Pentaho Data Integration Beginner's Guide

Time for action – avoiding errors while converting the estimated time from string to integer

In this section, you will create a variation of the first transformation in this chapter. In this case, you will allow invalid data as source, but will take care of it:

1. Create a transformation.
2. Add a Data Grid step and fill in the Meta tab just like you did in the first section: add a string named project_name and two dates with the format yyyy-MM-dd, named start_date and end_date. Also add a fourth field of type String, named estimated.
3. Now also fill in the Data tab with the same values you had in that first section. For the estimated field, type the following values: 30, 180, 180, 700, 700, ---.

   Tip

   You can avoid typing all of this in again! Instead of adding ...