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linkDeleting Relationships

linkDeleting Relationships via the Model static

Using the deleteRelationships static of a Model and providing a Where parameter, relationships of the Model can be deleted

1linkconst deletedCount = await Users.deleteRelationships({

2link    /* --> the alias of the relationship, as provided in the Model definition */

3link    alias: 'Orders',

4link    /* --> the Relationships to be deleted will be matched using this param */

5link    where: {

6link        /* --> (optional) the relationship(s) to be deleted need to be from a User with the name 'John' AND the id '1' */

7link        source: {

8link          name: 'John',

9link          id: '1',

10link        },

11link        /* --> (optional) the relationship(s) to be deleted need to be to an Order with the id '2' */

12link        target: {

13link          id: '2',

14link        },

15link        /* --> (optional) the relationship(s) to be deleted need to be match the following properties */

16link        relationship: {

17link          rating: 5,

18link        },

19link    },

20link    /* --> (optional) throws NeogmaNotFoundError if no relationships were deleted */

21link    throwIfNoneDeleted: false,

22link    /* --> (optional) an existing session or transaction to use */

23link    session: null,

24link});

25link

26linkconsole.log(deletedCount); // number of relationships deleted

Deleting RelationshipsDeleting Relationships via the Model static

Introduction Getting Started

Modelschevron_right

Overview Defining a Model Instances Creating Nodes and Relationships Merging Nodes and Relationships Updating Nodes and Relationships Deleting Nodes Deleting Relationships Finding Nodes and Relationships Hooks Temporary Databases

Sessions and Transactions

Query Builderchevron_right

Overview Clauses Match Clause Create Clause Set Clause On Create/On Match Clause Delete Clause Where Clause Remove Clause Order By Clause Return Clause Limit/Skip Clause With Clause Unwind Clause Helpers

Query Runnerchevron_right

Overview Running Arbitrary Queries Creating Nodes Updating Nodes Deleting Nodes Creating Relationships Helpers

Bind Parameters

Where Parameters

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