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Adjust to the changed Query_arena constructor:

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main_mem_root is moved out of class Query_arena.


sql/sp_head.cc:
  Adjust to the changed Query_arena constructor. 
  main_mem_root is moved out of class Query_arena.
sql/sp_head.h:
  main_mem_root is moved out of class Query_arena: add it to class sp_head.
sql/sql_class.cc:
  main_mem_root is moved out of class Query_arena: remove
  constructors no longer relevant, remove dead code.
sql/sql_class.h:
  main_mem_root is moved out of class Query_arena.
sql/sql_prepare.cc:
  It's better to not use main_mem_root anywhere: logically, it's not
  a public member (can't fix sp_head::make_field and Item_subselect::exec
  to make it protected)
sql/sql_select.cc:
  New Cursor constructor, which avoids unneeded memory allocation
  when initializign main_mem_root.
sql/sql_select.h:
  main_mem_root is moved out of class Query_arena.
This commit is contained in:
unknown 2005-06-22 11:59:13 +04:00
commit 40f0738b9c
7 changed files with 42 additions and 81 deletions
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1
sql/sp_head.h
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@ -79,6 +79,7 @@ class sp_head :private Query_arena
sp_head(const sp_head &); /* Prevent use of these */
void operator=(sp_head &);
MEM_ROOT main_mem_root;
public:
int m_type; // TYPE_ENUM_FUNCTION or TYPE_ENUM_PROCEDURE