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BUG#8807 Select crash server

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- Add function Item_param::fix_fields which will update any subselect they are part of and indicate that the subsleect is not const during prepare phase, and thus should not be executed during prepare.


mysql-test/include/ps_query.inc:
  Adde new test case
mysql-test/r/ps_2myisam.result:
  Update test result
mysql-test/r/ps_3innodb.result:
  Update test result
mysql-test/r/ps_4heap.result:
  Update test result
mysql-test/r/ps_5merge.result:
  Update test result
mysql-test/r/ps_6bdb.result:
  Update test result
mysql-test/r/ps_7ndb.result:
  Update test result
sql/item.cc:
  Add function Item_param::fix_fields, which will mark any subselects they are part of as not being a constant expression unless the param value is specified, ie. it will be not be constant during prepare phase.
sql/item.h:
  Adde Item_param::fix_fields
sql/item_subselect.h:
  Make Item_param::fix_field friend of Item_subselect
This commit is contained in:
unknown 2005-03-30 12:14:37 +02:00
commit af2ab040cc
10 changed files with 63 additions and 0 deletions
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sql/item_subselect.h
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@ -119,6 +119,7 @@ public:
friend class Item_in_optimizer;
friend bool Item_field::fix_fields(THD *, TABLE_LIST *, Item **);
friend bool Item_ref::fix_fields(THD *, TABLE_LIST *, Item **);
friend bool Item_param::fix_fields(THD *, TABLE_LIST *, Item **);
};
/* single value subselect */