Tableau Connector for Amazon DynamoDB

Build 24.0.9060

Miscellaneous

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


PropertyDescription
AutoDetectIndexA boolean indicating if secondary indexes should be automatically detected based on the query used.
BatchSizeThe maximum size of each batch operation to submit.
ConnectionLifeTimeThe maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed.
ConnectOnOpenThis property specifies whether to connect to the Amazon DynamoDB when the connection is opened.
FlattenArraysBy default, nested arrays are returned as strings of JSON. The FlattenArrays property can be used to flatten the elements of nested arrays into columns of their own. Set FlattenArrays to the number of elements you want to return from nested arrays.
FlattenObjectsSet FlattenObjects to true to flatten object properties into columns of their own. Otherwise, objects nested in arrays are returned as strings of JSON.
FlexibleSchemaSet FlexibleSchema to true to scan for additional metadata on the query result set. Otherwise, the metadata will remain the same.
GenerateSchemaFilesIndicates the user preference as to when schemas should be generated and saved.
IgnoreTypesRemoves support for the specified types. For example, Time. These types will then be reported as strings instead.
MaximumRequestRetriesThe maximum number of times to retry a request.
MaxRowsLimits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses.
OtherThese hidden properties are used only in specific use cases.
PagesizeConfigures the maximum number of items that Amazon DynamoDB evaluates per API request.
PoolIdleTimeoutThe allowed idle time for a connection before it is closed.
PoolMaxSizeThe maximum connections in the pool.
PoolMinSizeThe minimum number of connections in the pool.
PoolWaitTimeThe max seconds to wait for an available connection.
PseudoColumnsSpecify a set of pseudocolumns to expose as columns.
QueryModeThis property indicates how the driver will retrieve the results.
ReadonlyYou can use this property to enforce read-only access to Amazon DynamoDB from the provider.
RetryWaitTimeThe minimum number of milliseconds the provider will wait to retry a request.
RowScanDepthThe maximum number of rows to scan to look for the columns available in a table.
RTKThe runtime key used for licensing.
SeparatorCharacterThe character or characters used to denote hierarchy.
ThreadCountThe number of threads to use when selecting data via a parallel scan. Setting ThreadCount to 1 will disable parallel scans.
TimeoutThe value in seconds until the timeout error is thrown, canceling the operation.
TypeDetectionSchemeDetermines how to determine the data type of columns.
UseBatchWriteItemOperationWhen enabled the provider will use BatchWriteItem operation for handling updates and INSERTs. By default, the provider uses ExecuteStatement/BatchExecuteStatement operation. You need to enable BatchWriteItem only when inserting/updating binary/binary-set data. ExecuteStatement/BatchExecuteStatement doesn't support manipulating binary fields.
UseConnectionPoolingThis property enables connection pooling.
UseConsistentReadsWhether to alyways use Consistent Reads or not when querying DynamoDb.
UserDefinedViewsA filepath pointing to the JSON configuration file containing your custom views.
UseSimpleNamesBoolean determining if simple names should be used for tables and columns.

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Build 24.0.9060