110 lines
1.9 KiB
MySQL
110 lines
1.9 KiB
MySQL
-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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--
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-- get_raw_page()
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--
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CREATE OR REPLACE 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;
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--
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-- page_header()
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--
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CREATE TYPE page_header_type AS (
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lsn text,
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tli smallint,
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flags smallint,
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lower smallint,
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upper smallint,
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special smallint,
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pagesize smallint,
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version smallint
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);
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CREATE OR REPLACE FUNCTION page_header(bytea)
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RETURNS page_header_type
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AS 'MODULE_PATHNAME', 'page_header'
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LANGUAGE C STRICT;
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--
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-- heap_page_items()
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--
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CREATE TYPE heap_page_items_type AS (
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lp smallint,
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lp_off smallint,
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lp_flags smallint,
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lp_len smallint,
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t_xmin xid,
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t_xmax xid,
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t_field3 int4,
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t_ctid tid,
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t_infomask2 smallint,
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t_infomask smallint,
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t_hoff smallint,
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t_bits text,
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t_oid oid
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);
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CREATE OR REPLACE FUNCTION heap_page_items(bytea)
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RETURNS SETOF heap_page_items_type
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AS 'MODULE_PATHNAME', 'heap_page_items'
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LANGUAGE C STRICT;
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--
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-- bt_metap()
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--
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CREATE TYPE bt_metap_type AS (
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magic int4,
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version int4,
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root int4,
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level int4,
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fastroot int4,
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fastlevel int4
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);
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CREATE OR REPLACE FUNCTION bt_metap(text)
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RETURNS bt_metap_type
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AS 'MODULE_PATHNAME', 'bt_metap'
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LANGUAGE 'C' STRICT;
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--
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-- bt_page_stats()
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--
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CREATE TYPE bt_page_stats_type AS (
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blkno int4,
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type char,
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live_items int4,
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dead_items int4,
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avg_item_size float,
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page_size int4,
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free_size int4,
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btpo_prev int4,
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btpo_next int4,
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btpo int4,
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btpo_flags int4
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);
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CREATE OR REPLACE FUNCTION bt_page_stats(text, int4)
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RETURNS bt_page_stats_type
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AS 'MODULE_PATHNAME', 'bt_page_stats'
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LANGUAGE 'C' STRICT;
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--
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-- bt_page_items()
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--
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CREATE TYPE bt_page_items_type AS (
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itemoffset smallint,
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ctid tid,
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itemlen smallint,
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nulls bool,
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vars bool,
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data text
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);
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CREATE OR REPLACE FUNCTION bt_page_items(text, int4)
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RETURNS SETOF bt_page_items_type
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AS 'MODULE_PATHNAME', 'bt_page_items'
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LANGUAGE 'C' STRICT;
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