*
* @return the filter database condition, which can be used in "WHERE" clause.
*/
public String getDatabaseFilter() {
SqlExpression expr = this.getFilterSqlExpression();
return expr != null ? expr.toSqlString() : "";
}
public String getDatabaseFilterWith(String prefix, String suffix) {
StringBuffer whereCondition = new StringBuffer();
if (this.filterExpr != null) {