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Robert Haas 2c8726c4b0 Factor pattern-construction logic out of processSQLNamePattern.
The logic for converting the shell-glob-like syntax supported by
utilities like psql and pg_dump to regular expression is
extracted into a new function patternToSQLRegex. The existing
function processSQLNamePattern now uses this function as a
subroutine.

patternToSQLRegex is a little more general than what is required
by processSQLNamePattern. That function is only interested in
patterns that can have up to 2 parts, a schema and a relation;
but patternToSQLRegex can limit the maximum number of parts to
between 1 and 3, so that patterns can look like either
"database.schema.relation", "schema.relation", or "relation"
depending on how it's invoked and what the user specifies.

processSQLNamePattern only passes two buffers, so works exactly
the same as before, always interpreting the pattern as either
a "schema.relation" pattern or a "relation" pattern. But,
future callers can use this function in other ways.

Mark Dilger, reviewed by me. The larger patch series of which this is
a part has also had review from Peter Geoghegan, Andres Freund, Álvaro
Herrera, Michael Paquier, and Amul Sul, but I don't know whether
any of them have reviewed this bit specifically.

Discussion: http://postgr.es/m/12ED3DA8-25F0-4B68-937D-D907CFBF08E7@enterprisedb.com
Discussion: http://postgr.es/m/5F743835-3399-419C-8324-2D424237E999@enterprisedb.com
Discussion: http://postgr.es/m/70655DF3-33CE-4527-9A4D-DDEB582B6BA0@enterprisedb.com
2021-02-03 13:19:41 -05:00
config Update copyright for 2021 2021-01-02 13:06:25 -05:00
contrib Fix ancient memory leak in contrib/auto_explain. 2021-02-02 13:49:08 -05:00
doc Remove special BKI_LOOKUP magic for namespace and role OIDs. 2021-02-03 12:01:48 -05:00
src Factor pattern-construction logic out of processSQLNamePattern. 2021-02-03 13:19:41 -05:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
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aclocal.m4 Remove configure-time probe for DocBook DTD. 2020-11-30 15:24:13 -05:00
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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/.