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/* postgres can not */
USE plato;
SELECT
*
FROM (SELECT Just(1) AS x)
FLATTEN OPTIONAL BY x;
$lst = AsList(1,2,3);
SELECT
*
FROM (SELECT $lst AS x)
FLATTEN LIST BY x ORDER BY x;
SELECT
x
FROM (SELECT Just($lst) AS x)
FLATTEN LIST BY x ORDER BY x;
SELECT
*
FROM (SELECT Just($lst) AS x)
FLATTEN OPTIONAL BY x ORDER BY x;
$dct = AsDict(AsTuple(1,"foo"),AsTuple(2,"bar"),AsTuple(3,"baz"));
SELECT
*
FROM (SELECT $dct AS x)
FLATTEN DICT BY x ORDER BY x;
SELECT
x
FROM (SELECT Just($dct) AS x)
FLATTEN DICT BY x ORDER BY x;
SELECT
ListSort(DictItems(x))
FROM (SELECT Just($dct) AS x)
FLATTEN OPTIONAL BY x;
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