range
Filter only a specified number of objects into the next step.
Synopsis
range([ local ], low_integer, high_integer )
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 range()
step is a filter step
that allows only the specified number of objects to pass onto the next step.
Examples
Find the first two countries listed for each
person:
g.V().valueMap().
select('country').
range(local, 0, 2)
Find the first two countries that each person has lived in ordered by
startYear:
g.V().hasLabel('person').
local(properties('country').order().by('startYear').range(0, 2).value().fold())