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authorunknown <igor@rurik.mysql.com>2005-08-02 13:17:49 -0700
committerunknown <igor@rurik.mysql.com>2005-08-02 13:17:49 -0700
commit4b59882561205af89cc8cf5f2d35759a66c64314 (patch)
tree4cda43376b4f45ccc72819c9496a81250647ae51 /sql/item_sum.cc
parent7c7843a2161705c30cb8af84cdc1d94b7b24555b (diff)
parentbcaff83722efd083d4ccba37fe7b35cb4464b0f8 (diff)
downloadmariadb-git-4b59882561205af89cc8cf5f2d35759a66c64314.tar.gz
Manual merge
Diffstat (limited to 'sql/item_sum.cc')
-rw-r--r--sql/item_sum.cc14
1 files changed, 10 insertions, 4 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index e26b6a75b7c..b669a8c426d 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -2632,7 +2632,11 @@ int group_concat_key_cmp_with_distinct(void* arg, byte* key1,
the temporary table, not the original field
*/
Field *field= (*field_item)->get_tmp_table_field();
- if (field)
+ /*
+ If field_item is a const item then either get_tp_table_field returns 0
+ or it is an item over a const table.
+ */
+ if (field && !(*field_item)->const_item())
{
int res;
uint offset= field->offset() - table->s->null_bytes;
@@ -2666,8 +2670,11 @@ int group_concat_key_cmp_with_order(void* arg, byte* key1, byte* key2)
the temporary table, not the original field
*/
Field *field= item->get_tmp_table_field();
- /* If the item is a constant, there is no tmp table field */
- if (field)
+ /*
+ If item is a const item then either get_tp_table_field returns 0
+ or it is an item over a const table.
+ */
+ if (field && !item->const_item())
{
int res;
uint offset= field->offset() - table->s->null_bytes;
@@ -3037,7 +3044,6 @@ bool Item_func_group_concat::setup(THD *thd)
DBUG_RETURN(TRUE);
count_field_types(tmp_table_param,all_fields,0);
- tmp_table_param->need_const= 1;
DBUG_ASSERT(table == 0);
/*
We have to create a temporary table to get descriptions of fields