Configure Ports
When you define the transformation ports, you define port properties. Port properties include the port name, the data type, the port type, and the default value.
Configure the following port properties:
- •Port name. The name of the port. Use the following conventions while naming ports:
- - Begin with a single- or double-byte letter or single- or double-byte underscore (_).
- - Port names can contain any of the following single- or double-byte characters: a letter, number, underscore (_), $, #, or @.
- •Datatype, precision, and scale. If you plan to enter an expression or condition, verify that the datatype matches the return value of the expression.
- •Port type. Transformations can contain a combination of input, output, input/output, and variable port types.
- •Default value. Assign a default value for a port that contains null values or an output transformation error. You can override the default value in some ports.
- •Description. A description of the port.
- •Other properties. Some transformations have properties specific to that transformation, such as expressions or group by properties.