diff options
Diffstat (limited to 'sql/core/src/test/resources/sql-tests/inputs/cross-join.sql')
-rw-r--r-- | sql/core/src/test/resources/sql-tests/inputs/cross-join.sql | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sql/core/src/test/resources/sql-tests/inputs/cross-join.sql b/sql/core/src/test/resources/sql-tests/inputs/cross-join.sql new file mode 100644 index 0000000000..aa73124374 --- /dev/null +++ b/sql/core/src/test/resources/sql-tests/inputs/cross-join.sql @@ -0,0 +1,35 @@ +-- Cross join detection and error checking is done in JoinSuite since explain output is +-- used in the error message and the ids are not stable. Only positive cases are checked here. + +create temporary view nt1 as select * from values + ("one", 1), + ("two", 2), + ("three", 3) + as nt1(k, v1); + +create temporary view nt2 as select * from values + ("one", 1), + ("two", 22), + ("one", 5) + as nt2(k, v2); + +-- Cross joins with and without predicates +SELECT * FROM nt1 cross join nt2; +SELECT * FROM nt1 cross join nt2 where nt1.k = nt2.k; +SELECT * FROM nt1 cross join nt2 on (nt1.k = nt2.k); +SELECT * FROM nt1 cross join nt2 where nt1.v1 = 1 and nt2.v2 = 22; + +SELECT a.key, b.key FROM +(SELECT k key FROM nt1 WHERE v1 < 2) a +CROSS JOIN +(SELECT k key FROM nt2 WHERE v2 = 22) b; + +-- Join reordering +create temporary view A(a, va) as select * from nt1; +create temporary view B(b, vb) as select * from nt1; +create temporary view C(c, vc) as select * from nt1; +create temporary view D(d, vd) as select * from nt1; + +-- Allowed since cross join with C is explicit +select * from ((A join B on (a = b)) cross join C) join D on (a = d); + |