alan910127 commented on code in PR #15110:
URL: https://github.com/apache/datafusion/pull/15110#discussion_r1987355491
##########
datafusion/optimizer/src/simplify_expressions/unwrap_cast.rs:
##########
@@ -177,6 +192,33 @@ pub(super) fn
is_cast_expr_and_support_unwrap_cast_in_comparison_for_inlist<
true
}
+fn cast_literal_to_type_with_op(
+ lit_value: &ScalarValue,
+ target_type: &DataType,
+ op: Operator,
+) -> Option<ScalarValue> {
+ dbg!(lit_value, target_type, op);
+ match (op, lit_value) {
+ (
+ Operator::Eq | Operator::NotEq,
+ ScalarValue::Utf8(Some(ref str))
+ | ScalarValue::Utf8View(Some(ref str))
+ | ScalarValue::LargeUtf8(Some(ref str)),
+ ) => match target_type {
+ DataType::Int8 => str.parse::<i8>().ok().map(ScalarValue::from),
Review Comment:
Also 2 sqllogictest test cases are added (optimized/number not in range)
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