test for Bug #16051817 GOT ERROR 124 FROM STORAGE ENGINE ON DELETE FROM A PARTITIONED TABLE

followup for c5896384

mysql-test/suite/parts/r/alter_table.result

@@ -38,4 +38,25 @@ ALTER TABLE v1 EXCHANGE PARTITION p2 WITH TABLE t2 ;
 ERROR 42000: Can't open table
 DROP VIEW v1;
 DROP TABLE t1, t2;
+#
+# MDEV-25102 UNIQUE USING HASH error after ALTER ... DISABLE KEYS
+#
+create table t1 (i1 int primary key, i2 int, d1 date, key(i2))
+partition by hash(i1) partitions 3;
+insert into t1 values(0, 1, '2010-10-10');
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+index_name	comment
+PRIMARY	
+i2	
+alter table t1 disable keys;
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+index_name	comment
+PRIMARY	
+i2	disabled
+alter table t1 add partition (partition p4);
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+index_name	comment
+PRIMARY	
+i2	disabled
+drop table t1;
 # End of 10.5 tests

mysql-test/suite/parts/t/alter_table.test

@@ -39,4 +39,17 @@ ALTER TABLE v1 EXCHANGE PARTITION p2 WITH TABLE t2 ;
 DROP VIEW v1;
 DROP TABLE t1, t2;
 
+--echo #
+--echo # MDEV-25102 UNIQUE USING HASH error after ALTER ... DISABLE KEYS
+--echo #
+create table t1 (i1 int primary key, i2 int, d1 date, key(i2))
+partition by hash(i1) partitions 3;
+insert into t1 values(0, 1, '2010-10-10');
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+alter table t1 disable keys;
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+alter table t1 add partition (partition p4);
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+drop table t1;
+
 --echo # End of 10.5 tests