Phalcon在查询中加入多个数据库

Question

Usually in SQL or Codeigniter's Active record we can join 2 different database tables in single query like:

join database_1.table_1 on ..
join database_2.table_2 on ..

How do we achieve this is "Phalcon"?

I tried to do it, but got an error:

SQLSTATE[42S02]: Base table or view not found: 
1146 Table 'database_2.table_2' doesn't exist

Answer 1

You can make use of Phalcon's query builder

Specifically:

<?php

$builder->join('Robots');
$builder->join('Robots', 'r.id = RobotsParts.robots_id');
$builder->join('Robots', 'r.id = RobotsParts.robots_id', 'r');
$builder->join('Robots', 'r.id = RobotsParts.robots_id', 'r', 'LEFT');

OR Left joins:

<?php

$builder->leftJoin('Robots', 'r.id = RobotsParts.robots_id', 'r');

etc.