private CompareResult CompareQuery(DbQueryData stdQuery, DbQueryData usrQuery)
{
if (stdQuery.FieldCount != usrQuery.FieldCount || stdQuery.Records.Count != usrQuery.Records.Count)
{
return(CompareResult.WrongAnswer);
}
int filedCount = stdQuery.FieldCount;
int recordCount = stdQuery.Records.Count;
for (int i = 0; i < filedCount; i++)
{
if (!CmpString(stdQuery.FieldNames[i], usrQuery.FieldNames[i]))
{
return(CompareResult.WrongAnswer);
}
}
for (int i = 0; i < recordCount; i++)
{
for (int j = 0; j < filedCount; j++)
{
if (stdQuery.Records[i][j] != usrQuery.Records[i][j])
{
return(CompareResult.WrongAnswer);
}
}
}
return(CompareResult.Accepted);
}
private void BuildStandardData(DbTestData testData, out string inputData, out DbData outputData,
out DbQueryData queryData)
{
inputData = testData.Input;
outputData = null;
queryData = null;
string stdOperCmd = testData.Operation;
string stdQueryCmd = testData.Query;
BaseDbOperator stdOperator = CreateJudgeEnv(inputData);
try
{
DbDataReader reader = stdOperator.ExecuteReader(stdOperCmd ?? stdQueryCmd);
if (stdOperCmd != null)
{
outputData = stdOperator.ReadDbData();
}
if (stdQueryCmd != null)
{
queryData = BaseDbOperator.ReadQueryData(reader);
}
}
catch (Exception ex)
{
throw new JudgeException("Build Db test data failed!" + ex);
}
finally
{
ClearJudgeEnv(stdOperator);
}
}
/// <summary>
/// 查询表的所有记录
/// </summary>
/// <param name="tableName">表名</param>
/// <returns>表数据</returns>
private DbQueryData GetTableData(string tableName)
{
string cmd = $"SELECT * FROM {tableName}";
DbDataReader reader = ExecuteReader(cmd);
DbQueryData queryData = ReadQueryData(reader, tableName);
return(queryData);
}
private CompareResult CompareAnswer(DbData stdOutput, DbQueryData stdQuery, DbData usrOutput,
DbQueryData usrQuery)
{
if (stdOutput != null && CompareDbData(stdOutput, usrOutput) == CompareResult.WrongAnswer)
{
return(CompareResult.WrongAnswer);
}
if (stdQuery != null && CompareQuery(stdQuery, usrQuery) == CompareResult.WrongAnswer)
{
return(CompareResult.WrongAnswer);
}
return(CompareResult.Accepted);
}
public override DbData ReadDbData()
{
string[] tablesName = GetAllTablesName();
DbQueryData[] data = new DbQueryData[tablesName.Length];
for (int i = 0; i < tablesName.Length; i++)
{
data[i] = GetTableData(tablesName[i]);
}
Array.Sort(data, (a, b) => string.Compare(a.Name, b.Name, StringComparison.Ordinal));
return(new DbData
{
TablesData = data
});
}
/// <summary>
/// 评测一组用例
/// </summary>
/// <param name="stdInput">标准输入</param>
/// <param name="stdOutput">标准输出</param>
/// <param name="stdQuery">标准查询</param>
/// <returns></returns>
public SingleJudgeResult Judge(string stdInput, DbData stdOutput, DbQueryData stdQuery)
{
Stopwatch sw = new Stopwatch();
DbDataReader reader = null;
DbQueryData usrQuery = null;
DbData usrOutput = null;
try
{
sw.Start();
reader = UserOperator.ExecuteReader(JudgeTask.SourceCode, JudgeTask.TimeLimit);
usrQuery = BaseDbOperator.ReadQueryData(reader);
usrOutput = UserOperator.ReadDbData();
}
catch (Exception ex)
{
return(new SingleJudgeResult
{
ResultCode = JudgeResultCode.RuntimeError,
JudgeDetail = ex.Message,
TimeCost = 0
});
}
finally
{
sw.Stop();
}
CompareResult result = CompareAnswer(stdOutput, stdQuery, usrOutput, usrQuery);
JudgeResultCode resultCode = (result == CompareResult.Accepted)
? JudgeResultCode.Accepted
: JudgeResultCode.WrongAnswer;
return(new SingleJudgeResult
{
ResultCode = resultCode,
TimeCost = (int)sw.ElapsedMilliseconds
});
}
