DocumentDB Writer: Format Attributes

For information on the parameters in this dialog that are specific to all formats, see Format Attributes.

The DocumentDB Reader produces these format attributes.

Format Attribute	Document Property	Description
documentdb_id	id	The user-defined primary key.
documentdb_rid	_rid	A read-only and system-generated primary key.
documentdb_ts	_ts	A read-only and system-generated timestamp. The value is the Document’s last-updated timestamp, in seconds from the UNIX epoch.
documentdb_self	_self	A read-only and system-generated unique URI for the Document.
documentdb_etag	_etag	A read-only and system-generated value.
documentdb_attachments	_attachments	A read-only and system-generated value.
documentdb_json	N/A	If Include Document JSON is enabled, then features read from DocumentDB include the whole JSON for each Document in this attribute.
json_type	N/A	Geometry type. Read-only.

Geometry Types

All geometries in DocumentDB are geospatial, in the LL84 coordinate system. The DocumentDB reader populates the json_type format attribute with the geometry types below, based on any GeoJSON value parsed from the attribute specified by Geometry Property reader feature type parameter.

Geometry Type	Description
json_no_geom	No geometry
json_point	Single coordinate
json_line	Line geometry
json_polygon	Polygon geometry
json_collection	Any type of GeoJSON geometry collection, including homogeneous collection types