Hmm... the DBI docs do mention "LongReadLen" too.
"LongReadLen" (unsigned integer, inherited)
This attribute may be used to control the maximum length of long fields ("blob", "memo", etc.) which the driver will read from the database automatically when it fetches each row of data. The "LongReadLen" attribute only relates to fetching and reading long values; it is not involved in inserting or updating them.

In reply to Re: Re: Re: DBI/ODBC Truncating Long Fields by bart
in thread DBI/ODBC Truncating Long Fields by LostS

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