Crate reql[−][src]

ReQL is the RethinkDB query language. It offers a very powerful and convenient way to manipulate JSON documents.

Start the server

Start the server from a terminal window.

$ rethinkdb

Start the server from the Windows command prompt.

C:\Path\To\RethinkDB\>rethinkdb.exe

First, make sure you have protoc installed and in your PATH. See prost-build documentation for more details if it fails to compile.

Add this crate (reql) and the futures crate to your dependencies in Cargo.toml.

Now import the RethinkDB driver:

use reql::r;

You can now access RethinkDB commands through the r struct.

When you first start RethinkDB, the server opens a port for the client drivers (28015 by default). Let’s open a connection:

use reql::r;

let connection = r.connect(()).await?;

The variable connection is now initialized and we can run queries.

use futures::TryStreamExt;
use reql::r;

let conn = r.connect(()).await?;
let mut query = r.expr("Hello world!").run(&conn);

Connection	The connection object returned by `r.connect()`
Query	The query that will be sent to RethinkDB
r	The top-level ReQL namespace

Availability	A server in the cluster is unavailable
Client	An error has occurred within the driver
Error	The most generic error message in ReQL
Runtime	The parent class of all runtime errors

Custom result returned by various ReQL commands