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Tom Lane ccd10a9bfa Tighten enforcement of variable CONSTANT markings in plpgsql. 
I noticed that plpgsql would allow assignment of a new value to a
variable even when that variable is marked CONSTANT, if the variable
is used as an output parameter in CALL or is a refcursor variable
that OPEN assigns a new value to.  Fix these oversights.

In the CALL case, the check has to be done at runtime because we
cannot know at parse time which parameters are OUT parameters.
For OPEN, it seems best to likewise enforce at runtime because
then we needn't throw error if the variable has a nonnull value
(since OPEN will only try to overwrite a null value).

Although this is surely a bug fix, no back-patch: it seems unlikely
that anyone would thank us for breaking formerly-working code in
minor releases.

Discussion: https://postgr.es/m/214453.1651182729@sss.pgh.pa.us
2022-04-30 11:54:28 -04:00
..
authentication Replace Test::More plans with done_testing 2022-02-11 20:54:44 +01:00
examples Update copyright for 2022 2022-01-07 19:04:57 -05:00
icu Fix global ICU collations for ICU < 54 2022-03-20 10:21:45 +01:00
isolation Add some isolation tests for CLUSTER 2022-04-26 13:41:17 +09:00
kerberos Replace Test::More plans with done_testing 2022-02-11 20:54:44 +01:00
ldap Remove more unused module imports from TAP tests 2022-03-27 22:26:40 +02:00
locale pycodestyle (PEP 8) cleanup in Python scripts 2022-03-09 10:54:20 +01:00
mb
modules Remove extraneous blank lines before block-closing braces 2022-04-13 19:16:02 +02:00
perl Add timestamp and elapsed time decorations to TAP test logs 2022-04-10 09:19:09 -04:00
recovery Fix second race condition in 002_archiving.pl with archive_cleanup_command 2022-04-18 13:41:40 +09:00
regress Tighten enforcement of variable CONSTANT markings in plpgsql. 2022-04-30 11:54:28 -04:00
ssl libpq: Allow IP address SANs in server certificates 2022-04-01 15:51:23 +02:00
subscription pgstat: add/extend tests for resetting various kinds of stats. 2022-04-07 15:43:43 -07:00
Makefile Add option to use ICU as global locale provider 2022-03-17 11:13:16 +01:00
README

README 

PostgreSQL tests
================

This directory contains a variety of test infrastructure as well as some of the
tests in PostgreSQL. Not all tests are here -- in particular, there are more in
individual contrib/ modules and in src/bin.

Not all these tests get run by "make check". Check src/test/Makefile to see
which tests get run automatically.

authentication/
  Tests for authentication (but see also below)

examples/
  Demonstration programs for libpq that double as regression tests via
  "make check"

isolation/
  Tests for concurrent behavior at the SQL level

kerberos/
  Tests for Kerberos/GSSAPI authentication and encryption

ldap/
  Tests for LDAP-based authentication

locale/
  Sanity checks for locale data, encodings, etc

mb/
  Tests for multibyte encoding (UTF-8) support

modules/
  Extensions used only or mainly for test purposes, generally not suitable
  for installing in production databases

perl/
  Infrastructure for Perl-based TAP tests

recovery/
  Test suite for recovery and replication

regress/
  PostgreSQL's main regression test suite, pg_regress

ssl/
  Tests to exercise and verify SSL certificate handling

subscription/
  Tests for logical replication