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| 1 | +CREATE EXTENSION pg_walinspect; |
| 2 | +CREATE TABLE sample_tbl(col1 int, col2 int); |
| 3 | +-- Make sure checkpoints don't interfere with the test. |
| 4 | +SELECT lsn as wal_lsn1 FROM |
| 5 | + pg_create_physical_replication_slot('regress_pg_walinspect_slot', true, false) |
| 6 | + \gset |
| 7 | +INSERT INTO sample_tbl SELECT * FROM generate_series(1, 2); |
| 8 | +SELECT pg_current_wal_lsn() AS wal_lsn2 \gset |
| 9 | +INSERT INTO sample_tbl SELECT * FROM generate_series(1, 2); |
| 10 | +-- =================================================================== |
| 11 | +-- Tests for input validation |
| 12 | +-- =================================================================== |
| 13 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_records_info(:'wal_lsn2', :'wal_lsn1'); -- ERROR |
| 14 | +ERROR: WAL start LSN must be less than end LSN |
| 15 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_stats(:'wal_lsn2', :'wal_lsn1'); -- ERROR |
| 16 | +ERROR: WAL start LSN must be less than end LSN |
| 17 | +-- =================================================================== |
| 18 | +-- Tests for all function executions |
| 19 | +-- =================================================================== |
| 20 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_record_info(:'wal_lsn1'); |
| 21 | + ok |
| 22 | +---- |
| 23 | + t |
| 24 | +(1 row) |
| 25 | + |
| 26 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_records_info(:'wal_lsn1', :'wal_lsn2'); |
| 27 | + ok |
| 28 | +---- |
| 29 | + t |
| 30 | +(1 row) |
| 31 | + |
| 32 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_records_info_till_end_of_wal(:'wal_lsn1'); |
| 33 | + ok |
| 34 | +---- |
| 35 | + t |
| 36 | +(1 row) |
| 37 | + |
| 38 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_stats(:'wal_lsn1', :'wal_lsn2'); |
| 39 | + ok |
| 40 | +---- |
| 41 | + t |
| 42 | +(1 row) |
| 43 | + |
| 44 | +SELECT COUNT(*) >= 0 AS ok FROM pg_get_wal_stats_till_end_of_wal(:'wal_lsn1'); |
| 45 | + ok |
| 46 | +---- |
| 47 | + t |
| 48 | +(1 row) |
| 49 | + |
| 50 | +-- =================================================================== |
| 51 | +-- Test for filtering out WAL records of a particular table |
| 52 | +-- =================================================================== |
| 53 | +SELECT oid AS sample_tbl_oid FROM pg_class WHERE relname = 'sample_tbl' \gset |
| 54 | +SELECT COUNT(*) >= 1 AS ok FROM pg_get_wal_records_info(:'wal_lsn1', :'wal_lsn2') |
| 55 | + WHERE block_ref LIKE concat('%', :'sample_tbl_oid', '%') AND resource_manager = 'Heap'; |
| 56 | + ok |
| 57 | +---- |
| 58 | + t |
| 59 | +(1 row) |
| 60 | + |
| 61 | +-- =================================================================== |
| 62 | +-- Test for filtering out WAL records based on resource_manager and |
| 63 | +-- record_type |
| 64 | +-- =================================================================== |
| 65 | +SELECT COUNT(*) >= 1 AS ok FROM pg_get_wal_records_info(:'wal_lsn1', :'wal_lsn2') |
| 66 | + WHERE resource_manager = 'Heap' AND record_type = 'INSERT'; |
| 67 | + ok |
| 68 | +---- |
| 69 | + t |
| 70 | +(1 row) |
| 71 | + |
| 72 | +-- =================================================================== |
| 73 | +-- Tests for permissions |
| 74 | +-- =================================================================== |
| 75 | +CREATE ROLE regress_pg_walinspect; |
| 76 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 77 | + 'pg_get_wal_record_info(pg_lsn)', 'EXECUTE'); -- no |
| 78 | + has_function_privilege |
| 79 | +------------------------ |
| 80 | + f |
| 81 | +(1 row) |
| 82 | + |
| 83 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 84 | + 'pg_get_wal_records_info(pg_lsn, pg_lsn) ', 'EXECUTE'); -- no |
| 85 | + has_function_privilege |
| 86 | +------------------------ |
| 87 | + f |
| 88 | +(1 row) |
| 89 | + |
| 90 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 91 | + 'pg_get_wal_stats(pg_lsn, pg_lsn, boolean) ', 'EXECUTE'); -- no |
| 92 | + has_function_privilege |
| 93 | +------------------------ |
| 94 | + f |
| 95 | +(1 row) |
| 96 | + |
| 97 | +-- Functions accessible by users with role pg_read_server_files |
| 98 | +GRANT pg_read_server_files TO regress_pg_walinspect; |
| 99 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 100 | + 'pg_get_wal_record_info(pg_lsn)', 'EXECUTE'); -- yes |
| 101 | + has_function_privilege |
| 102 | +------------------------ |
| 103 | + t |
| 104 | +(1 row) |
| 105 | + |
| 106 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 107 | + 'pg_get_wal_records_info(pg_lsn, pg_lsn) ', 'EXECUTE'); -- yes |
| 108 | + has_function_privilege |
| 109 | +------------------------ |
| 110 | + t |
| 111 | +(1 row) |
| 112 | + |
| 113 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 114 | + 'pg_get_wal_stats(pg_lsn, pg_lsn, boolean) ', 'EXECUTE'); -- yes |
| 115 | + has_function_privilege |
| 116 | +------------------------ |
| 117 | + t |
| 118 | +(1 row) |
| 119 | + |
| 120 | +REVOKE pg_read_server_files FROM regress_pg_walinspect; |
| 121 | +-- Superuser can grant execute to other users |
| 122 | +GRANT EXECUTE ON FUNCTION pg_get_wal_record_info(pg_lsn) |
| 123 | + TO regress_pg_walinspect; |
| 124 | +GRANT EXECUTE ON FUNCTION pg_get_wal_records_info(pg_lsn, pg_lsn) |
| 125 | + TO regress_pg_walinspect; |
| 126 | +GRANT EXECUTE ON FUNCTION pg_get_wal_stats(pg_lsn, pg_lsn, boolean) |
| 127 | + TO regress_pg_walinspect; |
| 128 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 129 | + 'pg_get_wal_record_info(pg_lsn)', 'EXECUTE'); -- yes |
| 130 | + has_function_privilege |
| 131 | +------------------------ |
| 132 | + t |
| 133 | +(1 row) |
| 134 | + |
| 135 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 136 | + 'pg_get_wal_records_info(pg_lsn, pg_lsn) ', 'EXECUTE'); -- yes |
| 137 | + has_function_privilege |
| 138 | +------------------------ |
| 139 | + t |
| 140 | +(1 row) |
| 141 | + |
| 142 | +SELECT has_function_privilege('regress_pg_walinspect', |
| 143 | + 'pg_get_wal_stats(pg_lsn, pg_lsn, boolean) ', 'EXECUTE'); -- yes |
| 144 | + has_function_privilege |
| 145 | +------------------------ |
| 146 | + t |
| 147 | +(1 row) |
| 148 | + |
| 149 | +REVOKE EXECUTE ON FUNCTION pg_get_wal_record_info(pg_lsn) |
| 150 | + FROM regress_pg_walinspect; |
| 151 | +REVOKE EXECUTE ON FUNCTION pg_get_wal_records_info(pg_lsn, pg_lsn) |
| 152 | + FROM regress_pg_walinspect; |
| 153 | +REVOKE EXECUTE ON FUNCTION pg_get_wal_stats(pg_lsn, pg_lsn, boolean) |
| 154 | + FROM regress_pg_walinspect; |
| 155 | +-- =================================================================== |
| 156 | +-- Clean up |
| 157 | +-- =================================================================== |
| 158 | +DROP ROLE regress_pg_walinspect; |
| 159 | +SELECT pg_drop_replication_slot('regress_pg_walinspect_slot'); |
| 160 | + pg_drop_replication_slot |
| 161 | +-------------------------- |
| 162 | + |
| 163 | +(1 row) |
| 164 | + |
| 165 | +DROP TABLE sample_tbl; |
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