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Peter Eisentraut fbc93b8b5f Remove custom Constraint node read/write implementations 
This is part of an effort to reduce the number of special cases in the
automatically generated node support functions.

Allegedly, only certain fields of the Constraint node are valid based
on contype.  But this has historically not been kept up to date in the
read/write functions.  The Constraint node is only used for debugging
DDL statements, so there are no strong requirements for its output,
and there is no enforcement for its correctness.  (There was no read
support before a6bc3301925.)  Commits e7a552f303 and abf46ad9c7 are
examples of where omissions were fixed.

This patch just removes the custom read/write implementations for the
Constraint node type.  Now we just output all the fields, which is a
bit more than before, but at least we don't have to maintain these
functions anymore.  Also, we lose the string representation of the
contype field, but for this marginal use case that seems tolerable.
This patch also changes the documentation of the Constraint struct to
put less emphasis on grouping fields by constraint type but rather
document for each field how it's used.

Reviewed-by: Paul Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/flat/4b27fc50-8cd6-46f5-ab20-88dbaadca645@eisentraut.org
 		2024-02-22 07:07:12 +01:00
config jit: Require at least LLVM 10. 2024-01-25 15:42:34 +13:00
contrib Use new overflow-safe integer comparison functions. 2024-02-16 14:05:36 -06:00
doc doc: Fix link to pg_ident_file_mappings view 2024-02-21 09:08:28 +01:00
src Remove custom Constraint node read/write implementations 2024-02-22 07:07:12 +01:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml ci: Add test coverage of different pg_upgrade modes 2024-02-19 09:31:23 +01:00
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README 

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/.