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I'm currently running into the following issue.
To connect to a database I have to use a custom ODBC driver. Unfortunately, there is some bug which gives unexpected results.
Sometimes a column only returns NULL values while there is certainly data there. At the moment there is no possibility to research the driver in detail.
I am thinking of a loop which goes over all columns of a table, and if all values are NULL, reloads that data.
I do not have a clear idea of how to tackle this, but is probably something like this:
Do you guys have any tips on how to proceed?