yupeng9 commented on issue #5209: Refactor pinot-common and pinot-core URL: https://github.com/apache/incubator-pinot/issues/5209#issuecomment-612113176 +1 I'm interested in adding a pluggable geospatial module, and I think it demands several pluggability points. - Query operator and expression function evaluation, this may require `TransformFunction` `Operator` `Datasource` `Block` and their dependencies (e.g. `DataSourceMetadata`, `DataFileReader` ,`BlockDocIdSet`and many others) - Introduce a new type of index, this may require an `IndexBuilder` interface that `SegmentIndexCreationDriverImpl` can call to build the index. In addition, some configuration interface to specifying the index-specific configurations - Some sub interface in `IndexSegment` for loading the index structures (similar to how `getStarTrees` is added to `IndexSegment`) - Some pluggable rules in logical plan and physical plan building for the pluggable operators.
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