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| 1 | +/* contrib/pageinspect/pageinspect--1.1.sql */ |
| 2 | + |
| 3 | +-- complain if script is sourced in psql, rather than via CREATE EXTENSION |
| 4 | +\echo Use "CREATE EXTENSION pageinspect" to load this file. \quit |
| 5 | + |
| 6 | +-- |
| 7 | +-- get_raw_page() |
| 8 | +-- |
| 9 | +CREATE FUNCTION get_raw_page(text, int4) |
| 10 | +RETURNS bytea |
| 11 | +AS 'MODULE_PATHNAME', 'get_raw_page' |
| 12 | +LANGUAGE C STRICT; |
| 13 | + |
| 14 | +CREATE FUNCTION get_raw_page(text, text, int4) |
| 15 | +RETURNS bytea |
| 16 | +AS 'MODULE_PATHNAME', 'get_raw_page_fork' |
| 17 | +LANGUAGE C STRICT; |
| 18 | + |
| 19 | +-- |
| 20 | +-- page_header() |
| 21 | +-- |
| 22 | +CREATE FUNCTION page_header(IN page bytea, |
| 23 | + OUT lsn text, |
| 24 | + OUT checksum smallint, |
| 25 | + OUT flags smallint, |
| 26 | + OUT lower smallint, |
| 27 | + OUT upper smallint, |
| 28 | + OUT special smallint, |
| 29 | + OUT pagesize smallint, |
| 30 | + OUT version smallint, |
| 31 | + OUT prune_xid xid) |
| 32 | +AS 'MODULE_PATHNAME', 'page_header' |
| 33 | +LANGUAGE C STRICT; |
| 34 | + |
| 35 | +-- |
| 36 | +-- heap_page_items() |
| 37 | +-- |
| 38 | +CREATE FUNCTION heap_page_items(IN page bytea, |
| 39 | + OUT lp smallint, |
| 40 | + OUT lp_off smallint, |
| 41 | + OUT lp_flags smallint, |
| 42 | + OUT lp_len smallint, |
| 43 | + OUT t_xmin xid, |
| 44 | + OUT t_xmax xid, |
| 45 | + OUT t_field3 int4, |
| 46 | + OUT t_ctid tid, |
| 47 | + OUT t_infomask2 integer, |
| 48 | + OUT t_infomask integer, |
| 49 | + OUT t_hoff smallint, |
| 50 | + OUT t_bits text, |
| 51 | + OUT t_oid oid) |
| 52 | +RETURNS SETOF record |
| 53 | +AS 'MODULE_PATHNAME', 'heap_page_items' |
| 54 | +LANGUAGE C STRICT; |
| 55 | + |
| 56 | +-- |
| 57 | +-- bt_metap() |
| 58 | +-- |
| 59 | +CREATE FUNCTION bt_metap(IN relname text, |
| 60 | + OUT magic int4, |
| 61 | + OUT version int4, |
| 62 | + OUT root int4, |
| 63 | + OUT level int4, |
| 64 | + OUT fastroot int4, |
| 65 | + OUT fastlevel int4) |
| 66 | +AS 'MODULE_PATHNAME', 'bt_metap' |
| 67 | +LANGUAGE C STRICT; |
| 68 | + |
| 69 | +-- |
| 70 | +-- bt_page_stats() |
| 71 | +-- |
| 72 | +CREATE FUNCTION bt_page_stats(IN relname text, IN blkno int4, |
| 73 | + OUT blkno int4, |
| 74 | + OUT type "char", |
| 75 | + OUT live_items int4, |
| 76 | + OUT dead_items int4, |
| 77 | + OUT avg_item_size int4, |
| 78 | + OUT page_size int4, |
| 79 | + OUT free_size int4, |
| 80 | + OUT btpo_prev int4, |
| 81 | + OUT btpo_next int4, |
| 82 | + OUT btpo int4, |
| 83 | + OUT btpo_flags int4) |
| 84 | +AS 'MODULE_PATHNAME', 'bt_page_stats' |
| 85 | +LANGUAGE C STRICT; |
| 86 | + |
| 87 | +-- |
| 88 | +-- bt_page_items() |
| 89 | +-- |
| 90 | +CREATE FUNCTION bt_page_items(IN relname text, IN blkno int4, |
| 91 | + OUT itemoffset smallint, |
| 92 | + OUT ctid tid, |
| 93 | + OUT itemlen smallint, |
| 94 | + OUT nulls bool, |
| 95 | + OUT vars bool, |
| 96 | + OUT data text) |
| 97 | +RETURNS SETOF record |
| 98 | +AS 'MODULE_PATHNAME', 'bt_page_items' |
| 99 | +LANGUAGE C STRICT; |
| 100 | + |
| 101 | +-- |
| 102 | +-- fsm_page_contents() |
| 103 | +-- |
| 104 | +CREATE FUNCTION fsm_page_contents(IN page bytea) |
| 105 | +RETURNS text |
| 106 | +AS 'MODULE_PATHNAME', 'fsm_page_contents' |
| 107 | +LANGUAGE C STRICT; |
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