Search Tutorial Projections with C#

EventStoreDB
1

Hi

is there a tutorial for making projections with the c# client?

Many thanks in advance

Boas

2

Use a catchupsubscriber and dispatch to your projection code. There are about 200 examples on the web of how to write projections oo vs functional styles etc. The subscription does the heavy lifting of getting the messages to you from there it’s just mapping it to a function call.

Have you seen aggregate source? It has projections iirc

3

Thanks the CatchUp-Subscriber was the missing link :slight_smile:

4

Eg subscribetostreamfrom or subscribetoal from returns the catchup subscription if I wasn’t clear (rereading)

5

AggregateSource doesn't, but Projac does: https://github.com/yreynhout/Projac