2bethere commented on code in PR #16712: URL: https://github.com/apache/druid/pull/16712#discussion_r1672775472
########## docs/querying/lookups.md: ########## @@ -50,6 +50,10 @@ Other lookup types are available as extensions, including: - Globally cached lookups from local files, remote URIs, or JDBC through [lookups-cached-global](./lookups-cached-global.md). - Globally cached lookups from a Kafka topic through [kafka-extraction-namespace](./kafka-extraction-namespace.md). +:::info +[Multi-value dimensions](multi-value-dimensions.md) are not supported as keys in lookups. Review Comment: It'll be helpful to tell people in this case, what they should do. I think the right answer is to flatten the MVD column into a list of keys and repeat the values of the lookups. This way you can construct a key-value pair list for lookups. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
