pentaho/pentaho-kettle — pull request #321 by prakapenka (2014-02-25 16:15:08+00:00)
Title: PDI-11363 - Database Lookup Step Performance Degraded in 5 vs 4.4.0.2

Since we have only one PreparedStatement for LKP step, we don't need to re-create rowMeta for every lookup assuming that this row meta will be same for multiple calls.
This will speed up step execution.