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Redisのeval/lua scriptをnode.jsで利用してみた

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前提条件

  • Redis 3.2-rc3
  • Node.js 5.9.1
  • npm
    • node_redis 2.6.0-0

ソースコード

'use strict'

let redis = require("redis")
  , client = redis.createClient()
  ;

let script = 'return redis.call("INCR", KEYS[1])';
client.eval(script, 1, 'foo', function (err, reply) {
    console.log(reply.toString());
});

client.script('load', script, function (err, reply) {
    let sha1 = reply.toString();
    console.log(sha1);
    client.evalsha(sha1, 1, 'foo', function (err2, reply2) {
        console.log(reply2.toString());
        client.quit();
    });
});

実行結果

1
f793247de6e1e3c553cd42d39c812df499e679e4
2

参考資料

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