Menu
AWS CloudFormation
User Guide (API Version 2010-05-15)

DynamoDB Projection Object

Attributes that are copied (projected) from the source table into the index. These attributes are additions to the primary key attributes and index key attributes, which are automatically projected.

Syntax

JSON

Copy
{ "NonKeyAttributes" : [ String, ... ], "ProjectionType" : String }

YAML

Copy
NonKeyAttributes: - String ProjectionType: String

Properties

NonKeyAttributes

The non-key attribute names that are projected into the index.

For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes in determining the total.

Required: No

Type: List of strings

ProjectionType

The set of attributes that are projected into the index:

KEYS_ONLY

Only the index and primary keys are projected into the index.

INCLUDE

Only the specified table attributes are projected into the index. The list of projected attributes are in NonKeyAttributes.

ALL

All of the table attributes are projected into the index.

Required: No

Type: String