Andres Freund be87200efd Support invalidating replication slots due to horizon and wal_level ... Needed for logical decoding on a standby. Slots need to be invalidated because of the horizon if rows required for logical decoding are removed. If the primary's wal_level is lowered from 'logical', logical slots on the standby need to be invalidated. The new invalidation methods will be used in a subsequent commit. Logical slots that have been invalidated can be identified via the new pg_replication_slots.conflicting column. See 6af1793954 for an overall design of logical decoding on a standby. Bumps catversion for the addition of the new pg_replication_slots column. Author: "Drouvot, Bertrand" <bertranddrouvot.pg@gmail.com> Author: Andres Freund <andres@anarazel.de> Author: Amit Khandekar <amitdkhan.pg@gmail.com> (in an older version) Reviewed-by: "Drouvot, Bertrand" <bertranddrouvot.pg@gmail.com> Reviewed-by: Andres Freund <andres@anarazel.de> Reviewed-by: Robert Haas <robertmhaas@gmail.com> Reviewed-by: Fabrízio de Royes Mello <fabriziomello@gmail.com> Reviewed-by: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com> Reviewed-by: Amit Kapila <amit.kapila16@gmail.com> Reviewed-by: Melanie Plageman <melanieplageman@gmail.com> Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org> Discussion: https://postgr.es/m/20230407075009.igg7be27ha2htkbt@awork3.anarazel.de		2023-04-07 22:40:27 -07:00
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src	Support invalidating replication slots due to horizon and wal_level	2023-04-07 22:40:27 -07:00
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