How to convert date strings to timestamp without knowing the date format

Question

I am trying to write a query to insert a value into a timestamp with no timezone data type field. The value is coming from CSV file.

The version I am w

Answer 1

I agree with Erwin, but I would try create database function (PL/pgSQL, PL/Python or other language) that can convert various date strings into date. In Erwins answer you can see WHEN ... THEN and you can use it. Such function will be easier to test and maintain.