24da5b239a
In the previous commit HeapBitmapScan's skip_fetch optimization was removed, due to being broken in not easily fixable ways. Add a test that verifies we don't re-introduce this bug if somebody tries to re-add the feature. Only add the test to master for now, it's possible it's not entirely stable. That seems sufficient, as we're not going to re-introduce the feature on the backbranches. I did verify that the test passes on all branches. If the test turns out to be unproblematic, we can backpatch it later, should we feel a need to do so. Discussion: https://postgr.es/m/CAEze2Wg3gXXZTr6_rwC+s4-o2ZVFB5F985uUSgJTsECx6AmGcQ@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/.