wiedld commented on code in PR #13866:
URL: https://github.com/apache/datafusion/pull/13866#discussion_r1894526006
##########
datafusion/common/src/file_options/parquet_writer.rs:
##########
@@ -140,6 +162,32 @@ impl TryFrom<&TableParquetOptions> for
WriterPropertiesBuilder {
}
}
+/// Encodes the Arrow schema into the IPC format, and base64 encodes it
+///
+/// TODO: make arrow schema encoding available in a public API.
+/// Refer to currently private `add_encoded_arrow_schema_to_metadata` and
`encode_arrow_schema` public.
+///
<https://github.com/apache/arrow-rs/blob/2908a80d9ca3e3fb0414e35b67856f1fb761304c/parquet/src/arrow/schema/mod.rs#L172-L221>
+fn encode_arrow_schema(schema: &Arc<Schema>) -> String {
Review Comment:
If we are in agreement on need, I'll go make the arrow-rs PR.
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