UpdateConnection

Updates existing Connection objects that satisfy the specified constraints.

Parameters

• [optional] ref: Reference to other connections within the transaction.
• [optional] with_class: name of entity class.
• [optional] constraints
• [optional] properties
• [optional] remove_props

Details

If the ref parameter is used, with_class and constraints will be ignored.

If the ref parameter is specified, it must refers to the search results of a FindConnection within the transaction.

Examples

Find the connection of class “FriendWith” with a particular “since” property, and remove the “last_connected” property:

[ {
    "UpdateConnection": {
        "class": "FriendWith",
        "constraints": {
            "since": [ "==", 1998 ],
        },
        "remove_props": [ "last_seen_together" ]
    }
}]

Find the connection of class “HasBeen” with a particular “year” property, and change/add two new properties:

[ {
    "UpdateConnection": {
        "class": "HasBeen",
        "constraints": {
            "year": [ "==", 2002 ],
        },
        "properties": {
            "year":  2001,
            "month": "June"
        }
    }
}]