Dandandan commented on code in PR #5328:
URL: https://github.com/apache/arrow-datafusion/pull/5328#discussion_r1111652870
##########
datafusion/common/src/dfschema.rs:
##########
@@ -314,6 +329,32 @@ impl DFSchema {
}
}
+ /// Find if the field exists with the given name
+ pub fn has_column_with_unqualified_name(&self, name: &str) -> bool {
+ let matches = self.fields_with_unqualified_name(name);
+ match matches.len() {
+ 1 => true,
+ _ => false,
+ }
+ }
+
+ /// Find if the field exists with the given qualified name
+ pub fn has_column_with_qualified_name(&self, qualifier: &str, name: &str)
-> bool {
+ let matches = self.fields_with_qualified_name(qualifier, name);
+ match matches.len() {
+ 1 => true,
+ _ => false,
+ }
Review Comment:
```suggestion
matches.len() == 1
```
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