👀
I'm doing a roundtable conference about the future of Java and Kotlin at the end of the month.... should I.......
Ivan “CLOVIS” Canet
@ivcanet.bsky.social
414 followers 348 following 1.3K posts
Kotlin developer & teacher @ 4SH, learn more about me: ivan.canet.dev Open source at opensavvy.dev • @opensavvy.techhub.social.ap.brid.gy Organizing the Kotlin Bordeaux User Group at bordeauxkt.io
 method which returns intermediate results:
```kotlin
users.aggregate()
.match { User::age gte 18 }
.sort { ascending(User::age) }
.limit(1)
.also { println(it.debug()) } // Temporarily add when debugging, or call using the debugger
.toList()
```
```terminaloutput
Pipeline debug (first 10 resulting documents after each stage):
Stage: {}
{"_id": {"$oid": "6aa304b526a3e786897e397a"}, "name": "Alice", "age": 30}
{"_id": {"$oid": "6aa304b526a3e786897e397b"}, "name": "Bob", "age": 17}
{"_id": {"$oid": "6aa304b526a3e786897e397c"}, "name": "Charlie", "age": 22}
Stage: {"$match": {"age": {"$gte": 18}}}
{"_id": {"$oid": "6aa304b526a3e786897e397a"}, "name": "Alice", "age": 30}
{"_id": {"$oid": "6aa304b526a3e786897e397c"}, "name": "Charlie", "age": 22}
Stage: {"$sort": {"age": 1}}
{"_id": {"$oid": "6aa304b526a3e786897e397c"}, "name": "Charlie", "age": 22}
{"_id": {"$oid": "6aa304b526a3e786897e397a"}, "name": "Alice", "age": 30}
Stage: {"$limit": 1}
{"_id": {"$oid": "6aa304b526a3e786897e397c"}, "name": "Charlie", "age": 22}
```
If a stage throws an exception, the debug method will say which one explicitly.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:v5d32e7ctst5trrzjaztzuyo/bafkreifcasujwmr62xlabzrhminknmmw226yig4q5jnfh5r7mtle3qkkdq)
