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 4a046b7ea9910331696855679752d32f1516e810..02ad520021490da886a8f1226be375aa95b45afe 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;
                }
    ;