FireDAC Components for Databricks

Build 21.0.7930

Miscellaneous

This section provides a complete list of the Miscellaneous properties you can configure in the connection string for this provider.


PropertyDescription
AsyncQueryTimeoutThe timeout for asynchronous requests issued by the provider to download large result sets.
DescribeCommandThe describe command used to communicate with the Hive server. Accepted entries are DESCRIBE and DESC.
DetectViewSpecifies whether to use DECRIBE FORMATTED ... to detect the specified table is view or not.
MaximumColumnSizeThe maximum column size.
MaxRowsLimits the number of rows returned rows when no aggregation or group by is used in the query. This helps avoid performance issues at design time.
OtherThese hidden properties are used only in specific use cases.
PseudoColumnsThis property indicates whether or not to include pseudo columns as columns to the table.
QueryPassthroughThis option passes the query to the Databricks server as is.
ReadonlyYou can use this property to enforce read-only access to Databricks from the provider.
RTKThe runtime key used for licensing.
ServerConfigurationsA name-value list of server configuration variables to override the server defaults.
SupportEnhancedSQLThis property enhances SQL functionality beyond what can be supported through the API directly, by enabling in-memory client-side processing.
TimeoutThe value in seconds until the timeout error is thrown, canceling the operation.
UseDescTableQueryThis option specifies whether the columns will be retrieved using a DESC TABLE query or the GetColumns Thrift API.
UseInsertSelectSyntaxSpecifies whether to use an INSERT INTO SELECT statement.
UseShowDatabasesQueryThis option specifies whether the schemas will be retrieved using a SHOW DATABASES query or the GetSchemas Thrift API.
UseShowTablesQueryThis option specifies whether the tables will be retrieved using a SHOW TABLES query or the GetTables Thrift API.

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Build 21.0.7930