duysmile / go-cassandra

Simple project to interact with Cassandra

Simple chat-app with Cassandra

Simple chat system to interact with Cassandra in Golang

Installation

Setup Cassandra with cluster name

docker run --name cassandra -d -p 7000:7000 -e CASSANDRA_CLUSTER_NAME=chat-cluster cassandra:4.0.4

Query in Cassandra with cqlsh

• Access cqlsh in docker container

docker exec -it cassandra cqlsh --cqlversion 3.4.5

• Run command in cqlsh

# create keyspace
CREATE KEYSPACE chatapi WITH replication = {'class': 'SimpleStrategy', 'replication_factor' : 1};

# check if keyspace is created
DESCRIBE keyspaces;

• Create 2 tables: users and messages in Cassandra

use chatapi;
CREATE TABLE messages (
    id UUID,
    user_id UUID,
    Message text,
    PRIMARY KEY(id)
);
CREATE TABLE users (
    id UUID,
    firstname text,
    lastname text,
    age int,
    email text,
    city text,
    PRIMARY KEY (id)
);

Install cassandra drive in Go