13 lines
554 B
SQL
Vendored
13 lines
554 B
SQL
Vendored
/* contrib/pg_freespacemap/pg_freespacemap--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 pg_freespacemap UPDATE TO '1.3'" to load this file. \quit
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CREATE OR REPLACE FUNCTION
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pg_freespace(rel regclass, blkno OUT bigint, avail OUT int2)
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RETURNS SETOF RECORD
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LANGUAGE SQL PARALLEL SAFE
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BEGIN ATOMIC
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SELECT blkno, pg_freespace($1, blkno) AS avail
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FROM generate_series('0'::bigint, pg_relation_size($1) / current_setting('block_size'::text)::bigint - '1'::bigint) AS blkno;
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END;
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