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The reason was that the ALTER SUBSCRIPTION .. SET PUBLICATION will lead to the restarting of apply worker and after the restart, the apply worker will use the existing slot and replication origin corresponding to the subscription. Now, it is possible that before restart the origin has not been updated and the WAL start location points to a location before where PUBLICATION exists which can lead to the error "publication ... does not exist". Fix it by recreating the subscription as a newly created subscription will start processing WAL from the recent WAL location and will see the required publication. This behavior has existed from the time logical replication was introduced but is exposed by this test and we have started a discussion for a better fix for this problem. As per Buildfarm Diagnosed-by: Amit Kapila Author: Vignesh C Discussion: https://postgr.es/m/3307255.1706911634@sss.pgh.pa.us
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. Copyright and license information can be found in the file COPYRIGHT. General documentation about this version of PostgreSQL can be found at: https://www.postgresql.org/docs/devel/ In particular, information about building PostgreSQL from the source code can be found at: https://www.postgresql.org/docs/devel/installation.html The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.