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Tom Lane ded5ede277 Fix parsing of ISO-8601 interval fields with exponential notation. 
Historically we've accepted interval input like 'P.1e10D'.  This
is probably an accident of having used strtod() to do the parsing,
rather than something anyone intended, but it's been that way for
a long time.  Commit e39f99046 broke this by trying to parse the
integer and fractional parts separately, without accounting for
the possibility of an exponent.  In principle that coding allowed
for precise conversions of field values wider than 15 decimal
digits, but that does not seem like a goal worth sweating bullets
for.  So, rather than trying to manage an exponent on top of the
existing complexity, let's just revert to the previous coding that
used strtod() by itself.  We can still improve on the old code to
the extent of allowing the value to range up to 1.0e15 rather than
only INT_MAX.  (Allowing more than that risks creating problems
due to precision loss: the converted fractional part might have
absolute value more than 1.  Perhaps that could be dealt with in
some way, but it really does not seem worth additional effort.)

Per bug #17795 from Alexander Lakhin.  Back-patch to v15 where
the faulty code came in.

Discussion: https://postgr.es/m/17795-748d6db3ed95d313@postgresql.org
2023-02-20 16:55:59 -05:00
..
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 icu tests with C locale 2022-09-19 15:39:49 -04:00
isolation Re-adjust drop-index-concurrently-1 isolation test 2022-12-16 11:40:22 +13:00
kerberos ci: Change macOS builds from Intel to ARM. 2023-01-01 10:43:23 +13:00
ldap ci: Change macOS builds from Intel to ARM. 2023-01-01 10:43:23 +13:00
locale pycodestyle (PEP 8) cleanup in Python scripts 2022-03-09 10:54:20 +01:00
mb Fix MB regression tests for WAL-logging of hash indexes. 2017-03-15 07:25:36 -04:00
modules Fix end LSN determination in recently added test 2022-12-23 17:27:05 +01:00
perl AdjustUpgrade.pm should zap test_ext_cine, too. 2023-01-17 16:00:49 -05:00
recovery Remove recovery test 011_crash_recovery.pl 2023-01-31 12:47:08 +09:00
regress Fix parsing of ISO-8601 interval fields with exponential notation. 2023-02-20 16:55:59 -05:00
ssl Fix handling of SCRAM-SHA-256's channel binding with RSA-PSS certificates 2023-02-15 10:12:31 +09:00
subscription Fix the Drop Database hang. 2023-01-24 09:12:04 +05:30
Makefile Add option to use ICU as global locale provider 2022-03-17 11:13:16 +01:00
README Remove the option to build thread_test.c outside configure. 2020-10-21 12:08:48 -04:00

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