content: /*
   * Copyright (C) 2016-2023 ActionTech.
   * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
   */
  
  package com.actiontech.dble.plan.common.item.function.sumfunc;
  
  import com.actiontech.dble.plan.common.field.Field;
  import com.actiontech.dble.plan.common.item.Item;
  import com.actiontech.dble.plan.common.time.MySQLTime;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.List;
  
  
  public abstract class ItemSumNum extends ItemSum {
  
      public ItemSumNum(List<Item> args, boolean isPushDown, List<Field> fields, int charsetIndex) {
          super(args, isPushDown, fields, charsetIndex);
      }
  
      @Override
      public boolean fixFields() {
          decimals = 0;
          maybeNull = false;
          for (int i = 0; i < getArgCount(); i++) {
              if (!args.get(i).isFixed() && args.get(i).fixFields())
                  return true;
              decimals = Math.max(decimals, args.get(i).getDecimals());
              maybeNull |= args.get(i).isMaybeNull();
          }
          maxLength = floatLength(decimals);
          nullValue = true;
          fixLengthAndDec();
          fixed = true;
          return false;
      }
  
      @Override
      public BigInteger valInt() {
          return valReal().toBigInteger();
      }
  
      @Override
      public String valStr() {
          return valStringFromReal();
      }
  
      @Override
      public BigDecimal valDecimal() {
          return valDecimalFromReal();
      }
  
      @Override
      public boolean getDate(MySQLTime ltime, long fuzzydate) {
          return getDateFromNumeric(ltime, fuzzydate);
      }
  
      @Override
      public boolean getTime(MySQLTime ltime) {
          return getTimeFromNumeric(ltime);
      }
  
  }
  