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Tom Lane b7e8f27d14 Fix plpgsql to allow new-style SQL CREATE FUNCTION as a SQL command. 
plpgsql fails on new-style CREATE FUNCTION/PROCEDURE commands within
a routine or DO block, because make_execsql_stmt believes that a
semicolon token always terminates a SQL command.  Now, that's actually
been wrong since the day it was written, because CREATE RULE has long
allowed multiple rule actions separated by semicolons.  But there are
few enough people using multi-action rules that there was never an
attempt to fix it.  New-style SQL functions, though, are popular.

psql has this same problem of "does this semicolon really terminate
the command?".  It deals with CREATE RULE by counting parenthesis
nesting depth: a semicolon within parens doesn't end a command.
Commits e717a9a18 and 029c5ac03 created a similar heuristic to count
matching BEGIN/END pairs (but only within CREATEs, so as not to be
fooled by plain BEGIN).  That's survived several releases now without
trouble reports, so let's just absorb those heuristics into plpgsql.

Per report from Samuel Dussault.  Back-patch to v14 where new-style
SQL function syntax came in.

Discussion: https://postgr.es/m/YT2PR01MB88552C3E9AD40A6C038774A781722@YT2PR01MB8855.CANPRD01.PROD.OUTLOOK.COM
2024-01-18 16:10:57 -05:00
config Log LLVM library version in configure output. 2023-10-22 14:29:00 +13:00
contrib Fix integer-overflow problem in intarray's g_int_decompress(). 2024-01-07 15:19:50 -05:00
doc Added literal tag for RETURNING 2024-01-12 12:44:20 +01:00
src Fix plpgsql to allow new-style SQL CREATE FUNCTION as a SQL command. 2024-01-18 16:10:57 -05:00
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aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Use BIO_{get,set}_app_data instead of BIO_{get,set}_data. 2023-11-28 12:34:03 -05:00
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README.git

README 

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.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download/

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.