TDV Adapter for Couchbase

Build 22.0.8462


The number of elements to expose as columns from nested arrays. Ignored if IgnoreChildAggregates is enabled.

Data Type


Default Value



By 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. This is only recommended for arrays that are expected to be short.

Set FlattenArrays to the number of elements you want to return from nested arrays. The specified elements are returned as columns. The zero-based index is concatenated to the column name. Other elements are ignored.

For example, you can return an arbitrary number of elements from an array of strings:

When FlattenArrays is set to 1, the preceding array is flattened into the following table:

Column NameColumn Value

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Build 22.0.8462