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好吧……我难住了！我在 2013 年 2 月 13 日左右编写了以下代码，直到几天前它都运行良好：

/** 
 * Get a count of all resources in the selected Alliance
 * 
 * @param db    The EWTraker db
 * @param Sector    the Sector to be accessed
 * @param Alliance  the Alliance to be accessed */
public long[] getCountAllc(SQLiteDatabase db, String Sector, String Alliance){
    if (BuildConfig.DEBUG) {
        Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Sector: "+Sector);
        Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance: "+Alliance);
    }
    long[] mTblCountArray = new long[6];
    String[] s = new String[2];
    s[0] = Sector;
    s[1] = Alliance;
    try{
        mTblCountArray[0] = DatabaseUtils.queryNumEntries(db,"TPLYS","FSECTR=? AND FANAME=?",s);
        mTblCountArray[1] = DatabaseUtils.queryNumEntries(db,"TBASE","FSECTR=? AND FANAME=?",s);
        mTblCountArray[2] = DatabaseUtils.queryNumEntries(db,"TBLDG","FSECTR=? AND FANAME=?",s);
        mTblCountArray[3] = DatabaseUtils.queryNumEntries(db,"TTRPS","FSECTR=? AND FANAME=?",s);
        mTblCountArray[4] = DatabaseUtils.queryNumEntries(db,"TINVY","FSECTR=? AND FANAME=?",s);
        mTblCountArray[5] = DatabaseUtils.queryNumEntries(db,"TMSNS","FSECTR=? AND FANAME=?",s);
        if (BuildConfig.DEBUG) {
          Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance No. of Players: "+mTblCountArray[0]);
          Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance No. of Bases: "+mTblCountArray[1]);
          Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance No. of Buildings: "+mTblCountArray[2]);
          Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance No. of Troup Rows: "+mTblCountArray[3]);
          Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance No. of Items: "+mTblCountArray[4]);
          Log.i(Constants.TAG_DBHELPER, "getCountAllc(): Alliance No. of Missions: "+mTblCountArray[5]);
        }
    } catch (Exception e) {
        Log.e(Constants.TAG_DBHELPER, "getCountAllc(): Exception while getting record count:");
        Log.e(Constants.TAG_DBHELPER, "getCountAllc(): Cause: "+e.getCause());
        Log.e(Constants.TAG_DBHELPER, "getCountAllc(): Message: "+e.getMessage());
        e.printStackTrace();
    }
    return mTblCountArray;
}

我完全不知所措，并欢迎任何可以为我指明正确方向的提示。完成后，当我 100% 知道它们应该大于“0”时，数组中的所有数字都是“0”。查询的参数“Sector”和“Alliance”是有效的，并且存在于数据库的查询表中。

谢谢！

4

1 回答 1

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事实证明该功能确实有效；问题在于我输入的特定数据。

于 2013-05-14T02:01:18.250 回答