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