class BeamSqlReinterpretExpression extends BeamSqlExpression {

  @Override public boolean accept() {
    return getOperands().size() == 1
        && outputType == SqlTypeName.BIGINT
        && SqlTypeName.DATETIME_TYPES.contains(opType(0));
  }

  public  BeamSqlReinterpretExpression(List<BeamSqlExpression> operands, SqlTypeName outputType);

}