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-rw-r--r--mysql-test/t/win.test9
1 files changed, 9 insertions, 0 deletions
diff --git a/mysql-test/t/win.test b/mysql-test/t/win.test
index deed7de2d23..b749b235082 100644
--- a/mysql-test/t/win.test
+++ b/mysql-test/t/win.test
@@ -2498,5 +2498,14 @@ SELECT ROW_NUMBER() OVER w2 FROM t1 WINDOW w2 AS (PARTITION BY -1,0,1,2,3,4,5,6)
DROP TABLE t1;
--echo #
+--echo # MDEV-18916: crash in Window_spec::print_partition() with decimals
+--echo #
+
+--error ER_TOO_BIG_SCALE
+SELECT cast((rank() over w1) as decimal (53,56));
+--error ER_WRONG_WINDOW_SPEC_NAME
+SELECT cast((rank() over w1) as decimal (53,30));
+
+--echo #
--echo # End of 10.2 tests
--echo #