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-- row based filtering
SELECT * FROM pglogical_regress_variables()
\gset
\c :provider_dsn
-- testing volatile sampling function in row_filter
SELECT pglogical.replicate_ddl_command($$
CREATE TABLE public.test_tablesample (id int primary key, name text) WITH (fillfactor=10);
$$);
-- use fillfactor so we don't have to load too much data to get multiple pages
INSERT INTO test_tablesample
SELECT i, repeat(i::text, 200) FROM generate_series(0, 9) s(i);
create or replace function funcn_get_system_sample_count(integer, integer) returns bigint as
$$ (SELECT count(*) FROM test_tablesample TABLESAMPLE SYSTEM ($1) REPEATABLE ($2)); $$
language sql volatile;
create or replace function funcn_get_bernoulli_sample_count(integer, integer) returns bigint as
$$ (SELECT count(*) FROM test_tablesample TABLESAMPLE BERNOULLI ($1) REPEATABLE ($2)); $$
language sql volatile;
SELECT * FROM pglogical.replication_set_add_table('default', 'test_tablesample', false, row_filter := $rf$id > funcn_get_system_sample_count(100, 3) $rf$);
SELECT * FROM pglogical.replication_set_remove_table('default', 'test_tablesample');
SELECT * FROM pglogical.replication_set_add_table('default', 'test_tablesample', true, row_filter := $rf$id > funcn_get_bernoulli_sample_count(10, 0) $rf$);
SELECT * FROM test_tablesample ORDER BY id limit 5;
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
\c :subscriber_dsn
BEGIN;
SET LOCAL statement_timeout = '180s';
SELECT pglogical.wait_for_table_sync_complete('test_subscription', 'test_tablesample');
COMMIT;
SELECT sync_kind, sync_nspname, sync_relname, sync_status FROM pglogical.local_sync_status WHERE sync_relname = 'test_tablesample';
SELECT * FROM test_tablesample ORDER BY id limit 5;
\c :provider_dsn
\set VERBOSITY terse
DROP FUNCTION funcn_get_system_sample_count(integer, integer);
DROP FUNCTION funcn_get_bernoulli_sample_count(integer, integer);
SELECT pglogical.replicate_ddl_command($$
DROP TABLE public.test_tablesample CASCADE;
$$);
CREATE TABLE sample_rowfilter_table(id int primary key, name text);
\COPY sample_rowfilter_table(id, name) FROM STDIN WITH CSV
1,John
2,Jane
3,Bob
4,Alice
5,Charlie
6,Eve
\.
SELECT pglogical.create_replication_set('sample_publisher_set', true, true, true, true);
SELECT pglogical.replication_set_add_table(set_name := 'sample_publisher_set', relation := 'public.sample_rowfilter_table', row_filter := $$ id >= 1 and id <= 3 $$);
SELECT * FROM pglogical.table_data_filtered(NULL::"public"."sample_rowfilter_table", '"public"."sample_rowfilter_table"'::regclass, ARRAY['sample_publisher_set']);
-- Try to trigger cache invalidation for the sample_rowfilter_table relation
-- while program execution is inside create_estate_for_relation(), called from
-- pglogical_table_data_filtered(). To reach that reliably, one can run the
-- test suite under debug_discard_caches=1. This helps verify row_filter is
-- applied correctly even during cache invalidation.
SELECT pglogical.replication_set_remove_table('sample_publisher_set', '"public"."sample_rowfilter_table"'::regclass);
SELECT pglogical.replication_set_add_table(set_name := 'sample_publisher_set', relation := 'public.sample_rowfilter_table', row_filter := $$ id >= 4 and id <= 6 $$);
SELECT * FROM pglogical.table_data_filtered(NULL::"public"."sample_rowfilter_table", '"public"."sample_rowfilter_table"'::regclass, ARRAY['sample_publisher_set']);
SELECT pglogical.drop_replication_set('sample_publisher_set');
DROP TABLE sample_rowfilter_table;
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