Merge mysql.com:/usr/local/bk/mysql-5.0

into  mysql.com:/usr/home/pem/bug14376/mysql-5.0


sql/sp_pcontext.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysql-test/r/sp.result:
  SCCS merged
mysql-test/t/sp.test:
  SCCS merged
sql/sp_pcontext.h:
  SCCS merged

1 files changed, 17 insertions, 0 deletions

diff --git a/sql/sp_pcontext.h b/sql/sp_pcontext.h
index b8dd1742f7e..5c5890f82cd 100644
--- a/sql/sp_pcontext.h
+++ b/sql/sp_pcontext.h
@@ -174,6 +174,16 @@ class sp_pcontext : public Sql_alloc
   sp_pvar_t *
   find_pvar(uint offset);
 
+  /*
+    Set the current scope boundary (for default values)
+    The argument is the number of variables to skip.   
+  */
+  inline void
+  declare_var_boundary(uint n)
+  {
+    m_pboundary= n;
+  }
+
   //
   // Labels
   //
@@ -282,6 +292,13 @@ private:
 
   uint m_poffset;		// Variable offset for this context
   uint m_coffset;		// Cursor offset for this context
+  /*
+    Boundary for finding variables in this context. This is the number
+    of variables currently "invisible" to default clauses.
+    This is normally 0, but will be larger during parsing of
+    DECLARE ... DEFAULT, to get the scope right for DEFAULT values.
+  */
+  uint m_pboundary;
 
   DYNAMIC_ARRAY m_pvar;		// Parameters/variables
   DYNAMIC_ARRAY m_cond;		// Conditions