var pg = require('pg');
var client = new pg.Client('postgres://xuser:xpassword@localhost:5432/xdb');
 
var lib = new Object();
lib.all = function () {
    client.connect();
    var result = "";
    var query = client.query("SELECT * FROM users");
    //??????????
 
    query.on('row', function (row) {
        //????????????
    });
 
    query.on('end', function () {
        client.end();
    });
 
    return result;
};
 
exports.module = lib;
 

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