|
| 1 | +/* |
| 2 | + * RUM version 1.4 |
| 3 | + */ |
| 4 | + |
| 5 | +/*--------------------RUM debug functions-----------------------*/ |
| 6 | + |
| 7 | +CREATE FUNCTION rum_metapage_info( |
| 8 | + IN rel_name text, |
| 9 | + IN blk_num int4, |
| 10 | + OUT pending_head bigint, |
| 11 | + OUT pending_tail bigint, |
| 12 | + OUT tail_free_size int4, |
| 13 | + OUT n_pending_pages bigint, |
| 14 | + OUT n_pending_tuples bigint, |
| 15 | + OUT n_total_pages bigint, |
| 16 | + OUT n_entry_pages bigint, |
| 17 | + OUT n_data_pages bigint, |
| 18 | + OUT n_entries bigint, |
| 19 | + OUT version varchar) |
| 20 | +AS 'MODULE_PATHNAME', 'rum_metapage_info' |
| 21 | +LANGUAGE C STRICT PARALLEL SAFE; |
| 22 | + |
| 23 | +CREATE FUNCTION rum_page_opaque_info( |
| 24 | + IN rel_name text, |
| 25 | + IN blk_num int4, |
| 26 | + OUT leftlink bigint, |
| 27 | + OUT rightlink bigint, |
| 28 | + OUT maxoff int4, |
| 29 | + OUT freespace int4, |
| 30 | + OUT flags text[]) |
| 31 | +AS 'MODULE_PATHNAME', 'rum_page_opaque_info' |
| 32 | +LANGUAGE C STRICT PARALLEL SAFE; |
| 33 | + |
| 34 | +CREATE OR REPLACE FUNCTION |
| 35 | +rum_page_items_info(rel_name text, blk_num int4, page_type int4) |
| 36 | +RETURNS SETOF record |
| 37 | +AS 'MODULE_PATHNAME', 'rum_page_items_info' |
| 38 | +LANGUAGE C STRICT; |
| 39 | + |
| 40 | +CREATE FUNCTION rum_leaf_data_page_items( |
| 41 | + rel_name text, |
| 42 | + blk_num int4 |
| 43 | +) |
| 44 | +RETURNS TABLE( |
| 45 | + is_high_key bool, |
| 46 | + tuple_id tid, |
| 47 | + add_info_is_null bool, |
| 48 | + add_info varchar |
| 49 | +) |
| 50 | +AS $$ |
| 51 | + SELECT * |
| 52 | + FROM rum_page_items_info(rel_name, blk_num, 0) |
| 53 | + AS rum_page_items_info( |
| 54 | + is_high_key bool, |
| 55 | + tuple_id tid, |
| 56 | + add_info_is_null bool, |
| 57 | + add_info varchar |
| 58 | + ); |
| 59 | +$$ LANGUAGE sql; |
| 60 | + |
| 61 | +CREATE FUNCTION rum_internal_data_page_items( |
| 62 | + rel_name text, |
| 63 | + blk_num int4 |
| 64 | +) |
| 65 | +RETURNS TABLE( |
| 66 | + is_high_key bool, |
| 67 | + block_number int4, |
| 68 | + tuple_id tid, |
| 69 | + add_info_is_null bool, |
| 70 | + add_info varchar |
| 71 | +) |
| 72 | +AS $$ |
| 73 | + SELECT * |
| 74 | + FROM rum_page_items_info(rel_name, blk_num, 1) |
| 75 | + AS rum_page_items_info( |
| 76 | + is_high_key bool, |
| 77 | + block_number int4, |
| 78 | + tuple_id tid, |
| 79 | + add_info_is_null bool, |
| 80 | + add_info varchar |
| 81 | + ); |
| 82 | +$$ LANGUAGE sql; |
| 83 | + |
| 84 | +CREATE FUNCTION rum_leaf_entry_page_items( |
| 85 | + rel_name text, |
| 86 | + blk_num int4 |
| 87 | +) |
| 88 | +RETURNS TABLE( |
| 89 | + key varchar, |
| 90 | + attrnum int4, |
| 91 | + category varchar, |
| 92 | + tuple_id tid, |
| 93 | + add_info_is_null bool, |
| 94 | + add_info varchar, |
| 95 | + is_postring_tree bool, |
| 96 | + postring_tree_root int4 |
| 97 | +) |
| 98 | +AS $$ |
| 99 | + SELECT * |
| 100 | + FROM rum_page_items_info(rel_name, blk_num, 2) |
| 101 | + AS rum_page_items_info( |
| 102 | + key varchar, |
| 103 | + attrnum int4, |
| 104 | + category varchar, |
| 105 | + tuple_id tid, |
| 106 | + add_info_is_null bool, |
| 107 | + add_info varchar, |
| 108 | + is_postring_tree bool, |
| 109 | + postring_tree_root int4 |
| 110 | + ); |
| 111 | +$$ LANGUAGE sql; |
| 112 | + |
| 113 | +CREATE FUNCTION rum_internal_entry_page_items( |
| 114 | + rel_name text, |
| 115 | + blk_num int4 |
| 116 | +) |
| 117 | +RETURNS TABLE( |
| 118 | + key varchar, |
| 119 | + attrnum int4, |
| 120 | + category varchar, |
| 121 | + down_link int4) |
| 122 | +AS $$ |
| 123 | + SELECT * |
| 124 | + FROM rum_page_items_info(rel_name, blk_num, 3) |
| 125 | + AS rum_page_items_info( |
| 126 | + key varchar, |
| 127 | + attrnum int4, |
| 128 | + category varchar, |
| 129 | + down_link int4 |
| 130 | + ); |
| 131 | +$$ LANGUAGE sql; |
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