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pg_normalize_query

PostgreSQL extension to normalize SQL statements similar to pg_stat_statements.

This code was extracted from libpg_query and transformed into a PostgreSQL extension.

Supported PostgreSQL versions

The aim of the project is support as many community-supported major versions of Postgres as possible. Currently, the following versions of PostgreSQL are supported:

9.4, 9.5, 9.6, 10, 11, 12 and master (pre-13).

Installation

$ git clone https://github.com/fabriziomello/pg_normalize_query.git
$ cd pg_normalize_query
# Make sure your path includes the bin directory that contains the correct `pg_config`
$ PATH=/path/to/pg/bin:$PATH
$ USE_PGXS=1 make
$ USE_PGXS=1 make install

Tests

$ USE_PGXS=1 make installcheck

Examples

fabrizio=# CREATE EXTENSION pg_normalize_query;
CREATE EXTENSION
fabrizio=# \dx
                       List of installed extensions
        Name        | Version |   Schema   |         Description          
--------------------+---------+------------+------------------------------
 pg_normalize_query | 1.0     | public     | Normalize SQL Query
 plpgsql            | 1.0     | pg_catalog | PL/pgSQL procedural language
(2 rows)

fabrizio=# SELECT pg_normalize_query($$SELECT * FROM pg_proc WHERE proname = 'pg_normalize_query'$$);
            pg_normalize_query            
------------------------------------------
 SELECT * FROM pg_proc WHERE proname = $1
(1 row)

fabrizio=# SELECT pg_normalize_query($$SELECT oid, relname, relkind FROM pg_class WHERE relkind IN ('r', 'i') LIMIT 10$$);
                              pg_normalize_query                               
-------------------------------------------------------------------------------
 SELECT oid, relname, relkind FROM pg_class WHERE relkind IN ($1, $2) LIMIT $3
(1 row)

Please feel free to open a PR.

Authors

License

PostgreSQL server source code, used under the PostgreSQL license.
Portions Copyright (c) 1996-2020, The PostgreSQL Global Development Group
Portions Copyright (c) 1994, The Regents of the University of California

All other parts are licensed under the 3-clause BSD license, see LICENSE file for details.
Copyright (c) 2020, Fabrízio de Royes Mello [email protected]