2 files changed, 51 insertions, 0 deletions
diff --git a/mysql-test/suite/compat/oracle/r/misc.result b/mysql-test/suite/compat/oracle/r/misc.result
index 38f38bd07e6..fed7e26c31b 100644
--- a/mysql-test/suite/compat/oracle/r/misc.result
+++ b/mysql-test/suite/compat/oracle/r/misc.result
@@ -1,5 +1,25 @@
 SET sql_mode=ORACLE;
 #
+# Start of 10.2 tests
+#
+#
+# MDEV-27690 Crash on `CHARACTER SET csname COLLATE DEFAULT` in column definition
+#
+CREATE TABLE t1 (a CHAR(10) CHARACTER SET latin1 COLLATE DEFAULT);
+DROP TABLE t1;
+SELECT CAST('a' AS CHAR(10) CHARACTER SET latin1 COLLATE DEFAULT);
+CAST('a' AS CHAR(10) CHARACTER SET latin1 COLLATE DEFAULT)
+a
+SELECT COLUMN_GET(COLUMN_CREATE(0, 'string'),0 AS CHAR CHARACTER SET latin1 COLLATE DEFAULT) AS c1;
+c1
+string
+#
+# End of 10.2 tests
+#
+#
+# Start of 10.3 tests
+#
+#
 # MDEV-12086 sql_mode=ORACLE: allow SELECT UNIQUE as a synonym for SELECT DISTINCT
 #
 CREATE TABLE t1 (a INT);
@@ -10,3 +30,6 @@ a
 20
 30
 DROP TABLE t1;
+#
+# End of 10.3 tests
+#
diff --git a/mysql-test/suite/compat/oracle/t/misc.test b/mysql-test/suite/compat/oracle/t/misc.test
index d939b20f8a0..b3fdfdf3851 100644
--- a/mysql-test/suite/compat/oracle/t/misc.test
+++ b/mysql-test/suite/compat/oracle/t/misc.test
@@ -1,6 +1,29 @@
 SET sql_mode=ORACLE;
 
 --echo #
+--echo # Start of 10.2 tests
+--echo #
+
+--echo #
+--echo # MDEV-27690 Crash on `CHARACTER SET csname COLLATE DEFAULT` in column definition
+--echo #
+
+CREATE TABLE t1 (a CHAR(10) CHARACTER SET latin1 COLLATE DEFAULT);
+DROP TABLE t1;
+SELECT CAST('a' AS CHAR(10) CHARACTER SET latin1 COLLATE DEFAULT);
+SELECT COLUMN_GET(COLUMN_CREATE(0, 'string'),0 AS CHAR CHARACTER SET latin1 COLLATE DEFAULT) AS c1;
+
+--echo #
+--echo # End of 10.2 tests
+--echo #
+
+
+
+--echo #
+--echo # Start of 10.3 tests
+--echo #
+
+--echo #
 --echo # MDEV-12086 sql_mode=ORACLE: allow SELECT UNIQUE as a synonym for SELECT DISTINCT
 --echo #
 
@@ -8,3 +31,8 @@ CREATE TABLE t1 (a INT);
 INSERT INTO t1 VALUES (10),(20),(20),(30),(30),(30);
 SELECT UNIQUE a FROM t1;
 DROP TABLE t1;
+
+
+--echo #
+--echo # End of 10.3 tests
+--echo #