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https://git.postgresql.org/git/postgresql.git
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280 lines
6.1 KiB
PL/PgSQL
280 lines
6.1 KiB
PL/PgSQL
/* contrib/pageinspect/pageinspect--1.5.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION pageinspect" to load this file. \quit
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--
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-- get_raw_page()
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--
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CREATE FUNCTION get_raw_page(text, int4)
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RETURNS bytea
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AS 'MODULE_PATHNAME', 'get_raw_page'
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LANGUAGE C STRICT PARALLEL SAFE;
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CREATE FUNCTION get_raw_page(text, text, int4)
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RETURNS bytea
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AS 'MODULE_PATHNAME', 'get_raw_page_fork'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- page_header()
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--
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CREATE FUNCTION page_header(IN page bytea,
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OUT lsn pg_lsn,
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OUT checksum smallint,
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OUT flags smallint,
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OUT lower smallint,
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OUT upper smallint,
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OUT special smallint,
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OUT pagesize smallint,
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OUT version smallint,
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OUT prune_xid xid)
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AS 'MODULE_PATHNAME', 'page_header'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- heap_page_items()
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--
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CREATE FUNCTION heap_page_items(IN page bytea,
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OUT lp smallint,
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OUT lp_off smallint,
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OUT lp_flags smallint,
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OUT lp_len smallint,
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OUT t_xmin xid,
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OUT t_xmax xid,
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OUT t_field3 int4,
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OUT t_ctid tid,
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OUT t_infomask2 integer,
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OUT t_infomask integer,
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OUT t_hoff smallint,
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OUT t_bits text,
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OUT t_oid oid,
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OUT t_data bytea)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'heap_page_items'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- tuple_data_split()
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--
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CREATE FUNCTION tuple_data_split(rel_oid oid,
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t_data bytea,
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t_infomask integer,
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t_infomask2 integer,
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t_bits text)
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RETURNS bytea[]
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AS 'MODULE_PATHNAME','tuple_data_split'
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LANGUAGE C PARALLEL SAFE;
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CREATE FUNCTION tuple_data_split(rel_oid oid,
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t_data bytea,
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t_infomask integer,
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t_infomask2 integer,
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t_bits text,
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do_detoast bool)
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RETURNS bytea[]
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AS 'MODULE_PATHNAME','tuple_data_split'
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LANGUAGE C PARALLEL SAFE;
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--
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-- heap_page_item_attrs()
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--
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CREATE FUNCTION heap_page_item_attrs(
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IN page bytea,
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IN rel_oid regclass,
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IN do_detoast bool,
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OUT lp smallint,
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OUT lp_off smallint,
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OUT lp_flags smallint,
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OUT lp_len smallint,
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OUT t_xmin xid,
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OUT t_xmax xid,
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OUT t_field3 int4,
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OUT t_ctid tid,
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OUT t_infomask2 integer,
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OUT t_infomask integer,
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OUT t_hoff smallint,
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OUT t_bits text,
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OUT t_oid oid,
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OUT t_attrs bytea[]
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)
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RETURNS SETOF record AS $$
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SELECT lp,
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lp_off,
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lp_flags,
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lp_len,
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t_xmin,
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t_xmax,
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t_field3,
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t_ctid,
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t_infomask2,
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t_infomask,
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t_hoff,
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t_bits,
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t_oid,
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tuple_data_split(
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rel_oid,
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t_data,
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t_infomask,
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t_infomask2,
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t_bits,
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do_detoast)
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AS t_attrs
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FROM heap_page_items(page);
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$$ LANGUAGE SQL PARALLEL SAFE;
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CREATE FUNCTION heap_page_item_attrs(IN page bytea, IN rel_oid regclass,
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OUT lp smallint,
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OUT lp_off smallint,
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OUT lp_flags smallint,
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OUT lp_len smallint,
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OUT t_xmin xid,
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OUT t_xmax xid,
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OUT t_field3 int4,
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OUT t_ctid tid,
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OUT t_infomask2 integer,
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OUT t_infomask integer,
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OUT t_hoff smallint,
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OUT t_bits text,
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OUT t_oid oid,
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OUT t_attrs bytea[]
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)
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RETURNS SETOF record AS $$
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SELECT * from heap_page_item_attrs(page, rel_oid, false);
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$$ LANGUAGE SQL PARALLEL SAFE;
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--
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-- bt_metap()
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--
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CREATE FUNCTION bt_metap(IN relname text,
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OUT magic int4,
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OUT version int4,
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OUT root int4,
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OUT level int4,
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OUT fastroot int4,
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OUT fastlevel int4)
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AS 'MODULE_PATHNAME', 'bt_metap'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- bt_page_stats()
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--
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CREATE FUNCTION bt_page_stats(IN relname text, IN blkno int4,
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OUT blkno int4,
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OUT type "char",
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OUT live_items int4,
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OUT dead_items int4,
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OUT avg_item_size int4,
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OUT page_size int4,
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OUT free_size int4,
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OUT btpo_prev int4,
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OUT btpo_next int4,
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OUT btpo int4,
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OUT btpo_flags int4)
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AS 'MODULE_PATHNAME', 'bt_page_stats'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- bt_page_items()
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--
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CREATE FUNCTION bt_page_items(IN relname text, IN blkno int4,
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OUT itemoffset smallint,
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OUT ctid tid,
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OUT itemlen smallint,
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OUT nulls bool,
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OUT vars bool,
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OUT data text)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'bt_page_items'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- brin_page_type()
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--
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CREATE FUNCTION brin_page_type(IN page bytea)
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RETURNS text
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AS 'MODULE_PATHNAME', 'brin_page_type'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- brin_metapage_info()
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--
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CREATE FUNCTION brin_metapage_info(IN page bytea, OUT magic text,
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OUT version integer, OUT pagesperrange integer, OUT lastrevmappage bigint)
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AS 'MODULE_PATHNAME', 'brin_metapage_info'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- brin_revmap_data()
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--
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CREATE FUNCTION brin_revmap_data(IN page bytea,
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OUT pages tid)
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RETURNS SETOF tid
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AS 'MODULE_PATHNAME', 'brin_revmap_data'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- brin_page_items()
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--
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CREATE FUNCTION brin_page_items(IN page bytea, IN index_oid regclass,
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OUT itemoffset int,
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OUT blknum int,
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OUT attnum int,
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OUT allnulls bool,
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OUT hasnulls bool,
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OUT placeholder bool,
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OUT value text)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'brin_page_items'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- fsm_page_contents()
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--
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CREATE FUNCTION fsm_page_contents(IN page bytea)
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RETURNS text
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AS 'MODULE_PATHNAME', 'fsm_page_contents'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- GIN functions
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--
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--
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-- gin_metapage_info()
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--
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CREATE FUNCTION gin_metapage_info(IN page bytea,
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OUT pending_head bigint,
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OUT pending_tail bigint,
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OUT tail_free_size int4,
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OUT n_pending_pages bigint,
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OUT n_pending_tuples bigint,
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OUT n_total_pages bigint,
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OUT n_entry_pages bigint,
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OUT n_data_pages bigint,
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OUT n_entries bigint,
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OUT version int4)
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AS 'MODULE_PATHNAME', 'gin_metapage_info'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- gin_page_opaque_info()
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--
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CREATE FUNCTION gin_page_opaque_info(IN page bytea,
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OUT rightlink bigint,
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OUT maxoff int4,
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OUT flags text[])
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AS 'MODULE_PATHNAME', 'gin_page_opaque_info'
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LANGUAGE C STRICT PARALLEL SAFE;
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--
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-- gin_leafpage_items()
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--
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CREATE FUNCTION gin_leafpage_items(IN page bytea,
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OUT first_tid tid,
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OUT nbytes int2,
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OUT tids tid[])
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'gin_leafpage_items'
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LANGUAGE C STRICT PARALLEL SAFE;
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