You may need to set the StringColumnLength connection parameter to a higher value. see ERROR: "Informatica ODBC 10170 String data right truncation on data from data source: String data is too big for the driver's data buffer" while running the session with PowerExchange for Cassandra for Cassandra Target in PowerCenter. It appears to be an ODBC driver issue not a DBI one imo

Jason L. Froebe

Tech Blog

In reply to Re: Strange DBI/DBD::ODBC behaviour (right truncation of data on ODBC call) by jfroebe
in thread Strange DBI/DBD::ODBC behaviour (right truncation of data on ODBC call) by jahero

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