I can't find references to SQLOperator neither in the source code nor in the API Reference.
Although it is mentioned in Concepts page : https://github.com/apache/incubator-airflow/blob/master/docs/concepts.rst#operators - SqlOperator - executes a SQL command Sorry for basic questions - just started using Airflow this week. Did it got replaced with something else? If so what that is? Thanks, Ruslan Dautkhanov
