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 HarperDB when the connection is opened. |
FlattenArrays | Set FlattenArrays to the number of array elements you want to return as table columns. Otherwise, arrays are returned as strings of JSON. |
FlattenObjects | Set FlattenObjects to true to flatten object properties into columns of their own. Otherwise, nested objects are returned as strings of JSON. |
MaxRows | Limits 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. |
Other | These hidden properties are used only in specific use cases. |
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 | This property indicates whether or not to include pseudo columns as columns to the table. |
Readonly | You can use this property to enforce read-only access to HarperDB from the provider. |
RefreshCachedSchemaAfterDDL | Whether or not the driver should refresh cached metadata, whether cached in memory or cached otherwise as configured by the driver's caching settings, after the successful execution of the driver's stored procedures, which all affect the schema in HarperDB itself. |
RowScanDepth | The maximum number of rows to scan when generating table metadata. Set this property to gain more control over how the provider detects data types. |
Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
TypeDetectionScheme | Comma-separated options for how the provider will scan the data to determine the fields and datatypes in each document collection. |
UseConnectionPooling | This property enables connection pooling. |
UserDefinedViews | A filepath pointing to the JSON configuration file containing your custom views. |