Allow TIMESTAMP as a column name or general identifier.

timestamp had become a token a while ago, but had been omitted from the
 keywords.c until recently. This uncovered the omission in the ColId decl.

src/backend/parser/gram.c

@@ -229,7 +229,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/Attic/gram.c,v 2.45 1998/10/13 17:26:41 scrappy Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/Attic/gram.c,v 2.46 1998/10/14 15:57:25 thomas Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT

src/backend/parser/gram.y

@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.36 1998/10/09 07:06:17 thomas Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.37 1998/10/14 15:56:43 thomas Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -4698,6 +4698,7 @@ ColId:  IDENT							{ $$ = $1; }
 		| STDIN							{ $$ = "stdin"; }
 		| STDOUT						{ $$ = "stdout"; }
 		| TIME							{ $$ = "time"; }
+		| TIMESTAMP						{ $$ = "timestamp"; }
 		| TIMEZONE_HOUR					{ $$ = "timezone_hour"; }
 		| TIMEZONE_MINUTE				{ $$ = "timezone_minute"; }
 		| TRIGGER						{ $$ = "trigger"; }