| SPI Name | Description |
|---|---|
| DatabaseProtocolFrontendEngine | Regulate parse and adapter protocol of database access for ShardingSphere-Proxy |
| Implementation Class | Description |
|---|---|
| MySQLFrontendEngine | Base on MySQL database protocol |
| PostgreSQLFrontendEngine | Base on PostgreSQL database protocol |
| OpenGaussFrontendEngine | Base on openGauss database protocol |
| SPI Name | Description |
|---|---|
| AuthorityProvideAlgorithm | User authority loading logic |
| Implementation Class | Type | Description |
|---|---|---|
| NativeAuthorityProviderAlgorithm (Deprecated) | NATIVE | Persist user authority defined in server.yaml into the backend database. An admin user will be created if not existed. |
| AllPrivilegesPermittedAuthorityProviderAlgorithm | ALL_PRIVILEGES_PERMITTED | All privileges granted to user by default (No authentication). Will not interact with the actual database. |
| SchemaPrivilegesPermittedAuthorityProviderAlgorithm | SCHEMA_PRIVILEGES_PERMITTED | Permissions configured through the attribute user-schema-mappings. |