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Tom Lane da8a4c1666 Reject a copy EOF marker that has data ahead of it on the same line. 
We have always documented that a copy EOF marker (\.) must appear
by itself on a line, and that is how psql interprets the rule.
However, the backend's actual COPY FROM logic only insists that
there not be data between the \. and the following newline.
Any data ahead of the \. is parsed as a final line of input.
It's hard to interpret this as anything but an ancient mistake
that we've faithfully carried forward.  Continuing to allow it
is not cost-free, since it could mask client-side bugs that
unnecessarily backslash-escape periods (and thereby risk
accidentally creating an EOF marker).  So, let's remove that
provision and throw error if the EOF marker isn't alone on its
line, matching what the documentation has said right along.
Adjust the relevant error messages to be clearer, too.

Discussion: https://postgr.es/m/ed659f37-a9dd-42a7-82b9-0da562cc4006@manitou-mail.org
2024-10-01 16:53:54 -04:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Simplify checking for xlocale.h 2024-10-01 07:23:45 -04:00
contrib Use macro to define the number of enum values 2024-10-01 09:30:24 -04:00
doc initdb: Add new option "--no-data-checksums" 2024-10-01 10:50:30 -04:00
src Reject a copy EOF marker that has data ahead of it on the same line. 2024-10-01 16:53:54 -04:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml Add PG_TEST_PG_COMBINEBACKUP_MODE to CI tasks 2024-09-10 16:30:38 +02:00
.cirrus.yml ci: Make compute resources for CI configurable 2023-08-23 15:15:28 -07:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Add commit 7229ebe011 to .git-blame-ignore-revs. 2024-09-14 20:17:30 +02:00
.gitattributes Remove non-existing file from .gitattributes 2024-02-16 11:39:09 +01:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Simplify checking for xlocale.h 2024-10-01 07:23:45 -04:00
configure.ac Simplify checking for xlocale.h 2024-10-01 07:23:45 -04:00
COPYRIGHT Update copyright for 2024 2024-01-03 20:49:05 -05:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build Simplify checking for xlocale.h 2024-10-01 07:23:45 -04:00
meson_options.txt Remove spinlocks and atomics from meson_options.txt. 2024-07-30 23:37:14 +12:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00

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.

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/.