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Diffstat (limited to 'mysql-test/t/sum_distinct.test')
| -rw-r--r-- | mysql-test/t/sum_distinct.test | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/t/sum_distinct.test b/mysql-test/t/sum_distinct.test index c58155a8e25..633a72fddc8 100644 --- a/mysql-test/t/sum_distinct.test +++ b/mysql-test/t/sum_distinct.test @@ -93,3 +93,15 @@ SELECT SUM(DISTINCT id) FROM t1; SELECT SUM(DISTINCT id % 11) FROM t1; DROP TABLE t1; + +--echo # +--echo # Bug #777654: empty subselect in FROM clause returning +--echo # SUM(DISTINCT) over non-nullable field +--echo # + +CREATE TABLE t1 (a int NOT NULL) ; + +SELECT SUM(DISTINCT a) FROM t1; +SELECT * FROM (SELECT SUM(DISTINCT a) FROM t1) AS t; + +DROP TABLE t1; |