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‎yaml-tests/src/test/resources/subquery-tests.yamsql‎

Lines changed: 47 additions & 47 deletions
Original file line numberDiff line numberDiff line change
@@ -30,58 +30,58 @@ schema_template:
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---
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setup:
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steps:
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# - query: INSERT INTO A VALUES (1, 1), (2, 2), (3, 3)
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# - query: INSERT INTO X VALUES (4, 10), (5, 20), (6, 30)
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- query: INSERT INTO A VALUES (1, 1), (2, 2), (3, 3)
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- query: INSERT INTO X VALUES (4, 10), (5, 20), (6, 30)
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- query: INSERT INTO R VALUES (1, 10, [(11), (12), (13)]), (2, 20, [(21), (22), (23)]), (3, 30, [(31), (32), (33)])
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# - query: INSERT INTO B VALUES (1, 10, 100), (2, 20, 200), (3, 30, 300)
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- query: INSERT INTO B VALUES (1, 10, 100), (2, 20, 200), (3, 30, 300)
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---
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test_block:
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name: subquery-tests
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tests:
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# -
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# # non correlated subquery, resolving alias should be fine.
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# - query: select ida from a where exists (select ida from a where ida = 1);
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# - explain: "SCAN(<,>) | TFILTER A | FILTER _.IDA EQUALS promote(@c15 AS INT) | MAP (_.IDA AS IDA) | DEFAULT NULL | FLATMAP q0 -> { SCAN(<,>) | TFILTER A | FILTER q0 NOT_NULL AS q1 RETURN (q1.IDA AS IDA) }"
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# - result: [{1}, {2}, {3}]
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# -
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# # this should work albeit being seemingly ambiguous
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# # upper query block resolution should kick in _iff_ we fail to resolve
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# # the identifier in current query block.
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# - query: select idx from x where exists (select x from a where ida = 1);
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# - explain: "SCAN(<,>) | TFILTER A | FILTER _.IDA EQUALS promote(@c15 AS INT) | MAP (_.X AS X) | DEFAULT NULL | FLATMAP q0 -> { SCAN(<,>) | TFILTER X | FILTER q0 NOT_NULL AS q1 RETURN (q1.IDX AS IDX) }"
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# - result: [{4}, {5}, {6}]
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# -
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# # PartiQL resolution.
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# - query: select idr from r, r.nr as NEST where NEST.f = 23;
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# - result: [{2}]
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# -
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# # PartiQL resolution, another flavour (TODO check whether this still use the IR index).
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# - query: select idr from r, (select * from r.nr) as NEST where NEST.f = 23;
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# - result: [{2}]
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# -
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# # correlation are allowed in from-subquery.
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# - query: select x, sq.idr, sq.nr from a, (select * from r where r.idr = a.x) sq;
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# - result: [{x: 1, 1, [{11}, {12}, {13}]}, {x: 2, 2, [{21}, {22}, {23}]}, {x: 3, 3, [{31}, {32}, {33}]}]
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# -
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# # correlations are allowed inside a nested subquery with group by
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# - query: select x from a where exists (select a.x, max(idb) from b where q > a.x group by q)
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# - explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(_._0.IDB) AS _0) GROUP BY (_._0.Q AS _0) | MAP (q0.X AS X, _._1._0 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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# - result: [{1}, {2}, {3}]
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# -
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# # correlations are allowed inside a nested subquery with group by, not necessarily qualified
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# - query: select x from a where exists (select x, max(idb) from b where q > x group by q)
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# - explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(_._0.IDB) AS _0) GROUP BY (_._0.Q AS _0) | MAP (q0.X AS X, _._1._0 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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# - result: [{1}, {2}, {3}]
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# -
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# # correlations inside aggregations are allowed inside a nested subquery with group by
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# - query: select x from a where exists (select max(x), max(idb) from b where q > x group by q)
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# - explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(q0.X) AS _0, max_i(_._0.IDB) AS _1) GROUP BY (_._0.Q AS _0) | MAP (_._1._0 AS _0, _._1._1 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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# - result: [{1}, {2}, {3}]
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# -
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# # correlations inside aggregations are allowed inside a nested subquery with group by
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# - query: select x from a where exists (select max(a.x), max(idb) from b where q > x group by q)
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# - explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(q0.X) AS _0, max_i(_._0.IDB) AS _1) GROUP BY (_._0.Q AS _0) | MAP (_._1._0 AS _0, _._1._1 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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# - result: [{1}, {2}, {3}]
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-
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# non correlated subquery, resolving alias should be fine.
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- query: select ida from a where exists (select ida from a where ida = 1);
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- explain: "SCAN(<,>) | TFILTER A | FILTER _.IDA EQUALS promote(@c15 AS INT) | MAP (_.IDA AS IDA) | DEFAULT NULL | FLATMAP q0 -> { SCAN(<,>) | TFILTER A | FILTER q0 NOT_NULL AS q1 RETURN (q1.IDA AS IDA) }"
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- result: [{1}, {2}, {3}]
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-
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# this should work albeit being seemingly ambiguous
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# upper query block resolution should kick in _iff_ we fail to resolve
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# the identifier in current query block.
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- query: select idx from x where exists (select x from a where ida = 1);
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- explain: "SCAN(<,>) | TFILTER A | FILTER _.IDA EQUALS promote(@c15 AS INT) | MAP (_.X AS X) | DEFAULT NULL | FLATMAP q0 -> { SCAN(<,>) | TFILTER X | FILTER q0 NOT_NULL AS q1 RETURN (q1.IDX AS IDX) }"
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- result: [{4}, {5}, {6}]
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-
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# PartiQL resolution.
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- query: select idr from r, r.nr as NEST where NEST.f = 23;
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- result: [{2}]
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-
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# PartiQL resolution, another flavour (TODO check whether this still use the IR index).
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- query: select idr from r, (select * from r.nr) as NEST where NEST.f = 23;
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- result: [{2}]
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-
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# correlation are allowed in from-subquery.
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- query: select x, sq.idr, sq.nr from a, (select * from r where r.idr = a.x) sq;
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- result: [{x: 1, 1, [{11}, {12}, {13}]}, {x: 2, 2, [{21}, {22}, {23}]}, {x: 3, 3, [{31}, {32}, {33}]}]
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-
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# correlations are allowed inside a nested subquery with group by
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- query: select x from a where exists (select a.x, max(idb) from b where q > a.x group by q)
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- explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(_._0.IDB) AS _0) GROUP BY (_._0.Q AS _0) | MAP (q0.X AS X, _._1._0 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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- result: [{1}, {2}, {3}]
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-
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# correlations are allowed inside a nested subquery with group by, not necessarily qualified
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- query: select x from a where exists (select x, max(idb) from b where q > x group by q)
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- explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(_._0.IDB) AS _0) GROUP BY (_._0.Q AS _0) | MAP (q0.X AS X, _._1._0 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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- result: [{1}, {2}, {3}]
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-
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# correlations inside aggregations are allowed inside a nested subquery with group by
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- query: select x from a where exists (select max(x), max(idb) from b where q > x group by q)
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- explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(q0.X) AS _0, max_i(_._0.IDB) AS _1) GROUP BY (_._0.Q AS _0) | MAP (_._1._0 AS _0, _._1._1 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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- result: [{1}, {2}, {3}]
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-
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# correlations inside aggregations are allowed inside a nested subquery with group by
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- query: select x from a where exists (select max(a.x), max(idb) from b where q > x group by q)
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- explain: "SCAN(<,>) | TFILTER A | FLATMAP q0 -> { ISCAN(IB [[GREATER_THAN q0.X]]) | MAP (_ AS _0) | AGG (max_i(q0.X) AS _0, max_i(_._0.IDB) AS _1) GROUP BY (_._0.Q AS _0) | MAP (_._1._0 AS _0, _._1._1 AS _1) | DEFAULT NULL | FILTER _ NOT_NULL AS q0 RETURN (q0.X AS X) }"
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- result: [{1}, {2}, {3}]
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-
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# plans with pushed-down predicates should be preferred
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- query: select sq.idr, sq.z from (select * from r where idr = 1) sq, (select f from sq.nr where f > 10) sq2 where sq.z = 10 AND sq2.f is not null

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