NOT VALID constraints

Postgres FM

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3M ago 33:56

MP3•Episodio en casa

Nikolay and Michael discuss adding constraints in an online fashion, using NOT VALID and then VALIDATE CONSTRAINT.
Here are some links to things they mentioned:

ADD table_constraint NOT VALID https://www.postgresql.org/docs/current/sql-altertable.html#SQL-ALTERTABLE-DESC-ADD-TABLE-CONSTRAINT
Our episode on zero-downtime migrations https://postgres.fm/episodes/zero-downtime-migrations
VALIDATE CONSTRAINT https://www.postgresql.org/docs/current/sql-altertable.html#SQL-ALTERTABLE-DESC-VALIDATE-CONSTRAINT
ALTER TABLE notes https://www.postgresql.org/docs/current/sql-altertable.html#SQL-ALTERTABLE-NOTES
pgroll https://github.com/xataio/pgroll

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Postgres FM is produced by:

Michael Christofides, founder of pgMustard
Nikolay Samokhvalov, founder of Postgres.ai

With special thanks to:

Jessie Draws for the elephant artwork

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