@ModuleOption("update columns with update")
	public void setUpdateColumns(String updateColumns) {
		this.updateColumns = updateColumns;
	}
Config options for gpfdist sink.

@author Janne Valkealahti
extensions/spring-xd-extension-gpfdist/src/main/java/org/springframework/xd/greenplum/config/GPFDistSinkOptionsMetadata.java