sample
Sample previous steps in the traversal.
Synopsis
sample(integer_value)| 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 sample() step is useful for sampling some number of traversers
previous in the traversal.
Examples
Get three samples of the property numServ from the includes edges of a
meal_item:
g.V().hasLabel('meal_item').inE().sample(3).by('numServ')