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If an IO succeeds, but issues a warning, e.g. due to a page verification failure with zero_damaged_pages, we want to issue that warning in the context of the issuer of the IO, not the process that executes the completion (always the case for worker). It's already possible for a completion callback to report a custom error message, we just didn't have a result status that allowed a user of AIO to know that a warning should be emitted even though the IO request succeeded. All that's needed for that is a dedicated PGAIO_RS_ value. Previously there were not enough bits in PgAioResult.id for the new value. Increase. While at that, add defines for the amount of bits and static asserts to check that the widths are appropriate. Reviewed-by: Noah Misch <noah@leadboat.com> Discussion: https://postgr.es/m/20250329212929.a6.nmisch@google.com
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/.