yuqi1129 commented on code in PR #11806:
URL: https://github.com/apache/gravitino/pull/11806#discussion_r3544289778


##########
docs/jdbc-clickhouse-catalog.md:
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@@ -240,8 +240,9 @@ If you need Gravitino to manage an existing cluster 
database or table, recreate
 
 - `PRIMARY_KEY`
 - Data-skipping indexes:
-  - `DATA_SKIPPING_MINMAX` (`GRANULARITY` fixed to 1)
-  - `DATA_SKIPPING_BLOOM_FILTER` (`GRANULARITY` fixed to 3)
+  - `DATA_SKIPPING_MINMAX` (default `GRANULARITY` 1, configurable via 
`Index.properties()` key `granularity`)
+  - `DATA_SKIPPING_BLOOM_FILTER` (default `GRANULARITY` 1, configurable via 
`Index.properties()` key `granularity`)
+  - Note: `ALTER TABLE ADD INDEX` always uses the default `GRANULARITY` 
because the `TableChange.AddIndex` API has no `properties` field.

Review Comment:
   Can you add create an issue to track this problem?



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