Miscellaneous
This section provides a complete list of the Miscellaneous properties you can configure in the connection settings for this provider.
| Property | Description |
| DataBoostEnabled | For the case of a partitioned query, setting this this field to true means the request is executed with Spanner Data Boost independent compute resources. |
| AWSWorkloadIdentityConfig | Configuration properties to provide when using Workload Identity Federation via AWS. |
| BatchSize | The maximum size of each batch operation to submit. |
| DefaultDomain | This property is used for the Oracle Database Gateway for ODBC. |
| EnableForeignKeyDetection | Whether to detect the foreign keys in ODBC. |
| IncludeDualTable | Set this property to mock the Oracle DUAL table for better compatibility with Oracle database. |
| LimitKeySize | The maximum length of a primary key column. |
| MapBigintToVarchar | This property controls whether or not the bigint type maps to SQL_VARCHAR instead of SQL_BIGINT. This property is false by default. |
| MapToInt | This property controls whether or not the long type maps to SQL_INTEGER instead of SQL_BIGINT. This property is false by default. |
| MapToLongVarchar | This property controls whether or not a column is returned as SQL_LONGVARCHAR. |
| MapToWVarchar | This property controls whether or not string types map to SQL_WVARCHAR instead of SQL_VARCHAR. This property is set by default. |
| MaximumColumnSize | The maximum column size. |
| MaxRows | Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses. |
| Other | These hidden properties are used only in specific use cases. |
| PseudoColumns | Specify a set of pseudocolumns to expose as columns. |
| QueryPartitionMode | Configures what type of query the provider creates and how it extracts the data from the source. |
| QueryPassthrough | This option passes the query to the Google Spanner server as is. |
| Readonly | You can use this property to enforce read-only access to Google Spanner from the provider. |
| RTK | The runtime key used for licensing. |
| Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
| UpperCaseIdentifiers | This property reports all identifiers in uppercase. This is the default for Oracle databases and thus allows better integration with Oracle tools such as the Oracle Database Gateway. |
| UserDefinedViews | A filepath pointing to the JSON configuration file containing your custom views. |
| WorkloadPoolId | The ID of your Workload Identity Federation pool. |
| WorkloadProjectId | The ID of the Google Cloud project that hosts your Workload Identity Federation pool. |
| WorkloadProviderId | The ID of your Workload Identity Federation pool provider. |