tustvold commented on code in PR #7405:
URL: https://github.com/apache/arrow-rs/pull/7405#discussion_r2039630956
##########
arrow-array/src/record_batch.rs:
##########
@@ -359,11 +359,12 @@ impl RecordBatch {
})
}
- /// Overrides the schema of this [`RecordBatch`]
- /// without additional schema checks. Note, however, that this pushes all
the schema compatibility responsibilities
- /// to the caller site. In particular, the caller guarantees that `schema`
is a superset
- /// of the current schema as determined by [`Schema::contains`].
- pub fn with_schema_unchecked(self, schema: SchemaRef) -> Result<Self,
ArrowError> {
+ /// Overrides the schema of this [`RecordBatch`] without additional schema
checks.
+ ///
+ /// # Safety
+ ///
+ /// `schema` must be a superset of the current schema as determined by
[`Schema::contains`]
+ pub unsafe fn with_schema_unchecked(self, schema: SchemaRef) ->
Result<Self, ArrowError> {
Review Comment:
I read this as a performance optimisation, and therefore different from
wanting to remove the constraints full stop as #6855, which was rejected for
being unsound
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