ATN2 Function - SQL Server to PostgreSQL Migration

In SQL Server ATN2 function returns arctangent of two numbers. In PostgreSQL you can use ATAN2 function.

SQL Server:

  -- Get arctangent
  SELECT ATN2(35.17, 129.44);
  # 0.265303934222674

PostgreSQL:

  -- Get arctangent
  SELECT ATAN2(35.17, 129.44);
  # 0.2653039342226741

For more information, see SQL Server to PostgreSQL Migration.