[GitHub] [druid] techdocsmith commented on a diff in pull request #12088: Clarify the use of the Lookup API

[GitBox <gi...@apache.org>]

techdocsmith commented on code in PR #12088:
URL: https://github.com/apache/druid/pull/12088#discussion_r852337503


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docs/querying/lookups.md:
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@@ -290,6 +290,8 @@ For example, a post to `/druid/coordinator/v1/lookups/config/realtime_customer1/
 
 This will replace the `site_id_customer1` lookup in the `realtime_customer1` with the definition above.
 
+Make sure to assign a unique version identifier each time you update a lookup extractor factory. If the version already exists, the call will fail.

Review Comment:
   ```suggestion
   Assign a unique version identifier each time you update a lookup extractor factory. Otherwise the call will fail.
   ```



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