hsyuan commented on a change in pull request #1566: [CALCITE-3482] Equality of
nested ROWs returns false for identical literal value
URL: https://github.com/apache/calcite/pull/1566#discussion_r343810029
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File path: core/src/test/resources/sql/struct.iq
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@@ -47,4 +47,40 @@ select distinct * from (values
!ok
+# [CALCITE-3482] Equality of nested ROWs returns false for identical literal
value
+select * from
+(values
+ (1, ROW(1,1)),
+ (2, ROW(2,2)),
+ (3, ROW(1,1)),
+ (4, ROW(2,2))) as t(id,struct)
+where t.struct = ROW(2,2);
++----+--------+
+| ID | STRUCT |
++----+--------+
+| 2 | {2, 2} |
+| 4 | {2, 2} |
++----+--------+
+(2 rows)
+
+!ok
+
+# [CALCITE-3482] Equality of nested ROWs returns false for identical literal
value
+select * from
+(values
+ (1, ROW(2, ROW(4,2))),
+ (2, ROW(2, ROW(4,4))),
+ (3, ROW(2, ROW(1,4))),
+ (4, ROW(2, ROW(4,4)))) as t(id,struct)
+where t.struct = ROW(2, ROW(4,4));
Review comment:
Can we give them different values, e.g. (3,4) and (4,3)? In order to verify
that the ordering does matter.
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