Miscellaneous
This section provides a complete list of the Miscellaneous properties you can configure in the connection string for this provider.
Property | Description |
BatchSize | The maximum size of each batch operation to submit. |
ConnectionLifeTime | The maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed. |
ConnectOnOpen | This property specifies whether to connect to the Apache Impala when the connection is opened. |
HTTPPath | The path component of the URL endpoint when using HTTP TransportMode. |
JGSSPrincipalAsDBUser | Whether to use the Kerberos principal as the database username. Only applies when UseJGSS is enabled. |
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. |
Pagesize | The maximum number of results to return per page from Apache Impala. |
PoolIdleTimeout | The allowed idle time for a connection before it is closed. |
PoolMaxSize | The maximum connections in the pool. |
PoolMinSize | The minimum number of connections in the pool. |
PoolWaitTime | The max seconds to wait for an available connection. |
PseudoColumns | Specify a set of pseudocolumns to expose as columns. |
QueryPassthrough | This option passes the query to the Apache Impala server as is. |
Readonly | You can use this property to enforce read-only access to Apache Impala from the provider. |
RTK | The runtime key used for licensing. |
ServerTimeZone | Defines the timezone used by the server for conversions between UTC and local time. |
Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
UseConnectionPooling | This property enables connection pooling. |
UseJGSS | Specify whether to use the native Java Kerberos Authentication(JGSS) for Kerberos Authentication. |
UserDefinedViews | A filepath pointing to the JSON configuration file containing your custom views. |
UseSSL | Specifies whether to use SSL Encryption when connecting to Impala. |