diff --git a/mysql-test/r/null.result b/mysql-test/r/null.result index f321ac978f5..3da7e4805c2 100644 --- a/mysql-test/r/null.result +++ b/mysql-test/r/null.result @@ -1566,6 +1566,11 @@ f1 EXECUTE stmt; f1 DROP TABLE t1; +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +SELECT * FROM t1 WHERE NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(i = ROUND(0), 14), 13), 12), 11), 10), 9), 8), 7), 6), 5), 4), 3), 2), 1); +i +DROP TABLE t1; # # End of 10.1 tests # diff --git a/mysql-test/t/null.test b/mysql-test/t/null.test index cdc9ceb27e0..a5db4442183 100644 --- a/mysql-test/t/null.test +++ b/mysql-test/t/null.test @@ -997,6 +997,16 @@ PREPARE stmt FROM "SELECT * FROM t1 WHERE NULLIF( ( 1, 2 ) IN ( SELECT 3, 4 ), 1 EXECUTE stmt; EXECUTE stmt; DROP TABLE t1; + +# +# MDEV-9683 Server crashes in Item::basic_const_item on numerous nested NULLIFs +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +SELECT * FROM t1 WHERE NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(i = ROUND(0), 14), 13), 12), 11), 10), 9), 8), 7), 6), 5), 4), 3), 2), 1); +DROP TABLE t1; + + --echo # --echo # End of 10.1 tests --echo #