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2022-04-06 04:33:47 | know the check condition is valid or not. or can check deduce from multiple conditions (David G. Johnston)

On Tue, Apr 5, 2022 at 9:08 PM Jian He wrote: Not stupid

Mailing lists  >>  pgsql-sql  >>  Thread

2022-04-06 04:10:25 | know the check condition is valid or not. or can check deduce from multiple conditions (Tom Lane)

Jian He writes: No, not explicitly. If the constraint always fails, that is your

Mailing lists  >>  pgsql-sql  >>  Thread

2022-04-06 04:07:55 | know the check condition is valid or not. or can check deduce from multiple conditions (Jian He)

valid or not - Stack Overflow Postgres 14 | db<>fiddle (dbfiddle.uk)