XLogRecoveryCtlData is the structure that stores the shared-memory state of WAL recovery, including information such as promotion requests, the timeline ID (TLI), and the LSNs of replayed records. This refactoring is independently useful because it allows code outside of core to access the recovery state in live. It will be used by an upcoming patch that introduces a SQL function for querying this information, that can be accessed on a standby once a consistent state has been reached. This only moves code around, changing nothing functionally. Author: Xuneng Zhou <xunengzhou@gmail.com> Discussion: https://postgr.es/m/CABPTF7W+Nody-+P9y4PNk37-QWuLpfUrEonHuEhrX+Vx9Kq+Kw@mail.gmail.com |
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| configure | ||
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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/.