edthix

from datetime import timedelta, datetime
import airflow
from airflow import DAG
from airflow.models import Variable
from airflow.contrib.operators.ssh_operator import SSHOperator
from airflow.contrib.hooks.ssh_hook import SSHHook
from airflow.operators.postgres_operator import PostgresOperator

default_args = {
    'owner': 'airflow',

toledorobia

SELECT * 
FROM user 
WHERE email NOT REGEXP '^[a-zA-Z0-9][a-zA-Z0-9._-]*[a-zA-Z0-9_\-]@[a-zA-Z0-9][a-zA-Z0-9._-]*[a-zA-Z0-9]\.[a-zA-Z]{2,4}$'