Populate Search Columns batch process

Code	`PopulateSearchColumns`
Categories	`APIRunnable`
Implementation	Batch process
Stoppable	Yes (multi-phase process)
Schedule	Not schedulable
Class	PopulateSearchColumnBatchProcess.java

The Populate Search Columns batch process populates denormalized searchColumn columns from their designated sourceColumn columns.

This process is only available from the maintenance_tools command or from a web service.