Jerry Hu fb9363f042 [fix](set) incorrect result of set operator (#35607) ...

If there are duplicated expressions in the select list, the result will
be incorrect.

## Proposed changes

Issue Number: close #28438

<!--Describe your changes.-->

2024-05-30 19:59:37 +08:00

..

test_arithmetic_operators.out

…

test_logical_operators.out

…

test_set_operator.out

[fix](set) incorrect result of set operator (#35607)

2024-05-30 19:59:37 +08:00