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Peter Eisentraut a6bc330192 Add read support for some missing raw parse nodes
The node types A_Const, Constraint, and A_Expr had custom output
functions, but no read functions were implemented so far.

The A_Expr output format had to be tweaked a bit to make it easier to
parse.

Be a bit more cautious about applying strncmp to unterminated strings.

Also error out if an unrecognized enum value is found in each case,
instead of just printing a placeholder value.  That was maybe ok for
debugging but won't work if we want to have robust round-tripping.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/4159834.1657405226@sss.pgh.pa.us
2022-09-24 18:18:33 -04:00
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contrib Harmonize parameter names in contrib code. 2022-09-22 13:59:20 -07:00
doc Improve terminology 2022-09-23 21:18:17 -04:00
src Add read support for some missing raw parse nodes 2022-09-24 18:18:33 -04:00
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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/.