jackwener commented on code in PR #6221:
URL: https://github.com/apache/arrow-datafusion/pull/6221#discussion_r1184744117
##########
datafusion/expr/src/type_coercion/binary.rs:
##########
@@ -106,6 +106,55 @@ pub fn binary_operator_data_type(
}
}
+pub fn get_result_type(
+ lhs_type: &DataType,
+ op: &Operator,
+ rhs_type: &DataType,
+) -> Result<DataType> {
+ let result = match op {
+ Operator::And
+ | Operator::Or
+ | Operator::Eq
+ | Operator::NotEq
+ | Operator::Lt
+ | Operator::Gt
+ | Operator::GtEq
+ | Operator::LtEq
+ | Operator::IsDistinctFrom
Review Comment:
Original, when we call `get_data_type`, it will return common type instead
of result type (`Boolean`) in `coerce_type`. So original it's wrong.
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