Fixed BUG#13133: Local variables in stored procedures are not initialized correctly.

  Have to init. all local variables in their frames, not just once at the beginning
  of invocation.


mysql-test/r/sp.result:
  New test case for BUG#13133.
mysql-test/t/sp.test:
  New test case for BUG#13133.
sql/sp_head.cc:
  Just init. local variable slots in the fram to NULL. (Real init. will be done
  in each block.)
sql/sp_pcontext.cc:
  Removed isset flag, since it's not used.
sql/sp_pcontext.h:
  Removed isset flag, since it's not used.
sql/sql_yacc.yy:
  Initialize local variables in the block to null, or the default value, given.
  (Untabifed block too.)

1 files changed, 0 insertions, 10 deletions

diff --git a/sql/sp_pcontext.h b/sql/sp_pcontext.h
index 196f9ccb24b..bd2259cb6fb 100644
--- a/sql/sp_pcontext.h
+++ b/sql/sp_pcontext.h
@@ -35,7 +35,6 @@ typedef struct sp_pvar
   enum enum_field_types type;
   sp_param_mode_t mode;
   uint offset;			// Offset in current frame
-  my_bool isset;
   Item *dflt;
 } sp_pvar_t;
 
@@ -148,15 +147,6 @@ class sp_pcontext : public Sql_alloc
   }
 
   inline void
-  set_isset(uint i, my_bool val)
-  {
-    sp_pvar_t *p= find_pvar(i);
-
-    if (p)
-      p->isset= val;
-  }
-
-  inline void
   set_default(uint i, Item *it)
   {
     sp_pvar_t *p= find_pvar(i);