yuqi1129 commented on code in PR #9878:
URL: https://github.com/apache/gravitino/pull/9878#discussion_r2800091567
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docs/jdbc-clickhouse-catalog.md:
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@@ -0,0 +1,299 @@
+---
+title: "ClickHouse catalog"
+slug: /jdbc-clickhouse-catalog
+keywords:
+- jdbc
+- clickhouse
+- metadata
+license: "This software is licensed under the Apache License version 2.0."
+---
+
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+## Introduction
+
+Apache Gravitino can manage ClickHouse metadata through a JDBC catalog. This
document describes the capabilities and limitations of the ClickHouse catalog,
as well as the supported operations and properties for catalogs, schemas, and
tables.
+
+:::caution
+Gravitino writes system markers into table comments (for example `(From
Gravitino, DO NOT EDIT: ...)`). Do not change or remove them.
+:::
+
+## Catalog
+
+### Catalog capabilities
+
+| Item | Description
|
+|-----------------|-------------------------------------------------------------------------|
+| Scope | One catalog maps to one ClickHouse instance
|
+| Metadata/DDL | Supports JDBC-based metadata management and DDL
|
+| Column defaults | Supports column default values
|
+| Drivers | Requires user-provided ClickHouse JDBC driver in
`catalogs-contrib/catalog-jdbc-clickhouse/libs` |
+
Review Comment:
added
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