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Diffstat (limited to 'mysql-test/r/sum_distinct.result')
| -rw-r--r-- | mysql-test/r/sum_distinct.result | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/r/sum_distinct.result b/mysql-test/r/sum_distinct.result index c615817f52d..2746f5a09f4 100644 --- a/mysql-test/r/sum_distinct.result +++ b/mysql-test/r/sum_distinct.result @@ -95,3 +95,15 @@ SELECT SUM(DISTINCT id % 11) FROM t1; SUM(DISTINCT id % 11) 55 DROP TABLE t1; +# +# Bug #777654: empty subselect in FROM clause returning +# SUM(DISTINCT) over non-nullable field +# +CREATE TABLE t1 (a int NOT NULL) ; +SELECT SUM(DISTINCT a) FROM t1; +SUM(DISTINCT a) +NULL +SELECT * FROM (SELECT SUM(DISTINCT a) FROM t1) AS t; +SUM(DISTINCT a) +NULL +DROP TABLE t1; |