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-rw-r--r--mysql-test/main/ctype_upgrade.test35
1 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/main/ctype_upgrade.test b/mysql-test/main/ctype_upgrade.test
index f2fdc36554e..f28d23eeae9 100644
--- a/mysql-test/main/ctype_upgrade.test
+++ b/mysql-test/main/ctype_upgrade.test
@@ -203,3 +203,38 @@ DROP TABLE maria050313_utf8_croatian_ci;
DROP TABLE maria050533_xxx_croatian_ci;
DROP TABLE maria100004_xxx_croatian_ci;
DROP TABLE mysql050614_xxx_croatian_ci;
+
+
+--echo #
+--echo # Start of 10.4 tests
+--echo #
+
+--echo #
+--echo # MDEV-30746 Regression in ucs2_general_mysql500_ci
+--echo #
+
+SET NAMES utf8mb3;
+
+copy_file std_data/ctype_upgrade/mariadb100428_ucs2_general_ci.frm $MYSQLD_DATADIR/test/t1.frm;
+copy_file std_data/ctype_upgrade/mariadb100428_ucs2_general_ci.MYD $MYSQLD_DATADIR/test/t1.MYD;
+copy_file std_data/ctype_upgrade/mariadb100428_ucs2_general_ci.MYI $MYSQLD_DATADIR/test/t1.MYI;
+
+--error ER_TABLE_NEEDS_REBUILD
+SHOW CREATE TABLE t1;
+--error ER_TABLE_NEEDS_REBUILD
+SELECT * FROM t1;
+--error ER_TABLE_NEEDS_REBUILD
+SELECT * FROM t1 IGNORE KEY(a);
+CHECK TABLE t1;
+REPAIR TABLE t1;
+SELECT a, HEX(a), HEX(WEIGHT_STRING(a)) FROM t1 ORDER BY a;
+SELECT a, HEX(a), HEX(WEIGHT_STRING(a)) FROM t1 FORCE KEY(a) ORDER BY a;
+SELECT a, HEX(a), HEX(WEIGHT_STRING(a)) FROM t1 IGNORE KEY(a) ORDER BY a;
+SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a ORDER BY a;
+SELECT GROUP_CONCAT(a) FROM t1 IGNORE KEY(a) GROUP BY a ORDER BY a;
+SELECT GROUP_CONCAT(a) FROM t1 FORCE KEY(a) GROUP BY a ORDER BY a;
+DROP TABLE t1;
+
+--echo #
+--echo # End of 10.4 tests
+--echo #