filter
Filter the traversal to eliminate some of the returned objects based on a criteria.
Synopsis
filter(traversal)
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 filter()
step is a general filter
step. This step is used to eliminate some of the returned objects at a particular
point in a traversal based on some criteria.
Examples
Find the books that include an edge from a
recipe:
g.V().hasLabel('book').filter(__.in('includedIn').hasLabel('recipe'))