alamb commented on code in PR #15239:
URL: https://github.com/apache/datafusion/pull/15239#discussion_r1999161222
##########
datafusion/common/src/dfschema.rs:
##########
@@ -563,29 +563,6 @@ impl DFSchema {
.all(|(dffield, arrowfield)| dffield.name() == arrowfield.name())
}
- /// Check to see if fields in 2 Arrow schemas are compatible
- pub fn check_arrow_schema_type_compatible(
Review Comment:
Since this is a public function, can you please put it back and mark it
deprecated instead to follow the deprecation guidelines:
https://datafusion.apache.org/contributor-guide/api-health.html#deprecation-guidelines
##########
datafusion/common/src/dfschema.rs:
##########
@@ -605,25 +582,49 @@ impl DFSchema {
}
/// Returns true if the two schemas have the same qualified named
- /// fields with the same data types. Returns false otherwise.
+ /// fields with the compatible data types. Returns false otherwise.
///
/// This is a specialized version of Eq that ignores differences
/// in nullability and metadata.
///
/// Use [DFSchema]::logically_equivalent_names_and_types for a weaker
/// logical type checking, which for example would consider a dictionary
/// encoded UTF8 array to be equivalent to a plain UTF8 array.
- pub fn equivalent_names_and_types(&self, other: &Self) -> bool {
+ pub fn equivalent_names_and_types(&self, other: &Self) -> Result<()> {
Review Comment:
likewise, to ease upgrade, can you please put the old function signature
back and mark it deprecated and put the new signature as a new function?
Perhaps something like
```rust
#[deprecated(since = "47.0.0", note = "Use
has_equivalent_names_and_types` instead")]
pub fn equivalent_names_and_types(&self, other: &Self) -> bool {
self.has_equivalent_names_and_types.is_err()
}
pub fn has_equivalent_names_and_types(&self, other: &Self) -> Result<()>
{
...
}
```
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