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Tomas Vondra 2c7ea57e56 Revert "Logical decoding of sequences"
This reverts a sequence of commits, implementing features related to
logical decoding and replication of sequences:

 - 0da92dc530c9251735fc70b20cd004d9630a1266
 - 80901b32913ffa59bf157a4d88284b2b3a7511d9
 - b779d7d8fdae088d70da5ed9fcd8205035676df3
 - d5ed9da41d96988d905b49bebb273a9b2d6e2915
 - a180c2b34de0989269fdb819bff241a249bf5380
 - 75b1521dae1ff1fde17fda2e30e591f2e5d64b6a
 - 2d2232933b02d9396113662e44dca5f120d6830e
 - 002c9dd97a0c874fd1693a570383e2dd38cd40d5
 - 05843b1aa49df2ecc9b97c693b755bd1b6f856a9

The implementation has issues, mostly due to combining transactional and
non-transactional behavior of sequences. It's not clear how this could
be fixed, but it'll require reworking significant part of the patch.

Discussion: https://postgr.es/m/95345a19-d508-63d1-860a-f5c2f41e8d40@enterprisedb.com
2022-04-07 20:06:36 +02:00

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SQL

-- predictability
SET synchronous_commit = on;
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
CREATE TABLE tab1 (id serial unique, data int);
CREATE TABLE tab2 (a int primary key, b int);
TRUNCATE tab1;
TRUNCATE tab1, tab1 RESTART IDENTITY CASCADE;
TRUNCATE tab1, tab2;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
SELECT pg_drop_replication_slot('regression_slot');