opensourcemirror
/
postgresql
mirror of git://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Releases Wiki Activity

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

This commit is contained in:
Vadim B. Mikheev 1997-08-22 03:17:55 +00:00
parent ed2c54b240
commit 9b6d8878fd
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/backend/parser/gram.y
View File

@ -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;
}
;