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Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
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Robert Haas 065583cf46 Prevent summarizer hang when summarize_wal turned off and back on. 
Before this commit, when the WAL summarizer started up or recovered
from an error, it would resume summarization from wherever it left
off. That was OK normally, but wrong if summarize_wal=off had been
turned off temporary, allowing some WAL to be removed, and then turned
back on again. In such cases, the WAL summarizer would simply hang
forever. This commit changes the reinitialization sequence for WAL
summarizer to rederive the starting position in the way we were
already doing at initial startup, fixing the problem.

Per report from Israel Barth Rubio. Reviewed by Tom Lane.

Discussion: http://postgr.es/m/CA+TgmoYN6x=YS+FoFOS6=nr6=qkXZFWhdiL7k0oatGwug2hcuA@mail.gmail.com
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doc SQL/JSON: Validate values in ON ERROR/EMPTY clauses 2024-06-28 14:01:43 +09:00
src Prevent summarizer hang when summarize_wal turned off and back on. 2024-06-28 08:29:05 -04:00
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README.md

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/.