3a08a2a8b4
Pushing aggregates containing volatile functions below a join can violate volatility semantics by changing the number of times the function is executed. Here we check the Aggref nodes in the targetlist and havingQual for volatile functions and disable eager aggregation when such functions are present. Author: Richard Guo <guofenglinux@gmail.com> Reviewed-by: Matheus Alcantara <matheusssilv97@gmail.com> Discussion: https://postgr.es/m/CAMbWs48A53PY1Y4zoj7YhxPww9fO1hfnbdntKfA855zpXfVFRA@mail.gmail.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/.