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This module allows plan advice strings to be provided automatically from an in-memory advice stash. Advice stashes are stored in dynamic shared memory and must be recreated and repopulated after a server restart. If pg_stash_advice.stash_name is set to the name of an advice stash, and if query identifiers are enabled, the query identifier for each query will be looked up in the advice stash and the associated advice string, if any, will be used each time that query is planned. Reviewed-by: Lukas Fittl <lukas@fittl.com> Reviewed-by: Alexandra Wang <alexandra.wang.oss@gmail.com> Reviewed-by: David G. Johnston <david.g.johnston@gmail.com> Reviewed-by: Jakub Wartak <jakub.wartak@enterprisedb.com> Discussion: http://postgr.es/m/CA+TgmoaeNuHXQ60P3ZZqJLrSjP3L1KYokW9kPfGbWDyt+1t=Ng@mail.gmail.com |
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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/.