https://github.com/confluentinc/kafka-streams-examples
The "Music" example show how Interactive Queries work. And of course you should read the docs. -Matthias On 2/13/19 6:59 AM, Nan Xu wrote: > Range query would be enough for me, is there an example? which api I can > call for this? > > Thanks, > Nan > > On Tue, Feb 12, 2019 at 6:17 PM Matthias J. Sax <matth...@confluent.io> > wrote: > >> You could do a range query from "abc" to "abd" for example (in this >> case, you would need to make sure to check the result form the iterator >> and drop "abd" though). >> >> Note, that range queries are executed on the raw bytes. Thus, you need >> to understand how the serializes you use work. In doubt, you may want to >> use conservative ranges and apply a filter on the iterator to ignore >> false positives. >> >> Also, this only work for prefix queries, ie, if you query with a know >> prefix of the key. >> >> Hope this helps. >> >> -Matthias >> >> On 2/12/19 8:25 AM, Nan Xu wrote: >>> Hi, >>> >>> Just wondering if there is a way to do a sql like "select key, >>> value.fieild1 from ktable where key like abc%" >>> The purpose of this to select some value from a ktable without a >> fully >>> defined key. Store.all then filter on them would be very inefficient if >>> store is big. >>> >>> Thanks, >>> Nan >>> >> >> >
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