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 modified `VertexPropertyArrowChunkReader::Make` so that when a single `property_name` is provided, it no longer loads all properties in the corresponding `propertyGroup`, but only reads the **internal ID** and the specified **property column**. Additionally, a `std::vector<std::string>` of `property_names` can be passed to read a specific set of properties, provided they all belong to the same `propertyGroup`. Essentially, these `property_names` are added to `FilterOptions.columns`, serving as conditions for predicate pushdown. ### Are these changes tested? Yes, I have added: - Examples - Unit tests - Benchmarks The benchmark results show performance improvements, especially on large chunk sizes. - `ReadChunkSelectAllColumnsIn*`: read using a property group (3 properties + internal ID) - `ReadChunkSelectOneColumnIn*`: read only the internal ID and a single property - `ReadChunkSelectTwoColumnIn*`: read only the internal ID and 2 properties - `*FirstGraph`: read person vertex in ldbc_sample (chunk_size: 100) - `*SecondGraph`: read organisation vertex in ldbc (chunk_size: 4096)  ### Are there any user-facing changes? Yes, there are breaking changes: Previously, users could pass a `property_name` directly to access data from its `propertyGroup`. Now, to read `propertyGroup`, users should explicitly provide the corresponding `propertyGroup`. This change improves clarity and ensures consistency when filtering properties. -- 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: commits-unsubscr...@graphar.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@graphar.apache.org For additional commands, e-mail: commits-h...@graphar.apache.org
