WinkerDu commented on a change in pull request #2108:
URL: https://github.com/apache/arrow-datafusion/pull/2108#discussion_r837357519
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File path: datafusion-common/src/dfschema.rs
##########
@@ -281,6 +281,14 @@ impl DFSchema {
.all(|(dffield, arrowfield)| dffield.name() == arrowfield.name())
}
+ /// Check to see if df field data types in df schema matches with input df
schema
+ pub fn matches_arrow_schema_with_type(&self, df_schema: &DFSchema) -> bool
{
+ self.fields
+ .iter()
Review comment:
@Ted-Jiang Agree with that.
Maybe we can solve `Alias` issue first, than open a new issue to fully
discuss data type compatible cast?
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