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-rw-r--r--mysql-test/main/explain_innodb.test19
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/main/explain_innodb.test b/mysql-test/main/explain_innodb.test
index 2c29a6e26da..3dcad4c2d49 100644
--- a/mysql-test/main/explain_innodb.test
+++ b/mysql-test/main/explain_innodb.test
@@ -18,3 +18,22 @@ SELECT * FROM (SELECT id FROM t1 GROUP BY id) dt WHERE 1=0;
SET GLOBAL slow_query_log = @sql_tmp;
drop table t1;
+
+
+--echo #
+--echo # MDEV-31181: Server crash in subselect_uniquesubquery_engine::print
+--echo # upon EXPLAIN EXTENDED DELETE
+--echo #
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (pk INT PRIMARY KEY);
+INSERT INTO t2 VALUES (1),(2);
+
+EXPLAIN EXTENDED DELETE FROM t1 WHERE a IN (SELECT pk FROM t2);
+
+drop table t1, t2;
+
+--echo #
+--echo # End of 10.4 tests
+--echo #