jayzhan211 commented on code in PR #13372:
URL: https://github.com/apache/datafusion/pull/13372#discussion_r1877994561
##########
datafusion/expr-common/src/signature.rs:
##########
@@ -290,7 +311,24 @@ impl TypeSignature {
.collect(),
TypeSignature::Coercible(types) => types
.iter()
- .map(|logical_type| get_data_types(logical_type.native()))
+ .map(|logical_type| match logical_type {
+ TypeSignatureClass::Native(l) =>
get_data_types(l.native()),
+ TypeSignatureClass::Timestamp => {
+ vec![DataType::Timestamp(TimeUnit::Nanosecond, None)]
Review Comment:
This is actually used for displaying the signature information for error
message.
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