Neogma v1 Documentation | Models Overview

linkModels Overview

Models provide lots of functions to automate creating, reading, updating, and deleting nodes and relationships. Every time a node is created or fetched from the database, an Instance of this Model is created and provides access to its properties and other helper methods.

To provide that functionality, a model definition needs the following configuration:

The label(s) that the nodes have.

All its potential relationships with other models (even itself).

A schema with the nodes' properties and validation for them.

(optional) Statics (for the Model) and methods (for the Instance).

(optional) A primary key field. The values of this field will be used as a unique identifier for the nodes, which will enable some methods to be used.

Examples can be found next.

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