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Sweet. Unfortunately, there is no ADD CONSTRAINT IF NOT EXISTS yet.

Tomasz Gandor
– Tomasz Gandor

2019-04-16 09:35:56 +00:00
Commented Apr 16, 2019 at 9:35
Just out of curiosity: will this cause an access lock on the table (and thus require a maintenance window when run on huge tables in production databases)?

Hassan Baig
– Hassan Baig

2019-07-06 17:20:43 +00:00
Commented Jul 6, 2019 at 17:20
5

@TomaszGandor But you can DROP CONSTRAINT IF EXISTS and then add it again.

Michael Berdyshev
– Michael Berdyshev

2021-03-18 09:18:37 +00:00
Commented Mar 18, 2021 at 9:18

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