meant or the reference to a standard was unnecessary.
;
decl_is_for : K_IS | /* Oracle */
- K_FOR; /* ANSI */
+ K_FOR; /* SQL standard */
decl_aliasitem : any_identifier
{
f
(1 row)
--- ANSI SQL 2003 form
+-- negated form
SELECT 1 IS NOT DISTINCT FROM 2 as "no";
no
----
SELECT 2 IS DISTINCT FROM null as "yes";
SELECT null IS DISTINCT FROM null as "no";
--- ANSI SQL 2003 form
+-- negated form
SELECT 1 IS NOT DISTINCT FROM 2 as "no";
SELECT 2 IS NOT DISTINCT FROM 2 as "yes";
SELECT 2 IS NOT DISTINCT FROM null as "no";