has

Filter based on a particular label or value.

Synopsis

has( { 'vertexLabel' | 'edgeLabel' }, [ 'propertyKey_name', 'propertyKey_value' ] ... )
Table 1. Legend
Syntax conventions Description
Lowercase and uppercase Literal keyword. Includes ().
Italics Variable value. Replace with a user-defined value.
[] Optional. Square brackets ( [] ) surround optional command arguments. Do not type the square brackets.
{} Group. Braces ( {} ) identify a group to choose from. Do not type the braces.
| Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.
... Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.

Description

The has() step is a filter step. It is the most common step used for graph traversals, since this step narrows the query to find particular vertices or edges with certain property values.

Examples

Find the meal item that is called a taco:
g.V().has('meal_item', 'name', 'taco')