mirror of https://github.com/postgres/postgres
119 lines
2.5 KiB
PL/PgSQL
119 lines
2.5 KiB
PL/PgSQL
/* contrib/pageinspect/pageinspect--1.3--1.4.sql */
|
|
|
|
-- complain if script is sourced in psql, rather than via ALTER EXTENSION
|
|
\echo Use "ALTER EXTENSION pageinspect UPDATE TO '1.4'" to load this file. \quit
|
|
|
|
--
|
|
-- heap_page_items()
|
|
--
|
|
DROP FUNCTION heap_page_items(bytea);
|
|
CREATE FUNCTION heap_page_items(IN page bytea,
|
|
OUT lp smallint,
|
|
OUT lp_off smallint,
|
|
OUT lp_flags smallint,
|
|
OUT lp_len smallint,
|
|
OUT t_xmin xid,
|
|
OUT t_xmax xid,
|
|
OUT t_field3 int4,
|
|
OUT t_ctid tid,
|
|
OUT t_infomask2 integer,
|
|
OUT t_infomask integer,
|
|
OUT t_hoff smallint,
|
|
OUT t_bits text,
|
|
OUT t_oid oid,
|
|
OUT t_data bytea)
|
|
RETURNS SETOF record
|
|
AS 'MODULE_PATHNAME', 'heap_page_items'
|
|
LANGUAGE C STRICT;
|
|
|
|
--
|
|
-- tuple_data_split()
|
|
--
|
|
CREATE FUNCTION tuple_data_split(rel_oid oid,
|
|
t_data bytea,
|
|
t_infomask integer,
|
|
t_infomask2 integer,
|
|
t_bits text)
|
|
RETURNS bytea[]
|
|
AS 'MODULE_PATHNAME','tuple_data_split'
|
|
LANGUAGE C;
|
|
|
|
CREATE FUNCTION tuple_data_split(rel_oid oid,
|
|
t_data bytea,
|
|
t_infomask integer,
|
|
t_infomask2 integer,
|
|
t_bits text,
|
|
do_detoast bool)
|
|
RETURNS bytea[]
|
|
AS 'MODULE_PATHNAME','tuple_data_split'
|
|
LANGUAGE C;
|
|
|
|
--
|
|
-- heap_page_item_attrs()
|
|
--
|
|
CREATE FUNCTION heap_page_item_attrs(
|
|
IN page bytea,
|
|
IN rel_oid regclass,
|
|
IN do_detoast bool,
|
|
OUT lp smallint,
|
|
OUT lp_off smallint,
|
|
OUT lp_flags smallint,
|
|
OUT lp_len smallint,
|
|
OUT t_xmin xid,
|
|
OUT t_xmax xid,
|
|
OUT t_field3 int4,
|
|
OUT t_ctid tid,
|
|
OUT t_infomask2 integer,
|
|
OUT t_infomask integer,
|
|
OUT t_hoff smallint,
|
|
OUT t_bits text,
|
|
OUT t_oid oid,
|
|
OUT t_attrs bytea[]
|
|
)
|
|
RETURNS SETOF record AS $$
|
|
SELECT lp,
|
|
lp_off,
|
|
lp_flags,
|
|
lp_len,
|
|
t_xmin,
|
|
t_xmax,
|
|
t_field3,
|
|
t_ctid,
|
|
t_infomask2,
|
|
t_infomask,
|
|
t_hoff,
|
|
t_bits,
|
|
t_oid,
|
|
tuple_data_split(
|
|
rel_oid,
|
|
t_data,
|
|
t_infomask,
|
|
t_infomask2,
|
|
t_bits,
|
|
do_detoast)
|
|
AS t_attrs
|
|
FROM heap_page_items(page);
|
|
$$ LANGUAGE SQL;
|
|
|
|
CREATE FUNCTION heap_page_item_attrs(
|
|
IN page bytea,
|
|
IN rel_oid regclass,
|
|
OUT lp smallint,
|
|
OUT lp_off smallint,
|
|
OUT lp_flags smallint,
|
|
OUT lp_len smallint,
|
|
OUT t_xmin xid,
|
|
OUT t_xmax xid,
|
|
OUT t_field3 int4,
|
|
OUT t_ctid tid,
|
|
OUT t_infomask2 integer,
|
|
OUT t_infomask integer,
|
|
OUT t_hoff smallint,
|
|
OUT t_bits text,
|
|
OUT t_oid oid,
|
|
OUT t_attrs bytea[]
|
|
)
|
|
RETURNS SETOF record AS $$
|
|
SELECT * from heap_page_item_attrs(page, rel_oid, false);
|
|
$$ LANGUAGE SQL;
|