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Michael Paquier d3c0cc4447 Switch query fixing aclitems in ~15 from O(N^2) to O(N) in upgrade_adapt.sql 
f4f2f2b was doing a sequential scan of pg_class before checking if a
relation had attributes dependent on aclitem as data typewhen building
the set of ALTER TABLE queries, but it would be costly on a regression
database.

While on it, make the query style more consistent with the rest.

Reported-by: Justin Pryzby
Discussion: https://postgr.es/m/20221223032724.GQ1153@telsasoft.com
 		2022-12-26 08:00:55 +09:00
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src Switch query fixing aclitems in ~15 from O(N^2) to O(N) in upgrade_adapt.sql 2022-12-26 08:00:55 +09:00
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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.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download/

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.