BUG#8807 Select crash server

 - 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

1 files changed, 5 insertions, 0 deletions

diff --git a/mysql-test/include/ps_query.inc b/mysql-test/include/ps_query.inc
index e6f19c67138..9a413bff2f3 100644
--- a/mysql-test/include/ps_query.inc
+++ b/mysql-test/include/ps_query.inc
@@ -421,6 +421,11 @@ prepare stmt1 from ' select a, ?, b FROM t1 outer_table where
    b=? and a = (select ? from t1 where b = ? ) ' ;
 execute stmt1 using @arg00, @arg01, @arg02, @arg03 ;
 
+# Bug#8807
+prepare stmt1 from 'select c4 FROM t9 where
+    c13 = (select MAX(b) from t1 where a = ?) and c22 = ? ' ;
+execute stmt1 using @arg01, @arg02;
+
 ######## correlated subquery
 # no parameter
 prepare stmt1 from ' select a, b FROM t1 outer_table where