DBD::Ingres tries to guess by looking at the first bound variable - if it looks like an integer, it is bound like an integer, otherwise as a varchar.

Not foolproof, but it DWYM most of the time, and in the few times where it fails, you get an error, and have to bind with an explicit type.

In reply to Re^2: DBD::mysql and binding placeholders by htoug
in thread DBD::mysql and binding placeholders by dragonchild

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