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Peter Eisentraut 030e10ff1a Rename pg_constraint.conwithoutoverlaps to conperiod 
pg_constraint.conwithoutoverlaps was recently added to support primary
keys and unique constraints with the WITHOUT OVERLAPS clause.  An
upcoming patch provides the foreign-key side of this functionality,
but the syntax there is different and uses the keyword PERIOD.  It
would make sense to use the same pg_constraint field for both of
these, but then we should pick a more general name that conveys "this
constraint has a temporal/period-related feature".  conperiod works
for that and is nicely compact.  Changing this now avoids possibly
having to introduce versioning into clients.  Note there are still
some "without overlaps" variables left, which deal specifically with
the parsing of the primary key/unique constraint feature.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/flat/CA+renyUApHgSZF9-nd-a0+OPGharLQLO=mDHcY4_qQ0+noCUVg@mail.gmail.com
2024-03-05 11:24:17 +01:00
config Remove AIX support 2024-02-28 15:17:23 +04:00
contrib Fix buildfarm failures from 2af07e2f74. 2024-03-04 19:42:16 -08:00
doc Rename pg_constraint.conwithoutoverlaps to conperiod 2024-03-05 11:24:17 +01:00
src Rename pg_constraint.conwithoutoverlaps to conperiod 2024-03-05 11:24:17 +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.md Convert README to Markdown. 2024-02-28 14:53:52 -06:00

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/.