ORM Char/TextField substring

Does Django provide a way to only get part of a text string at the ORM level? That means using SQL functions as to only download a substring. As in the substr,left sql functions? -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe

FileField delete and update handling

Hi, As it seems Django doesn't handle the update and delete of files from a FileField by itself leaving you them pretty hard to use by default. I tried search around but couldn't find a proper answer as to the correct way of handling this. I'm looking for the case where when the file is update