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Showing posts from March, 2024

If you want to Update, please do not Insert!

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        There are scenarios when instead of updating a record, a script creates a new one. If it is the correct logic behind the Use Case it’s fine, but as good consultants we need to make sure it doesn’t happen if the client just want to perform updates.       1.1 Use Case 1: The get() method       In the script below we may think that the lines 9 to 11 are setting values to an existing record so in line 12 we’re just updating the record.       In the right panel we can see that, as the record wasn’t found, a new record was created in the sys_user table!       To guarantee that we are updating a record, it is important to wrap the get() method in an if statement like this:       If the record to be updated does not exist, the  else  statement is warning us about that fact and we’re not creating any unnecessary record. ...