postgresql/contrib/pg_stat_statements/pg_stat_statements--1.1.sql
Robert Haas 2254367435 Make EXPLAIN (BUFFERS) track blocks dirtied, as well as those written.
Also expose the new counters through pg_stat_statements.

Patch by me.  Review by Fujii Masao and Greg Smith.
2012-02-22 20:33:05 -05:00

42 lines
1.1 KiB
SQL

/* contrib/pg_stat_statements/pg_stat_statements--1.1.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(
OUT userid oid,
OUT dbid oid,
OUT query text,
OUT calls int8,
OUT total_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
)
RETURNS SETOF record
AS 'MODULE_PATHNAME'
LANGUAGE C;
-- Register a view on the function for ease of use.
CREATE VIEW pg_stat_statements AS
SELECT * FROM pg_stat_statements();
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;