docs/api/java/document-manipulation/keys.md at master · rethinkdb/docs

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layout api-command
language Java
permalink api/java/keys/
command keys
related_commands
values

values/

Command syntax

{% apibody %} singleSelection.keys() → array object.keys() → array {% endapibody %}

Description

Return an array containing all of an object's keys. Note that the keys will be sorted as described in ReQL data types (for strings, lexicographically).

Example: Get all the keys from a table row.

// row: { "id": 1, "mail": "fred@example.com", "name": "fred" }

r.table("users").get(1).keys().run(conn);

// Result:
[ "id", "mail", "name" ]