contrib/pg_stat_statements/expected/wal.out

   1 --
   2 -- Validate WAL generation metrics
   3 --
   4 SET pg_stat_statements.track_utility = FALSE;
   5 CREATE TABLE pgss_wal_tab (a int, b char(20));
   6 INSERT INTO pgss_wal_tab VALUES(generate_series(1, 10), 'aaa');
   7 UPDATE pgss_wal_tab SET b = 'bbb' WHERE a > 7;
   8 DELETE FROM pgss_wal_tab WHERE a > 9;
   9 DROP TABLE pgss_wal_tab;
  10 -- Check WAL is generated for the above statements
  11 SELECT query, calls, rows,
  12 wal_bytes > 0 as wal_bytes_generated,
  13 wal_records > 0 as wal_records_generated,
  14 wal_records >= rows as wal_records_ge_rows
  15 FROM pg_stat_statements ORDER BY query COLLATE "C";
  16                             query                             | calls | rows | wal_bytes_generated | wal_records_generated | wal_records_ge_rows
  17 --------------------------------------------------------------+-------+------+---------------------+-----------------------+---------------------
  18  DELETE FROM pgss_wal_tab WHERE a > $1                        |     1 |    1 | t                   | t                     | t
  19  INSERT INTO pgss_wal_tab VALUES(generate_series($1, $2), $3) |     1 |   10 | t                   | t                     | t
  20  SELECT pg_stat_statements_reset() IS NOT NULL AS t           |     1 |    1 | f                   | f                     | f
  21  SET pg_stat_statements.track_utility = $1                    |     1 |    0 | f                   | f                     | t
  22  UPDATE pgss_wal_tab SET b = $1 WHERE a > $2                  |     1 |    3 | t                   | t                     | t
  23 (5 rows)
  24
  25 SELECT pg_stat_statements_reset() IS NOT NULL AS t;
  26  t
  27 ---
  28  t
  29 (1 row)
  30