#36 use copy of alter_info for inplace alter since mysql_prepare_crea…

…te_table is not idempotent
Tokutek · Feb 25, 2014 · 278a06c · 278a06c
1 parent 7b05a0d
commit 278a06c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
@@ -6526,13 +6526,15 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
     uint tables_opened = 0;
     Alter_table_ctx alter_ctx(thd, table_list, tables_opened, new_db, new_name);
     copied= deleted= 0; // needed for my_ok
+
+    Alter_info tmp_alter_info(*alter_info, thd->mem_root);
 
     enum inplace_alter_table_result r;
     r= mysql_inplace_alter_table(thd,
                                  table_list,
                                  table,
                                  create_info,
-                                 alter_info,
+                                 &tmp_alter_info,
                                  order_num, order, ignore, &alter_ctx);
     switch (r) {
     case INPLACE_ALTER_SUCCESS: