attributes()

Return the attribute keys of a document.

ATTRIBUTES({b: 2, _key: "x", a: 1})              // returns ["b", "_key", "a"]
ATTRIBUTES({b: 2, _key: "x", a: 1}, true)        // returns ["b", "a"]
ATTRIBUTES({b: 2, _key: "x", a: 1}, true, true)  // returns ["a", "b"]

Parameters

$document : string

The document variable or expression.

$removeSystemAttrs : bool|null = null

Whether to omit system attributes (_id, _key, _rev, ...).

$sort : bool|null = null

Whether to sort the keys alphabetically.

Tags

example

use function oihana\arango\db\functions\documents\attributes;

$expr = attributes('doc');
// Produces: 'ATTRIBUTES(doc)'

$expr = attributes('doc', true, true);
// Produces: 'ATTRIBUTES(doc,true,true)'

see

https://docs.arangodb.com/stable/aql/functions/document-object/#attributes

keys()

since

1.1.0

author

Marc Alcaraz