/* contrib/pg_stat_statements/pg_stat_statements--1.3.sql */

-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pg_stat_statements" to load this file. \quit

-- Register functions.
CREATE FUNCTION pg_stat_statements_reset()
RETURNS void
AS 'MODULE_PATHNAME'
LANGUAGE C;

CREATE FUNCTION pg_stat_statements(IN showtext boolean,
    OUT userid oid,
    OUT dbid oid,
    OUT queryid bigint,
    OUT query text,
    OUT calls int8,
    OUT total_time float8,
    OUT min_time float8,
    OUT max_time float8,
    OUT mean_time float8,
    OUT stddev_time float8,
    OUT rows int8,
    OUT shared_blks_hit int8,
    OUT shared_blks_read int8,
    OUT shared_blks_dirtied int8,
    OUT shared_blks_written int8,
    OUT local_blks_hit int8,
    OUT local_blks_read int8,
    OUT local_blks_dirtied int8,
    OUT local_blks_written int8,
    OUT temp_blks_read int8,
    OUT temp_blks_written int8,
    OUT blk_read_time float8,
    OUT blk_write_time float8
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_statements_1_3'
LANGUAGE C STRICT VOLATILE;

-- Register a view on the function for ease of use.
CREATE VIEW pg_stat_statements AS
  SELECT * FROM pg_stat_statements(true);

GRANT SELECT ON pg_stat_statements TO PUBLIC;

-- Don't want this to be available to non-superusers.
REVOKE ALL ON FUNCTION pg_stat_statements_reset() FROM PUBLIC;
