fix create_limit_operator

SQLPGrammar_new.y

@@ -43,7 +43,7 @@ Query
 		printf("Query 3\n");
 		$$ = $1;
 	}
-	| SelectQuery LIMIT INTEGER
+	| SelectQuery LIMIT Integer
 	{
 		printf("Query 4\n");
 		$$ = create_limit_operator($1, $3);
@@ -292,6 +292,12 @@ Term
 	}
 
 
+Integer
+	: INTEGER
+	{
+		printf("INTEGER is |%s|", yytext);
+		$$ = create_constant(yytext);
+	}
 
 
 Constant

util_new.c

@@ -179,7 +179,7 @@ cons_cell* create_exist_operator(cons_cell* ra1) {
 	return create_cons_cell_w_atom(operator, ra1_cons);
 }
 
-
+// todo: ra2 number doesn't apprear in the parse tree
 cons_cell* create_limit_operator(cons_cell* ra1, cons_cell* ra2) {
 	cons_cell* ra2_cons = create_cons_cell(ra2, NULL);
 	cons_cell* ra1_cons = create_cons_cell(ra1, ra2_cons);