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| {{ $ref := ref . "maintenance/configurations.md" }} |
| <table class="configuration table table-bordered"> |
| <thead> |
| <tr> |
| <th class="text-left" style="width: 15%">Configuration</th> |
| <th class="text-left" style="width: 85%">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td><h5>--warehouse</h5></td> |
| <td>The path to Paimon warehouse.</td> |
| </tr> |
| <tr> |
| <td><h5>--database</h5></td> |
| <td>The database name in Paimon catalog.</td> |
| </tr> |
| <tr> |
| <td><h5>--table</h5></td> |
| <td>The Paimon table name.</td> |
| </tr> |
| <tr> |
| <td><h5>--partition_keys</h5></td> |
| <td>The partition keys for Paimon table. If there are multiple partition keys, connect them with comma, for example "dt,hh,mm".</td> |
| </tr> |
| <tr> |
| <td><h5>--primary_keys</h5></td> |
| <td>The primary keys for Paimon table. If there are multiple primary keys, connect them with comma, for example "buyer_id,seller_id".</td> |
| </tr> |
| <tr> |
| <td><h5>--type_mapping</h5></td> |
| <td>It is used to specify how to map MySQL data type to Paimon type.<br /> |
| Supported options: |
| <ul> |
| <li>"tinyint1-not-bool": maps MySQL TINYINT(1) to TINYINT instead of BOOLEAN.</li> |
| <li>"to-nullable": ignores all NOT NULL constraints (except for primary keys). |
| This is used to solve the problem that Flink cannot accept the MySQL 'ALTER TABLE ADD COLUMN type NOT NULL DEFAULT x' operation. |
| </li> |
| <li>"to-string": maps all MySQL types to STRING.</li> |
| <li>"char-to-string": maps MySQL CHAR(length)/VARCHAR(length) types to STRING.</li> |
| <li>"longtext-to-bytes": maps MySQL LONGTEXT types to BYTES.</li> |
| <li>"bigint-unsigned-to-bigint": maps MySQL BIGINT UNSIGNED, BIGINT UNSIGNED ZEROFILL, SERIAL to BIGINT. You should ensure overflow won't occur when using this option.</li> |
| </ul> |
| </td> |
| </tr> |
| <tr> |
| <td><h5>--sync_primary_keys_from_source_schema</h5></td> |
| <td>This is used to specify if primary keys from source should be used in paimon schema if primary keys using --primary_keys are not specified. The default is true.</td> |
| </tr> |
| <tr> |
| <td><h5>--computed_column</h5></td> |
| <td>The definitions of computed columns. The argument field is from MySQL table field name. See <a href="../overview/#computed-functions">here</a> for a complete list of configurations. </td> |
| </tr> |
| <tr> |
| <td><h5>--metadata_column</h5></td> |
| <td>--metadata_column is used to specify which metadata columns to include in the output schema of the connector. Metadata columns provide additional information related to the source data, for example: --metadata_column table_name,database_name,op_ts. See its <a href="https://nightlies.apache.org/flink/flink-cdc-docs-master/docs/connectors/flink-sources/mysql-cdc/#available-metadata">document</a> for a complete list of available metadata.</td> |
| </tr> |
| <tr> |
| <td><h5>--mysql_conf</h5></td> |
| <td>The configuration for Flink CDC MySQL sources. Each configuration should be specified in the format "key=value". hostname, username, password, database-name and table-name are required configurations, others are optional. See its <a href="https://nightlies.apache.org/flink/flink-cdc-docs-master/docs/connectors/flink-sources/mysql-cdc/#connector-options">document</a> for a complete list of configurations.</td> |
| </tr> |
| <tr> |
| <td><h5>--catalog_conf</h5></td> |
| <td>The configuration for Paimon catalog. Each configuration should be specified in the format "key=value". See <a href="{{ $ref }}#catalogoptions">here</a> for a complete list of catalog configurations.</td> |
| </tr> |
| <tr> |
| <td><h5>--table_conf</h5></td> |
| <td>The configuration for Paimon table sink. Each configuration should be specified in the format "key=value". See <a href="{{ $ref }}">here</a> for a complete list of table configurations.</td> |
| </tr> |
| </tbody> |
| </table> |