There is no NULL constraint in CREATE TABLE - only NOT NULL one.

diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 4a046b7..02ad520 100644 (file)
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.38 1997/08/21 01:34:44 vadim Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.39 1997/08/22 03:17:55 vadim Exp $
  *
  * HISTORY
  *    AUTHOR           DATE            MAJOR EVENT
@@ -84,7 +84,7 @@ static Node *makeA_Expr(int oper, char *opname, Node *lexpr, Node *rexpr);
     Attr               *attr;
 
     ColumnDef          *coldef;
-    ConstaintDef       *constrdef;
+    ConstraintDef      *constrdef;
     TypeName           *typnam;
     DefElem            *defelt;
     ParamString                *param;
@@ -352,7 +352,8 @@ columnDef:  Id Typename OptDefault opt_null
                }
        ;
 
-OptDefault:  DEFAULT default_expr      { 
+OptDefault:  DEFAULT default_expr
+                               { 
                                    int deflen = CurScanPosition() - DefaultStartPosition;
                                    char *defval;
                                    
@@ -453,8 +454,7 @@ default_expr_list: default_expr_or_null
                { $$ = lappend($1, $3); }
        ;
 
-opt_null:      PNULL           { $$ = false; }
-       | NOT PNULL             { $$ = true; }
+opt_null: NOT PNULL            { $$ = true; }
        | NOTNULL               { $$ = true; }
        | /* EMPTY */           { $$ = false; }
        ;
@@ -610,7 +610,7 @@ ConstraintElem:
        ;
 
 ConstraintDef:  CHECK a_expr   { 
-                                   ConstaintDef *constr = palloc (sizeof(ConstaintDef));
+                                   ConstraintDef *constr = palloc (sizeof(ConstraintDef));
                                    int chklen = CurScanPosition() - CheckStartPosition;
                                    char *check;
                                    
@@ -621,7 +621,7 @@ ConstraintDef:  CHECK a_expr        {
                                    check[chklen] = 0;
                                    constr->type = CONSTR_CHECK;
                                    constr->name = NULL;
-                                   constr->expr = check;
+                                   constr->def = (void*) check;
                                    $$ = constr;
                                }
        ;