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a924c327e2
This allows creating temporary replication slots that are removed automatically at the end of the session or on error. From: Petr Jelinek <petr.jelinek@2ndquadrant.com>
59 lines
1.4 KiB
Plaintext
59 lines
1.4 KiB
Plaintext
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_p', 'test_decoding');
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?column?
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----------
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init
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(1 row)
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_t', 'test_decoding', true);
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?column?
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----------
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init
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(1 row)
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SELECT pg_drop_replication_slot('regression_slot_p');
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pg_drop_replication_slot
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--------------------------
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(1 row)
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_p', 'test_decoding', false);
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?column?
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----------
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init
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(1 row)
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-- reconnect to clean temp slots
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\c
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SELECT pg_drop_replication_slot('regression_slot_p');
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pg_drop_replication_slot
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--------------------------
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(1 row)
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-- should fail because the temporary slot was dropped automatically
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SELECT pg_drop_replication_slot('regression_slot_t');
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ERROR: replication slot "regression_slot_t" does not exist
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-- test switching between slots in a session
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot1', 'test_decoding', true);
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?column?
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----------
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init
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(1 row)
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot2', 'test_decoding', true);
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?column?
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----------
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init
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(1 row)
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SELECT * FROM pg_logical_slot_get_changes('regression_slot1', NULL, NULL);
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location | xid | data
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----------+-----+------
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(0 rows)
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SELECT * FROM pg_logical_slot_get_changes('regression_slot2', NULL, NULL);
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location | xid | data
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----------+-----+------
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(0 rows)
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