cd375d5b6d
I don't understand how to reach errdetail_abort() with MyProc->recoveryConflictPending set. If a recovery conflict signal is received, ProcessRecoveryConflictInterrupt() raises an ERROR or FATAL error to cancel the query or connection, and abort processing clears the flag. The error message from ProcessRecoveryConflictInterrupt() is very clear that the query or connection was terminated because of recovery conflict. The only way to reach it AFAICS is with a race condition, if the startup process sends a recovery conflict signal when the transaction has just entered aborted state for some other reason. And in that case the detail would be misleading, as the transaction was already aborted for some other reason, not because of the recovery conflict. errdetail_abort() was the only user of the recoveryConflictPending flag in PGPROC, so we can remove that and all the related code too. Reviewed-by: Chao Li <li.evan.chao@gmail.com> Discussion: https://www.postgresql.org/message-id/4cc13ba1-4248-4884-b6ba-4805349e7f39@iki.fi |
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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/.