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OpenMetadata/openmetadata-docs/content/partials/v1.8/connectors/database/clickhouse/reverse-metadata.md
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Reverse Metadata

Description Management

Clickhouse supports description updates at the following levels:

  • Table level
  • Column level

Owner Management

❌ Owner management is not supported for Clickhouse.

Tag Management

❌ Tag management is not supported for Clickhouse.

Custom SQL Template

Clickhouse supports custom SQL templates for metadata changes. The template is interpreted using python f-strings.

Here are examples of custom SQL queries for metadata changes:

-- Update column description
ALTER TABLE `{schema}`.{table} MODIFY COLUMN {column} COMMENT {description};

The list of variables for custom SQL can be found here.

For more details about reverse metadata ingestion, visit our Reverse Metadata Documentation.