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|
PRAGMA FilterPushdownOverJoinOptionalSide;
$data = AsList(
AsStruct(Just("aaa") AS key),
AsStruct(Just("bbb") AS key),
AsStruct(NULL AS key)
);
$t1 = (
SELECT
data.key AS t1_key,
1 AS t1_value
FROM
AS_TABLE($data) AS data
);
$t2 = (
SELECT
data.key AS t2_key
FROM
AS_TABLE($data) AS data
);
$t3 = (
SELECT
data.key AS t3_key
FROM
AS_TABLE($data) AS data
);
SELECT
t1_value
FROM
$t1 AS t1
LEFT JOIN
$t2 AS t2
ON
(t2.t2_key == t1.t1_key)
LEFT JOIN
$t3 AS t3
ON
(t3.t3_key == t1.t1_key)
WHERE
t1.t1_key == "aaa" AND t2.t2_key == "aaa" AND t3.t3_key == "aaa";
|
