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SELECT a FROM (SELECT * FROM x);
SELECT _q_0.a AS a FROM (SELECT x.a AS a FROM x AS x) AS _q_0;
SELECT 1 FROM (SELECT * FROM x) WHERE b = 2;
SELECT 1 AS "1" FROM (SELECT x.b AS b FROM x AS x) AS _q_0 WHERE _q_0.b = 2;
SELECT (SELECT c FROM y WHERE q.b = y.b) FROM (SELECT * FROM x) AS q;
SELECT (SELECT y.c AS c FROM y AS y WHERE q.b = y.b) AS _col_0 FROM (SELECT x.b AS b FROM x AS x) AS q;
SELECT a FROM x JOIN (SELECT b, c FROM y) AS z ON x.b = z.b;
SELECT x.a AS a FROM x AS x JOIN (SELECT y.b AS b FROM y AS y) AS z ON x.b = z.b;
SELECT x1.a FROM (SELECT * FROM x) AS x1, (SELECT * FROM x) AS x2;
SELECT x1.a AS a FROM (SELECT x.a AS a FROM x AS x) AS x1, (SELECT 1 AS _ FROM x AS x) AS x2;
SELECT x1.a FROM (SELECT * FROM x) AS x1, (SELECT * FROM x) AS x2;
SELECT x1.a AS a FROM (SELECT x.a AS a FROM x AS x) AS x1, (SELECT 1 AS _ FROM x AS x) AS x2;
SELECT a FROM (SELECT DISTINCT a, b FROM x);
SELECT _q_0.a AS a FROM (SELECT DISTINCT x.a AS a, x.b AS b FROM x AS x) AS _q_0;
SELECT a FROM (SELECT a, b FROM x UNION ALL SELECT a, b FROM x);
SELECT _q_0.a AS a FROM (SELECT x.a AS a FROM x AS x UNION ALL SELECT x.a AS a FROM x AS x) AS _q_0;
WITH t1 AS (SELECT x.a AS a, x.b AS b FROM x UNION ALL SELECT z.b AS b, z.c AS c FROM z) SELECT a, b FROM t1;
WITH t1 AS (SELECT x.a AS a, x.b AS b FROM x AS x UNION ALL SELECT z.b AS b, z.c AS c FROM z AS z) SELECT t1.a AS a, t1.b AS b FROM t1;
SELECT a FROM (SELECT a, b FROM x UNION SELECT a, b FROM x);
SELECT _q_0.a AS a FROM (SELECT x.a AS a, x.b AS b FROM x AS x UNION SELECT x.a AS a, x.b AS b FROM x AS x) AS _q_0;
WITH y AS (SELECT * FROM x) SELECT a FROM y;
WITH y AS (SELECT x.a AS a FROM x AS x) SELECT y.a AS a FROM y;
WITH z AS (SELECT * FROM x), q AS (SELECT b FROM z) SELECT b FROM q;
WITH z AS (SELECT x.b AS b FROM x AS x), q AS (SELECT z.b AS b FROM z) SELECT q.b AS b FROM q;
WITH z AS (SELECT * FROM x) SELECT a FROM z UNION SELECT a FROM z;
WITH z AS (SELECT x.a AS a FROM x AS x) SELECT z.a AS a FROM z UNION SELECT z.a AS a FROM z;
SELECT b FROM (SELECT a, SUM(b) AS b FROM x GROUP BY a);
SELECT _q_0.b AS b FROM (SELECT SUM(x.b) AS b FROM x AS x GROUP BY x.a) AS _q_0;
SELECT b FROM (SELECT a, SUM(b) AS b FROM x ORDER BY a);
SELECT _q_0.b AS b FROM (SELECT x.a AS a, SUM(x.b) AS b FROM x AS x ORDER BY a) AS _q_0;
SELECT x FROM (VALUES(1, 2)) AS q(x, y);
SELECT q.x AS x FROM (VALUES (1, 2)) AS q(x, y);
SELECT x FROM UNNEST([1, 2]) AS q(x, y);
SELECT q.x AS x FROM UNNEST(ARRAY(1, 2)) AS q(x, y);
WITH t1 AS (SELECT cola, colb FROM UNNEST([STRUCT(1 AS cola, 'test' AS colb)]) AS "q"("cola", "colb")) SELECT cola FROM t1;
WITH t1 AS (SELECT "q".cola AS cola FROM UNNEST(ARRAY(STRUCT(1 AS cola, 'test' AS colb))) AS "q"("cola", "colb")) SELECT t1.cola AS cola FROM t1;
SELECT x FROM VALUES(1, 2) AS q(x, y);
SELECT q.x AS x FROM (VALUES (1, 2)) AS q(x, y);
SELECT i.a FROM x AS i LEFT JOIN (SELECT a, b FROM (SELECT a, b FROM x)) AS j ON i.a = j.a;
SELECT i.a AS a FROM x AS i LEFT JOIN (SELECT _q_0.a AS a FROM (SELECT x.a AS a FROM x AS x) AS _q_0) AS j ON i.a = j.a;
--------------------------------------
-- Unknown Star Expansion
--------------------------------------
SELECT a FROM (SELECT * FROM zz) WHERE b = 1;
SELECT _q_0.a AS a FROM (SELECT zz.a AS a, zz.b AS b FROM zz AS zz) AS _q_0 WHERE _q_0.b = 1;
SELECT a FROM (SELECT * FROM aa UNION ALL SELECT * FROM bb UNION ALL SELECT * from cc);
SELECT _q_0.a AS a FROM (SELECT aa.a AS a FROM aa AS aa UNION ALL SELECT bb.a AS a FROM bb AS bb UNION ALL SELECT cc.a AS a FROM cc AS cc) AS _q_0;
SELECT a FROM (SELECT a FROM aa UNION ALL SELECT * FROM bb UNION ALL SELECT * from cc);
SELECT _q_0.a AS a FROM (SELECT aa.a AS a FROM aa AS aa UNION ALL SELECT bb.a AS a FROM bb AS bb UNION ALL SELECT cc.a AS a FROM cc AS cc) AS _q_0;
SELECT a FROM (SELECT * FROM aa UNION ALL SELECT * FROM bb UNION ALL SELECT * from cc);
SELECT _q_0.a AS a FROM (SELECT aa.a AS a FROM aa AS aa UNION ALL SELECT bb.a AS a FROM bb AS bb UNION ALL SELECT cc.a AS a FROM cc AS cc) AS _q_0;
SELECT a FROM (SELECT * FROM aa CROSS JOIN bb);
SELECT _q_0.a AS a FROM (SELECT a AS a FROM aa AS aa CROSS JOIN bb AS bb) AS _q_0;
SELECT a FROM (SELECT aa.* FROM aa);
SELECT _q_0.a AS a FROM (SELECT aa.a AS a FROM aa AS aa) AS _q_0;
SELECT a FROM (SELECT * FROM (SELECT * FROM aa));
SELECT _q_1.a AS a FROM (SELECT _q_0.a AS a FROM (SELECT aa.a AS a FROM aa AS aa) AS _q_0) AS _q_1;
with cte1 as (SELECT cola, colb FROM tb UNION ALL SELECT colc, cold FROM tb2) SELECT cola FROM cte1;
WITH cte1 AS (SELECT tb.cola AS cola FROM tb AS tb UNION ALL SELECT tb2.colc AS colc FROM tb2 AS tb2) SELECT cte1.cola AS cola FROM cte1;
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