[PR] [WIP] support reading certain set of properties [incubator-graphar]

yangxk1 opened a new pull request, #697: URL: https://github.com/apache/incubator-graphar/pull/697 ### Reason for this PR This PR addresses the feature request in #397 to support reading certain set of properties. ### What changes are included in this PR? I have modifie

Re: [PR] [WIP] support reading certain set of properties [incubator-graphar]

yangxk1 commented on PR #697: URL: https://github.com/apache/incubator-graphar/pull/697#issuecomment-2918111266 Note that `scanner` is an Arrow-level (in-memory) operation, while `reader` is a Parquet-level (file-level) operation. -- This is an automated message from the Apache Git Servi

Re: [PR] [WIP] support reading certain set of properties [incubator-graphar]

yangxk1 commented on PR #697: URL: https://github.com/apache/incubator-graphar/pull/697#issuecomment-2918109996 In addition, I’ve written a demo showing how to use the `reader` to read specific properties. The implementation can be found at: https://github.com/yangxk1/incubator-graphar/tre