Michael Paquier 572c0f1b0e Improve tests of date_trunc() with infinity and unsupported units
Commit d85ce012f99f has added some new error handling code to
date_trunc() of timestamp, timestamptz, and interval with infinite
values.

However, the new test cases added by that commit did not actually test
all of the new code, missing coverage for the following cases:
1) For timestamp without time zone:
1-1) infinite value with valid unit
1-2) infinite value with unsupported unit
1-3) finite value with unsupported unit, for a code path older than
d85ce012f99f.
2) For timestamp with time zone, without a time zone specified for the
truncation:
2-1) infinite value with valid unit
2-2) infinite value with unsupported unit
2-3) finite value with unsupported unit, for a code path older than
d85ce012f99f.
3) For timestamp with time zone, with a time zone specified for the
truncation:
3-1) infinite value with valid unit.
3-2) infinite value with unsupported unit.

This commit also provides coverage for the bug fixed in 2242b26ce472,
through cases 2-1) and 3-1), when using an infinite value with a valid
unit, with[out] the optional time zone parameter used for the
truncation.

Author: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/2d320b6f-b4af-4fbc-9eec-5d0fa15d187b@eisentraut.org
Discussion: https://postgr.es/m/4bf60a84-2862-4a53-acd5-8eddf134a60e@eisentraut.org
Backpatch-through: 18
2025-08-07 11:49:25 +09:00
2025-08-04 14:06:58 +02:00
2025-02-12 09:40:07 -05:00
2024-11-05 13:56:02 +01:00
2024-02-28 15:17:23 +04:00

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/.

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he World's Most Advanced Open Source Relational Database.
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