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0ef3c29a4b
Also improve related error message as it contributed to the confusion. Discussion: CAB7nPqQrqFzjqCjxu4GZzTrD9kpj6HMn9G5aOOMwt1WZ8NfqeA@mail.gmail.com, CAB7nPqQXc_+g95zWnqaa=mVQ4d3BVRs6T41frcEYi2ocUrR3+A@mail.gmail.com Per discussion between Michael Paquier, Robert Haas and Andres Freund Backpatch to 9.4 where logical decoding was introduced.
36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
-- predictability
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SET synchronous_commit = on;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', '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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-- succeeds, textual plugin, textual consumer
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0');
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data
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------
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(0 rows)
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-- fails, binary plugin, textual consumer
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '1');
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ERROR: logical decoding output plugin "test_decoding" produces binary output, but "pg_logical_slot_get_changes(name,pg_lsn,integer,text[])" expects textual data
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-- succeeds, textual plugin, binary consumer
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SELECT data FROM pg_logical_slot_get_binary_changes('regression_slot', NULL, NULL, 'force-binary', '0');
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data
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------
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(0 rows)
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-- succeeds, binary plugin, binary consumer
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SELECT data FROM pg_logical_slot_get_binary_changes('regression_slot', NULL, NULL, 'force-binary', '1');
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data
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------
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(0 rows)
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SELECT 'init' FROM pg_drop_replication_slot('regression_slot');
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?column?
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----------
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init
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(1 row)
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