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Nathan Bossart 70d1c664f4 Fix contrib/pageinspect's test for sequences. 
I managed to break this test in two different ways in commit
05036a3155.

First, the output of the new call to tuple_data_split() on the test
sequence is dependent on endianness.  This is fixed by setting a
special start value for the test sequence that produces the same
output regardless of the endianness of the machine.

Second, on versions older than v15, the new test case fails under
"force_parallel_mode = regress" with the following error:

	ERROR:  cannot access temporary tables during a parallel operation

This is because pageinspect's disk-accessing functions are
incorrectly marked PARALLEL SAFE on versions older than v15 (see
commit aeaaf520f4 for details).  This one is fixed by changing the
test sequence to be permanent.  The only reason it was previously
marked temporary was to avoid needing a DROP SEQUENCE command at
the end of the test.  Unlike some other tests in this file, the use
of a permanent sequence here shouldn't result in any test
instability like what was fixed by commit e2933a6e11.

Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/ZuOKOut5hhDlf_bP%40nathan
Backpatch-through: 12
2024-09-13 10:16:40 -05:00
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contrib Fix contrib/pageinspect's test for sequences. 2024-09-13 10:16:40 -05:00
doc SQL/JSON: Update example in JSON_QUERY() documentation 2024-09-13 16:10:14 +09:00
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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/.