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.timefunc;
  
  import com.actiontech.dble.plan.common.item.Item;
  import com.actiontech.dble.plan.common.item.function.ItemFunc;
  import com.actiontech.dble.plan.common.item.function.primary.ItemIntFunc;
  import com.actiontech.dble.plan.common.time.MySQLTime;
  import com.actiontech.dble.plan.common.time.MyTime;
  
  import java.math.BigInteger;
  import java.util.List;
  
  public class ItemFuncQuarter extends ItemIntFunc {
  
      public ItemFuncQuarter(List<Item> args, int charsetIndex) {
          super(args, charsetIndex);
      }
  
      @Override
      public final String funcName() {
          return "quarter";
      }
  
      @Override
      public BigInteger valInt() {
          MySQLTime ltime = new MySQLTime();
          if (getArg0Date(ltime, MyTime.TIME_FUZZY_DATE))
              return BigInteger.ZERO;
          return BigInteger.valueOf((ltime.getMonth() + 2) / 3);
      }
  
      @Override
      public void fixLengthAndDec() {
          fixCharLength(1); /* 1..4 */
          maybeNull = true;
      }
  
      @Override
      public ItemFunc nativeConstruct(List<Item> realArgs) {
          return new ItemFuncQuarter(realArgs, charsetIndex);
      }
  }
  