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Support setting column comments in ClickHouse #10641

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merged 2 commits into from
Jan 18, 2022
Merged

Support setting column comments in ClickHouse #10641

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8f25acf
Support setting column comments in ClickHouse
ebyhr Jan 17, 2022
36332bf
Use sql-schema-table-management in ClickHouse documentation
ebyhr Jan 17, 2022
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7 changes: 1 addition & 6 deletions docs/src/main/sphinx/connector/clickhouse.rst
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Expand Up @@ -184,11 +184,6 @@ statements, the connector supports the following features:

* :doc:`/sql/insert`
* :doc:`/sql/truncate`
* :doc:`/sql/create-table`
* :doc:`/sql/create-table-as`
* :doc:`/sql/drop-table`
* :doc:`/sql/create-schema`
* :doc:`/sql/drop-schema`
* :doc:`/sql/alter-schema`
* :ref:`sql-schema-table-management`

.. include:: alter-schema-limitation.fragment
11 changes: 11 additions & 0 deletions plugin/trino-clickhouse/src/main/java/io/trino/plugin/clickhouse/ClickHouseClient.java
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Expand Up @@ -315,6 +315,17 @@ public void renameColumn(ConnectorSession session, JdbcTableHandle handle, JdbcC
}
}

@Override
public void setColumnComment(ConnectorSession session, JdbcTableHandle handle, JdbcColumnHandle column, Optional<String> comment)
{
String sql = format(
"ALTER TABLE %s COMMENT COLUMN %s '%s'",
quoted(handle.asPlainTable().getRemoteTableName()),
quoted(column.getColumnName()),
comment.orElse(""));
execute(session, sql);
}

@Override
public ResultSet getTables(Connection connection, Optional<String> schemaName, Optional<String> tableName)
throws SQLException
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1 change: 0 additions & 1 deletion ...rino-clickhouse/src/test/java/io/trino/plugin/clickhouse/TestClickHouseConnectorTest.java
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Expand Up @@ -78,7 +78,6 @@ protected boolean hasBehavior(TestingConnectorBehavior connectorBehavior)
return false;

case SUPPORTS_COMMENT_ON_TABLE:
case SUPPORTS_COMMENT_ON_COLUMN:
return false;

case SUPPORTS_ARRAY:
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