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.time.MySQLTime;
  
  import java.util.Calendar;
  import java.util.List;
  
  
  public class ItemFuncFromUnixtime extends ItemDatetimeFunc {
  
      public ItemFuncFromUnixtime(List<Item> args, int charsetIndex) {
          super(args, charsetIndex);
      }
  
      @Override
      public final String funcName() {
          return "from_unixtime";
      }
  
      @Override
      public boolean getDate(MySQLTime ltime, long fuzzyDate) {
          long milseconds = args.get(0).valInt().longValue() * 1000;
          if (nullValue = args.get(0).isNullValue())
              return true;
          java.util.Calendar cal = Calendar.getInstance();
          cal.setTimeInMillis(milseconds);
          ltime.setCal(cal);
          return false;
      }
  
      @Override
      public void fixLengthAndDec() {
  
      }
  
      @Override
      public ItemFunc nativeConstruct(List<Item> realArgs) {
          return new ItemFuncFromUnixtime(realArgs, charsetIndex);
      }
  }
  