SQL: disable truncate history on partitioned [fixes #399]

mysql-test/suite/versioning/r/truncate.result

@@ -34,4 +34,13 @@ select * from t for system_time all;
 a
 11
 22
+### Issue #399, truncate partitioned table is now unimplemented
+create or replace table t (a int)
+with system versioning
+engine myisam
+partition by system_time (
+partition p0 versioning,
+partition pn as of current_timestamp);
+truncate table t to system_time current_timestamp;
+ERROR 42000: The used command is not allowed with this MariaDB version
 drop table t;

mysql-test/suite/versioning/t/truncate.opt

 --versioning-hide=implicit
+--partition

mysql-test/suite/versioning/t/truncate.test

@@ -28,4 +28,16 @@ select * from t for system_time all;
 truncate table t to system_time timestamp now(6);
 select * from t for system_time all;
 
+--echo ### Issue #399, truncate partitioned table is now unimplemented
+
+create or replace table t (a int)
+with system versioning
+engine myisam
+partition by system_time (
+    partition p0 versioning,
+    partition pn as of current_timestamp);
+
+--error ER_NOT_ALLOWED_COMMAND
+truncate table t to system_time current_timestamp;
+
 drop table t;

sql/sql_delete.cc

@@ -315,6 +315,14 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
     TABLE *table= table_list->table;
     DBUG_ASSERT(table);
 
+#ifdef WITH_PARTITION_STORAGE_ENGINE
+    if (table->part_info)
+    {
+      my_error(ER_NOT_ALLOWED_COMMAND, MYF(0));
+      DBUG_RETURN(true);
+    }
+#endif
+
     DBUG_ASSERT(!conds);
     if (select_lex->vers_setup_conds(thd, table_list, &conds))
       DBUG_RETURN(TRUE);