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Fixed bug #16016: MIN/MAX optimization was not applied to views.

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This commit is contained in:
igor@rurik.mysql.com
2006-01-06 22:28:26 -08:00
parent d8a4aafe33
commit d2cfad167b
3 changed files with 58 additions and 5 deletions
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10
sql/opt_sum.cc
View File

@ -180,14 +180,14 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
indexes to find the key.
*/
Item *expr=item_sum->args[0];
if (expr->type() == Item::FIELD_ITEM)
if (expr->real_item()->type() == Item::FIELD_ITEM)
{
byte key_buff[MAX_KEY_LENGTH];
TABLE_REF ref;
uint range_fl, prefix_len;
ref.key_buff= key_buff;
Item_field *item_field= ((Item_field*) expr);
Item_field *item_field= (Item_field*) (expr->real_item());
TABLE *table= item_field->field->table;
/*
@ -267,14 +267,14 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
indexes to find the key.
*/
Item *expr=item_sum->args[0];
if (expr->type() == Item::FIELD_ITEM)
if (expr->real_item()->type() == Item::FIELD_ITEM)
{
byte key_buff[MAX_KEY_LENGTH];
TABLE_REF ref;
uint range_fl, prefix_len;
uint range_fl, prefix_len;
ref.key_buff= key_buff;
Item_field *item_field= ((Item_field*) expr);
Item_field *item_field= (Item_field*) (expr->real_item());
TABLE *table= item_field->field->table;
/*