erlCQL

Cassandra native protocol CQL Erlang client.

API

Start

erlcql:start_link(Options :: proplists:proplist()) ->
    {ok, Pid :: pid()} | {error, Reason :: term()}.

Options

Option	Type	Default
host	string()	`"localhost"`
port	integer()	`9042`
username	bitstring()	`<<"cassandra">>`
password	bitstring()	`<<"cassandra">>`
cql_version	bitstring()	undefined
compression	erlcql:compression()	false
use	bitstring()	undefined
event_handler	pid() \| erlcql:event_fun()	self()
auto_reconnect	boolean()	false
reconnect_start	pos_integer()	1000
reconnect_max	pos_integer()	30000
keepalive	boolean()	false

Query

Types

Cassandra type	Erlang type
ascii	bitstring()
bigint	integer()
blob	binary()
boolean	boolean()
counter	integer()
decimal	float()
double	float()
float	float()
inet	inet:ip_address()
int	integer()
timestamp	integer()
timeuuid	erlcql:uuid()
uuid	erlcql:uuid()
varchar/text	bitstring()
varint	integer()
list<type>	list(type())
set<type>	list(type())
map<key, value>	list(tuple(key(), value()))
custom	binary()

Notes

Versions

Supported versions: v1.