[EP-tech] Longtext field: maxlength

John Salter J.Salter at leeds.ac.uk
Tue Apr 26 10:15:24 BST 2016

Just discovered something that might be useful for others to know:
An EPrints longtext field has a default max character length of 65535 (quite a bit shorter than a database longtext field).

The wiki documentation for a longtext field doesn't mention this default limit.

As this is a default, it can be overridden in the repository config for a field:
        name => 'referencetext',
        type => 'longtext',
        input_rows => 15,
        maxlength => 120000, #MySQL longtext can theoretically handle 4G?

Hope that helps someone in the future - someone just uploaded a thesis with 90,000 bytes of reference text - which is how I discovered this!

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