ReQL command: nth

Command syntax

sequence.nth(index) → object
selection.nth(index) → selection<object>

Description

Get the nth element of a sequence, counting from zero. If the argument is negative, count from the last element.

Example: Select the second element in the array.

r.expr(r.array(1,2,3)).nth(1).run(conn);

Example: Select the bronze medalist from the competitors.

r.table("players").orderBy().optArg("index", r.desc("score")).nth(3).run(conn);

Example: Select the last place competitor.

r.table("players").orderBy().optArg("index", r.desc("score")).nth(-1).run(conn);

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https://rethinkdb.com/api/java/nth/