It was discovered that 'Select' transformation is not throwing warning messages for cases where data truncation is happening but relevant warning is being reflected from the 'Formula' transformation. I think it would be good if we can have a consistent logging of warnings/errors for all transformations (at least consistent across the ones based on same use cases - for e.g. when using Alteryx as an ETL tool, 'Select' and 'Formula' tool usage should be common place).
Without this in place, it becomes difficult to completely rely on Alteryx in terms of whether in a workflow which is moving/populating data from source to target truncation related errors/warnings would be highlighted in a consistent manner or not. This might lead to additional overhead of having some logic built in to capture such data issues which is again differing transformation by transformation - for e.g when data passes through 'Formula' tool there is no need for custom error/warning logging for truncation but when the same data passes through 'Select' transformation in the workflow it needs to be custom captured.