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-rw-r--r--mysql-test/main/opt_trace.test10
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/main/opt_trace.test b/mysql-test/main/opt_trace.test
index 855ce11aaf5..ab30b23b743 100644
--- a/mysql-test/main/opt_trace.test
+++ b/mysql-test/main/opt_trace.test
@@ -654,5 +654,15 @@ SELECT a FROM t1 WHERE (a,b) in (SELECT @c,@d);
DROP TABLE t1;
--echo #
+--echo # MDEV-28598: Assertion `got_name == named_item_expected()' failed in Json_writer::on_start_object
+--echo #
+
+CREATE TABLE t1 (a int);
+SET optimizer_trace=1;
+INSERT INTO t1 VALUES (1),(2),(3);
+SELECT * FROM t1 WHERE a IN (SELECT 1 a FROM t1 WHERE EXISTS (select 1));
+DROP TABLE t1;
+
+--echo #
--echo # End of 10.4 tests
--echo #