Refactor COUNT to use new aggregation framework
Refactor approximate count to use new framework
Add support for decomposable aggregation in new framework
Migrate learn_libsvm_regressor to new framework
Migrate learn_libsvm_classifier to new framework
Migrate learn_classifier to new framework
Migrate learn_regressor to new framework
Remove InternalAggregationFunction interface
Change scalar ML functions to take map
Add more tests to ML plugin
Add ErrorCodeSupplier interface
Check that expressions used in GROUP BY are comparable
Add create timestamp to Raptor shard table
Add external batch support to Raptor connector