modifyRow.put(targetForeignKey, null);
Expression expression = builder.getField(targetForeignKey).equal(builder.getParameter(targetForeignKey));
whereClause = expression.and(whereClause);
}
SQLUpdateStatement statement = new SQLUpdateStatement();
statement.setTable(getReferenceDescriptor().getDefaultTable());
statement.setWhereClause(whereClause);
statement.setModifyRow(modifyRow);
removeAllTargetsQuery.setSQLStatement(statement);
}