Prevent SQL injection.
Note: output_error in Output.pm needs further attention, but out
of scope here. (The error passed gets replaced by 404 here too.)
Test plan:
Pass something else than table.field in Line or Column URL param.
(Manipulate URL.)
You should be redirected to 404 error instead of 500.
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
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