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CREATE FUNCTION mleast(VARIADIC arr numeric[]) RETURNS numeric AS $$
SELECT min($1[i]) FROM generate_subscripts($1, 1) g(i);
$$ LANGUAGE SQL;
SELECT mleast(VARIADIC ARRAY[10, -1, 5, 4.4]);
SELECT mleast(VARIADIC ARRAY[]::numeric[]);
SELECT mleast(VARIADIC arr := ARRAY[10, -1, 5, 4.4]);
CREATE FUNCTION anyleast (VARIADIC anyarray) RETURNS anyelement AS $$
SELECT min($1[i]) FROM generate_subscripts($1, 1) g(i);
$$ LANGUAGE SQL;
CREATE FUNCTION concat_values(text, VARIADIC anyarray) RETURNS text AS $$
SELECT array_to_string($2, $1);
$$ LANGUAGE SQL;
SELECT my_function(other_function(
VARIADIC ARRAY_REMOVE(ARRAY[
a.value1,
b.value2,
c.value3
], NULL)
))
FROM a
FULL OUTER JOIN b USING (id)
FULL OUTER JOIN c USING (id);
SELECT json_extract_path_text(t.col::json, VARIADIC ARRAY['foo'::text])
FROM t;
SELECT my_function(VARIADIC ARRAY[
CASE WHEN x > 0 THEN x ELSE 0 END,
y + z,
'literal'
]);
SELECT my_function(VARIADIC ARRAY(SELECT value FROM table1));
SELECT my_function(VARIADIC param_name = ARRAY[1, 2, 3]);
SELECT my_function(
regular_param = 'value',
VARIADIC variadic_param = ARRAY[1, 2, 3]
);
SELECT my_function(VARIADIC param_name => ARRAY[1, 2, 3]);
SELECT my_function(
regular_param => 'value',
VARIADIC variadic_param => ARRAY[1, 2, 3]
);
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