BasicAggregationSpec
Generic aggregation functions
Apart from map-reduce and aggregation pipeline Mongo Streams supports basic mongodb aggregation functions. Supported
aggregation functions are:
- count of document matching supplied query
query("key2" >= 3) count- count of document with supplied query and read preference:
query("key2" >= 3) from ReadPreference.Nearest count - count of all documents
query() count- getting distinct values for supplied key
query() distinct ("key")): ChannelResult[DBCollection, String]| Total for specification BasicAggregationSpec | |
|---|---|
| Finished in | 1 second, 765 ms |
| Results | 3 examples, 0 failure, 0 error |