MongoDBReader JSONNodeEvent fields
The output type for MongoDBReader is JSONNodeEvent. The fields are:
data: contains the field names and values of a document, for example:
data: {"_id":2441,"company":"Striim","city":"Palo Alto"}Updates include only the modified values. Deletes include only the document ID.
removedfields: contains the names of any fields deleted by the $unset function. If no fields were deleted, the value of removedfields is null. For example:
removedfields: {"myField":true}Or if no fields have been removed:
removedfields: null
metadata: contains the following elements:
CollectionName: the collection from which the document was read
OperationName: in InitialLoad mode, SELECT; in Incremental mode, INSERT, UPDATE, or DELETE
DatabaseName: the database of the collection
DocumentKey: the document ID (same as the
_idvalue in data)Namespace:
<database name>.<collection name>Timestamp: in InitialLoad mode, the current time of the Striim server when the document was read; in Incremental mode, the timestamp from the oplog
For example:
metadata: {"CollectionName":"employee","OperationName":"SELECT","DatabaseName":"test",
"DocumentKey":1.0,"NameSpace":"test.employee","TimeStamp":1537433999609}