Microsoft Azure Cosmos DB Format Attributes

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

The Cosmos DB 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_partition_key N/A Value for the x-ms-documentdb-partitionkey header to supply in writer operations.
documentdb_json N/A If Include Document JSON is enabled, then features read from Cosmos DB include the whole JSON for each Document in this attribute.
json_type N/A Geometry type. Read-only.

Geometry Types

All geometries in Cosmos DB are geospatial, in the LL84 coordinate system. The Cosmos DB 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