diff options
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/regress/expected/stats_ext.out | 7 | ||||
| -rw-r--r-- | src/test/regress/sql/stats_ext.sql | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/test/regress/expected/stats_ext.out b/src/test/regress/expected/stats_ext.out index b65228fa07a..dfbc41c390d 100644 --- a/src/test/regress/expected/stats_ext.out +++ b/src/test/regress/expected/stats_ext.out @@ -233,6 +233,13 @@ SELECT s.stxkind, d.stxdndistinct {d,f,m} | {"3, 4": 11, "3, 6": 11, "4, 6": 11, "3, 4, 6": 11} (1 row) +-- minor improvement, make sure the ctid does not break the matching +SELECT * FROM check_estimated_rows('SELECT COUNT(*) FROM ndistinct GROUP BY ctid, a, b'); + estimated | actual +-----------+-------- + 11 | 1000 +(1 row) + -- Hash Aggregate, thanks to estimates improved by the statistic SELECT * FROM check_estimated_rows('SELECT COUNT(*) FROM ndistinct GROUP BY a, b'); estimated | actual diff --git a/src/test/regress/sql/stats_ext.sql b/src/test/regress/sql/stats_ext.sql index 040ee97a1e5..6237fb25c20 100644 --- a/src/test/regress/sql/stats_ext.sql +++ b/src/test/regress/sql/stats_ext.sql @@ -167,6 +167,9 @@ SELECT s.stxkind, d.stxdndistinct WHERE s.stxrelid = 'ndistinct'::regclass AND d.stxoid = s.oid; +-- minor improvement, make sure the ctid does not break the matching +SELECT * FROM check_estimated_rows('SELECT COUNT(*) FROM ndistinct GROUP BY ctid, a, b'); + -- Hash Aggregate, thanks to estimates improved by the statistic SELECT * FROM check_estimated_rows('SELECT COUNT(*) FROM ndistinct GROUP BY a, b'); |