Added SQL_SELECT::cleanup() to make it easier to reuse SQL_SELECT item's for sub selects. Needed for proper fix for bug #2479.

Added 'select_to_file' class to be able to merge identical code for select_export and select_dump


client/mysql.cc:
  Print mysql_insert_id() in 'status'
mysys/charset.c:
  after merge fixup
sql/item_func.cc:
  Code cleanup + new comments
sql/opt_range.cc:
  Added SQL_SELECT::cleanup() to make it easier to reuse SQL_SELECT item's for sub selects.
sql/opt_range.h:
  Added SQL_SELECT::cleanup() to make it easier to reuse SQL_SELECT item's for sub selects.
sql/sql_class.cc:
  Added 'select_to_file' class to be able to merge identical code for select_export and select_dump
sql/sql_class.h:
  Added 'select_to_file' class to be able to merge identical code for select_export and select_dump
sql/sql_select.cc:
  Fixed bug when calling 'delete select' in sub selects. (Bug 2479)
  (Test case is already commited to global source repository)

1 files changed, 1 insertions, 0 deletions

diff --git a/sql/opt_range.h b/sql/opt_range.h
index 1c209dc7027..bb0d27b722c 100644
--- a/sql/opt_range.h
+++ b/sql/opt_range.h
@@ -127,6 +127,7 @@ class SQL_SELECT :public Sql_alloc {
 
   SQL_SELECT();
   ~SQL_SELECT();
+  void cleanup();
   bool check_quick(THD *thd, bool force_quick_range, ha_rows limit)
   { return test_quick_select(thd, key_map(~0), 0, limit, force_quick_range) < 0; }
   inline bool skipp_record() { return cond ? cond->val_int() == 0 : 0; }