postgresql/contrib/pgstattuple/pgstattuple--1.2--1.3.sql

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

19 lines
1.1 KiB
MySQL
Raw Normal View History

/* contrib/pgstattuple/pgstattuple--1.2--1.3.sql */
-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION pgstattuple UPDATE TO '1.3'" to load this file. \quit
CREATE FUNCTION pgstattuple_approx(IN reloid regclass,
OUT table_len BIGINT, -- physical table length in bytes
OUT scanned_percent FLOAT8, -- what percentage of the table's pages was scanned
OUT approx_tuple_count BIGINT, -- estimated number of live tuples
OUT approx_tuple_len BIGINT, -- estimated total length in bytes of live tuples
OUT approx_tuple_percent FLOAT8, -- live tuples in % (based on estimate)
OUT dead_tuple_count BIGINT, -- exact number of dead tuples
OUT dead_tuple_len BIGINT, -- exact total length in bytes of dead tuples
OUT dead_tuple_percent FLOAT8, -- dead tuples in % (based on estimate)
OUT approx_free_space BIGINT, -- estimated free space in bytes
OUT approx_free_percent FLOAT8) -- free space in % (based on estimate)
AS 'MODULE_PATHNAME', 'pgstattuple_approx'
LANGUAGE C STRICT;