public void unparse(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) {
final SqlWriter.Frame frame = writer.startFunCall(getName());
call.operand(0).unparse(writer, leftPrec, rightPrec);
writer.sep("FROM");
call.operand(1).unparse(writer, leftPrec, rightPrec);
writer.endFunCall(frame);
}
public void unparse(
SqlWriter writer, SqlOperator operator, SqlCall call, int leftPrec, int rightPrec) {
assert call.operandCount() == 1;
call.operand(0).unparse(writer, operator.getLeftPrec(), operator.getRightPrec());
writer.keyword(operator.getName());
}