Dandandan commented on a change in pull request #9084:
URL: https://github.com/apache/arrow/pull/9084#discussion_r551040443
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File path: rust/arrow/src/csv/reader.rs
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@@ -394,88 +393,116 @@ impl<R: Read> Iterator for Reader<R> {
}
}
-/// parses a slice of [csv_crate::StringRecord] into a
[array::record_batch::RecordBatch].
-fn parse(
+/// Tries to create an [array::Array] from a slice of
[csv_crate::StringRecord] by interpreting its
+/// values at column `column_index` to be of `data_type`.
+/// `line_number` is where the set of rows starts at, and is only used to
report the line number in case of errors.
+/// # Error
+/// This function errors iff:
+/// * _any_ entry from `rows` at `column_index` cannot be parsed into the
DataType.
+/// * The [array::datatypes::DataType] is not supported.
+pub fn build_array(
Review comment:
The downside is that this creates a dependency on `StringRecord` in the
public API, making it harder to remove it when we want?
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