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/* contrib/pgstattuple/pgstattuple--1.3.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pgstattuple" to load this file. \quit
CREATE FUNCTION pgstattuple(IN relname text,
OUT table_len BIGINT, -- physical table length in bytes
OUT tuple_count BIGINT, -- number of live tuples
OUT tuple_len BIGINT, -- total tuples length in bytes
OUT tuple_percent FLOAT8, -- live tuples in %
OUT dead_tuple_count BIGINT, -- number of dead tuples
OUT dead_tuple_len BIGINT, -- total dead tuples length in bytes
OUT dead_tuple_percent FLOAT8, -- dead tuples in %
OUT free_space BIGINT, -- free space in bytes
OUT free_percent FLOAT8) -- free space in %
AS 'MODULE_PATHNAME', 'pgstattuple'
LANGUAGE C STRICT;
CREATE FUNCTION pgstatindex(IN relname text,
OUT version INT,
OUT tree_level INT,
OUT index_size BIGINT,
OUT root_block_no BIGINT,
OUT internal_pages BIGINT,
OUT leaf_pages BIGINT,
OUT empty_pages BIGINT,
OUT deleted_pages BIGINT,
OUT avg_leaf_density FLOAT8,
OUT leaf_fragmentation FLOAT8)
AS 'MODULE_PATHNAME', 'pgstatindex'
LANGUAGE C STRICT;
CREATE FUNCTION pg_relpages(IN relname text)
RETURNS BIGINT
AS 'MODULE_PATHNAME', 'pg_relpages'
LANGUAGE C STRICT;
/* New stuff in 1.1 begins here */
CREATE FUNCTION pgstatginindex(IN relname regclass,
OUT version INT4,
OUT pending_pages INT4,
OUT pending_tuples BIGINT)
AS 'MODULE_PATHNAME', 'pgstatginindex'
LANGUAGE C STRICT;
/* New stuff in 1.2 begins here */
CREATE FUNCTION pgstattuple(IN reloid regclass,
OUT table_len BIGINT, -- physical table length in bytes
OUT tuple_count BIGINT, -- number of live tuples
OUT tuple_len BIGINT, -- total tuples length in bytes
OUT tuple_percent FLOAT8, -- live tuples in %
OUT dead_tuple_count BIGINT, -- number of dead tuples
OUT dead_tuple_len BIGINT, -- total dead tuples length in bytes
OUT dead_tuple_percent FLOAT8, -- dead tuples in %
OUT free_space BIGINT, -- free space in bytes
OUT free_percent FLOAT8) -- free space in %
AS 'MODULE_PATHNAME', 'pgstattuplebyid'
LANGUAGE C STRICT;
CREATE FUNCTION pgstatindex(IN relname regclass,
OUT version INT,
OUT tree_level INT,
OUT index_size BIGINT,
OUT root_block_no BIGINT,
OUT internal_pages BIGINT,
OUT leaf_pages BIGINT,
OUT empty_pages BIGINT,
OUT deleted_pages BIGINT,
OUT avg_leaf_density FLOAT8,
OUT leaf_fragmentation FLOAT8)
AS 'MODULE_PATHNAME', 'pgstatindexbyid'
LANGUAGE C STRICT;
CREATE FUNCTION pg_relpages(IN relname regclass)
RETURNS BIGINT
AS 'MODULE_PATHNAME', 'pg_relpagesbyid'
LANGUAGE C STRICT;
/* New stuff in 1.3 begins here */
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;