mapleFU commented on issue #35688: URL: https://github.com/apache/arrow/issues/35688#issuecomment-1556088643
Oopts, seems parquet-go in arrow doesn't provide some examples I guess: https://github.com/apache/arrow/blob/65520b361941e9abad386614999dbc250295959e/go/parquet/file/file_reader.go#L79 can be a good start point. You can pay attention to the `ReaderProperties` Once you open the file, you can get metadata and know the file schema and rowgroups from `metadata` interface. Then, you can open rowgroups via https://github.com/apache/arrow/blob/65520b361941e9abad386614999dbc250295959e/go/parquet/file/file_reader.go#L305 . And open column chunk in row group -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
