vidyasankarv commented on code in PR #383:
URL: https://github.com/apache/datafusion-comet/pull/383#discussion_r1600977960
##########
core/src/execution/datafusion/expressions/cast.rs:
##########
@@ -635,6 +642,38 @@ impl Cast {
Ok(cast_array)
}
+ fn cast_string_to_date(
+ array: &ArrayRef,
+ to_type: &DataType,
+ eval_mode: EvalMode,
+ ) -> CometResult<ArrayRef> {
+ let string_array = array
+ .as_any()
+ .downcast_ref::<GenericStringArray<i32>>()
+ .expect("Expected a string array");
+
+ let cast_array: ArrayRef = match to_type {
+ DataType::Date32 => {
+ let len = string_array.len();
+ let mut cast_array =
PrimitiveArray::<Date32Type>::builder(len);
+ for i in 0..len {
+ if string_array.is_null(i) {
+ cast_array.append_null()
+ } else if let Ok(Some(cast_value)) =
+ date_parser(string_array.value(i), eval_mode)
Review Comment:
oh sorry my mistake missed checking here.
handling all cases of return value of date_parser using matching clause now.
thank you @andygrove
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