diff options
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 52faaf25b42..03d97a294ad 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -8985,7 +8985,8 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree) else DBUG_RETURN(NULL); - Item *expr= min_max_item->args[0]; /* The argument of MIN/MAX. */ + /* The argument of MIN/MAX. */ + Item *expr= min_max_item->args[0]->real_item(); if (expr->type() == Item::FIELD_ITEM) /* Is it an attribute? */ { if (! min_max_arg_item) @@ -9356,6 +9357,7 @@ check_group_min_max_predicates(COND *cond, Item_field *min_max_arg_item, DBUG_ENTER("check_group_min_max_predicates"); DBUG_ASSERT(cond && min_max_arg_item); + cond= cond->real_item(); Item::Type cond_type= cond->type(); if (cond_type == Item::COND_ITEM) /* 'AND' or 'OR' */ { @@ -9393,7 +9395,7 @@ check_group_min_max_predicates(COND *cond, Item_field *min_max_arg_item, DBUG_PRINT("info", ("Analyzing: %s", pred->func_name())); for (uint arg_idx= 0; arg_idx < pred->argument_count (); arg_idx++) { - cur_arg= arguments[arg_idx]; + cur_arg= arguments[arg_idx]->real_item(); DBUG_PRINT("info", ("cur_arg: %s", cur_arg->full_name())); if (cur_arg->type() == Item::FIELD_ITEM) { |