When multiple streams are defined and a union operation is invoked on the streams for a Join query in siddhi throws an exception saying "Join is not supported now!". The following code snippet represents the use case. Its confusing as to whether the Join operation was no more supported or is yet to be supported. However, this code change would allow the Join operation.
When multiple streams are defined and a union operation is invoked on the streams for a Join query in siddhi throws an exception saying "Join is not supported now!". The following code snippet represents the use case. Its confusing as to whether the Join operation was no more supported or is yet to be supported. However, this code change would allow the Join operation.
DataStream output = cep.union("aStream","bStream").cql(controlEvents).returns("outputStream", Signal.class);