sequence(attr) → sequence
singleSelection(attr) → value
object(attr) → value
array(index) → value
Get a single field from an object. If called on a sequence, gets that field from every object in the sequence, skipping objects that lack it.
Example: What was Iron Man’s first appearance in a comic?
r.table('marvel').get('IronMan')('firstAppearance').run(conn, callback)
The () command also accepts integer arguments as array offsets, like the nth command.
Example: Get the fourth element in a sequence. (The first element is position 0, so the fourth element is position 3.)
r.expr([10, 20, 30, 40, 50])(3)
40
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