe_psql('postgres', "DROP DATABASE test_pgc_true"); + +# ============================================================================= +# The following test cases demonstrate behavior of generated column replication +# when publish_generated_colums=false/true: +# +# Test: column list includes gencols, when publish_generated_columns=false +# Test: column list does not include gencols, when publish_generated_columns=false +# +# Test: column list includes gencols, when publish_generated_columns=true +# Test: column list does not include gencols, when publish_generated_columns=true +# ============================================================================= + +# -------------------------------------------------- +# Testcase: Publisher replicates the column list data including generated +# columns even though publish_generated_columns option is false. +# -------------------------------------------------- + +# Create table and publications. +$node_publisher->safe_psql( + 'postgres', qq( + CREATE TABLE tab2 (a int, gen1 int GENERATED ALWAYS AS (a * 2) STORED); + CREATE TABLE tab3 (a int, gen1 int GENERATED ALWAYS AS (a * 2) STORED); + CREATE PUBLICATION pub1 FOR table tab2, tab3(gen1) WITH (publish_generated_columns=false); +)); + +# Insert values into tables. +$node_publisher->safe_psql( + 'postgres', qq( + INSERT INTO tab2 (a) VALUES (1), (2); + INSERT INTO tab3 (a) VALUES (1), (2); +)); + +# Create table and subscription. +$node_subscriber->safe_psql( + 'postgres', qq( + CREATE TABLE tab2 (a int, gen1 int); + CREATE TABLE tab3 (a int, gen1 int); + CREATE SUBSCRIPTION sub1 CONNECTION '$publisher_connstr' PUBLICATION pub1 WITH (copy_data = true); +)); + +# Wait for initial sync. +$node_subscriber->wait_for_subscription_sync; +$node_publisher->wait_for_catchup('sub1'); + +# Initial sync test when publish_generated_columns=false. +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab2 ORDER BY a"); +is( $result, qq(1| +2|), + 'tab2 initial sync, when publish_generated_columns=false'); +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab3 ORDER BY a"); +is( $result, qq(|2 +|4), + 'tab3 initial sync, when publish_generated_columns=false'); + +# Insert data to verify incremental replication +$node_publisher->safe_psql( + 'postgres', qq( + INSERT INTO tab2 VALUES (3), (4); + INSERT INTO tab3 VALUES (3), (4); +)); + +# Incremental replication test when publish_generated_columns=false. +# Verify that column 'gen1' is not replicated. +$node_publisher->wait_for_catchup('sub1'); +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab2 ORDER BY a"); +is( $result, qq(1| +2| +3| +4|), + 'tab2 incremental replication, when publish_generated_columns=false'); +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab3 ORDER BY a"); +is( $result, qq(|2 +|4 +|6 +|8), + 'tab3 incremental replication, when publish_generated_columns=false'); + +# cleanup +$node_subscriber->safe_psql('postgres', "DROP SUBSCRIPTION sub1"); +$node_publisher->safe_psql('postgres', "DROP PUBLICATION pub1"); + +# -------------------------------------------------- +# Testcase: Although publish_generated_columns is true, publisher publishes +# only the data of the columns specified in column list, skipping other +# generated/non-generated columns. +# -------------------------------------------------- + +# Create table and publications. +$node_publisher->safe_psql( + 'postgres', qq( + CREATE TABLE tab4 (a int, gen1 int GENERATED ALWAYS AS (a * 2) STORED); + CREATE TABLE tab5 (a int, gen1 int GENERATED ALWAYS AS (a * 2) STORED); + CREATE PUBLICATION pub1 FOR table tab4, tab5(gen1) WITH (publish_generated_columns=true); +)); + +# Insert values into tables. +$node_publisher->safe_psql( + 'postgres', qq( + INSERT INTO tab4 (a) VALUES (1), (2); + INSERT INTO tab5 (a) VALUES (1), (2); +)); + +# Create table and subscription. +$node_subscriber->safe_psql( + 'postgres', qq( + CREATE TABLE tab4 (a int, gen1 int); + CREATE TABLE tab5 (a int, gen1 int); + CREATE SUBSCRIPTION sub1 CONNECTION '$publisher_connstr' PUBLICATION pub1 WITH (copy_data = true); +)); + +# Wait for initial sync. +$node_subscriber->wait_for_subscription_sync; +$node_publisher->wait_for_catchup('sub1'); + +# Initial sync test when publish_generated_columns=true. +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab4 ORDER BY a"); +is( $result, qq(1|2 +2|4), + 'tab4 initial sync, when publish_generated_columns=true'); +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab5 ORDER BY a"); +is( $result, qq(|2 +|4), + 'tab5 initial sync, when publish_generated_columns=true'); + +# Insert data to verify incremental replication. +$node_publisher->safe_psql( + 'postgres', qq( + INSERT INTO tab4 VALUES (3), (4); + INSERT INTO tab5 VALUES (3), (4); +)); + +# Incremental replication test when publish_generated_columns=true. +# Verify that column 'gen1' is replicated. +$node_publisher->wait_for_catchup('sub1'); +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab4 ORDER BY a"); +is( $result, qq(1|2 +2|4 +3|6 +4|8), + 'tab4 incremental replication, when publish_generated_columns=true'); +$result = + $node_subscriber->safe_psql('postgres', "SELECT * FROM tab5 ORDER BY a"); +is( $result, qq(|2 +|4 +|6 +|8), + 'tab5 incremental replication, when publish_generated_columns=true'); + +# cleanup +$node_subscriber->safe_psql('postgres', "DROP SUBSCRIPTION sub1"); +$node_publisher->safe_psql('postgres', "DROP PUBLICATION pub1"); + done_testing(); -- 2.41.0.windows.3