Álvaro Herrera 16edc1b94f pg_stat_statements: Fix handling of duplicate constant locations Two or more constants can have the same location. We handled this correctly for non squashed constants, but failed to do it if squashed (resulting in out-of-bounds memory access), because the code structure became broken by commit 0f65f3eec478: we failed to update 'last_loc' correctly when skipping these squashed constants. The simplest fix seems to be to get rid of 'last_loc' altogether -- in hindsight, it's quite pointless. Also, when ignoring a constant because of this, make sure to fulfill fill_in_constant_lengths's duty of setting its length to -1. Lastly, we can use == instead of <= because the locations have been sorted beforehand, so the < case cannot arise. Co-authored-by: Sami Imseih <samimseih@gmail.com> Co-authored-by: Dmitry Dolgov <9erthalion6@gmail.com> Reported-by: Konstantin Knizhnik <knizhnik@garret.ru> Backpatch-through: 18 Discussion: https://www.postgresql.org/message-id/2b91e358-0d99-43f7-be44-d2d4dbce37b3%40garret.ru		7 months ago
.github	…
config	Remove traces of support for Sun Studio compiler	9 months ago
contrib	pg_stat_statements: Fix handling of duplicate constant locations	7 months ago
doc	Add psql PROMPT variable for search_path.	7 months ago
src	CheckNNConstraintFetch: Fill all of ConstrCheck in a single pass	7 months ago
.cirrus.star	ci: Simplify ci-os-only handling	10 months ago
.cirrus.tasks.yml	Revert "Improve docs syntax checking"	8 months ago
.cirrus.yml	ci: Per-repo configuration for manually trigger tasks	10 months ago
.dir-locals.el	…
.editorconfig	Add script to keep .editorconfig in sync with .gitattributes	1 year ago
.git-blame-ignore-revs	Add previous commit to .git-blame-ignore-revs.	7 months ago
.gitattributes	Fix git whitespace warning	10 months ago
.gitignore	…
.mailmap	…
COPYRIGHT	Align organization wording in copyright statement	1 year ago
GNUmakefile.in	…
HISTORY	…
Makefile	…
README.md	…
aclocal.m4	…
configure	Replace pg_restrict by standard restrict	7 months ago
configure.ac	Replace pg_restrict by standard restrict	7 months ago
meson.build	Replace pg_restrict by standard restrict	7 months ago
meson_options.txt	Add support for basic NUMA awareness	1 year ago

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.

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/.