Find

Find multiple documents from the database

Documentation

Find multiple documents from the database matching filter.

Selection of fields to return can be specified using projection. Filter and Projection can be specified either as part of the configuration or using opt-in json-ports.

See https://docs.mongodb.com/manual/reference/method/db.collection.find/ for more details.

For info on how to input data to MongoDB, see MongoDB data format.

Definition

Input ports

mongodb

Type: mongodb

Description: MongoDB

filter

Type: json

Description: Filter as json

Optional number of ports: 0–1 (default: 0)

projection

Type: json

Description: Projection as json

Optional number of ports: 0–1 (default: 0)

Output ports

mongodb

Type: mongodb

Description: MongoDB

Optional number of ports: 0–1 (default: 1)

documents

Type: json

Description: Documents

Configuration

Filter (filter)

Filter as json.

Limit (limit)

Limit the maximum number of output documents. (0=unlimited)

Projection (projection)

Projection as json.

Examples

Example flows demonstrating this node:

• MongoDBtoTable.syx

• MongoDBBasicOperations.syx

Implementation

class node_mongodb.FindMongoDB