/// <summary>
/// Return a typed list of objects, reader is closed after the call
/// </summary>
private static IEnumerable <T> QueryInternal <T>(IDbConnection cnn, string typeName, string sql, object param, int totalRecord, IDbTransaction transaction, int?commandTimeout, CommandType?commandType)
{
var identity = new Identity(sql, commandType, cnn, typeof(T), param == null ? null : param.GetType(), null);
var info = CacheMapper.GetCacheInfo(identity);
using (var cmd = SetupCommand(cnn, typeName, transaction, sql, info.ParamReader, param, commandTimeout, commandType))
{
#region ExecuteReader
var time = DateTime.Now;
string providerName = string.Empty;
IDMSDbProfiler dbProfiler = GetProfiler(out providerName);
dbProfiler.ExecuteStart(providerName, typeName, cmd, DMSQueryType.ExecuteReader);
using (var reader = cmd.ExecuteReader())
{
dbProfiler.ExecuteFinish(providerName, typeName, cmd, DMSQueryType.ExecuteReader, (DateTime.Now - time).TotalMilliseconds, reader);
#region cacheDeserializer
Func <Func <IDataReader, object> > cacheDeserializer = () =>
{
info.Deserializer = MapperGenerator.GetDeserializer(typeof(T), reader, 0, -1, false);
CacheMapper.SetQueryCache(identity, info);
return(info.Deserializer);
};
#endregion
if (info.Deserializer == null)
{
cacheDeserializer();
}
var deserializer = info.Deserializer;
int readRecord = totalRecord == 0 ? int.MaxValue : totalRecord;
while (reader.Read() && readRecord > 0)
{
object next;
try
{
next = deserializer(reader);
}
catch (DataException exp)
{
// give it another shot, in case the underlying schema changed
deserializer = cacheDeserializer();
next = deserializer(reader);
dbProfiler.OnError(providerName, typeName, cmd, DMSQueryType.ExecuteReader, (DateTime.Now - time).TotalMilliseconds, exp);
}
readRecord--;
yield return((T)next);
}
dbProfiler.ReaderFinish(providerName, typeName, reader, (DateTime.Now - time).TotalMilliseconds);
}
#endregion
}
}
private static object Execute(IDbConnection conn, string typeName, string sql, bool ExecuteScalar, dynamic param = null, IDbTransaction transaction = null, int?commandTimeout = 30, CommandType?commandType = null)
#endif
{
DMSFrameException.ThrowIfNull(conn, sql);
DateTime time = DateTime.Now;
string providerName = string.Empty;
IDMSDbProfiler dbProfiler = GetProfiler(out providerName);
try
{
#region Execute
IEnumerable multiExec = (object)param as IEnumerable;
Identity identity;
CacheInfo info = null;
if (multiExec != null && !(multiExec is string))
{
#region multiExec
bool isFirst = true;
int total = 0;
using (var cmd = SetupCommand(conn, typeName, transaction, sql, null, null, commandTimeout, commandType))
{
string masterSql = null;
foreach (var obj in multiExec)
{
if (isFirst)
{
masterSql = cmd.CommandText;
isFirst = false;
identity = new Identity(sql, cmd.CommandType, conn, null, obj.GetType(), null);
info = CacheMapper.GetCacheInfo(identity);
}
else
{
cmd.CommandText = masterSql; // because we do magic replaces on "in" etc
cmd.Parameters.Clear(); // current code is Add-tastic
}
info.ParamReader(cmd, obj);
time = DateTime.Now;
try
{
dbProfiler.ExecuteStart(providerName, typeName, cmd, DMSQueryType.ExecuteNonQuery);
total += cmd.ExecuteNonQuery();
dbProfiler.ExecuteFinish(providerName, typeName, cmd, DMSQueryType.ExecuteNonQuery, (DateTime.Now - time).TotalMilliseconds, null);
}
catch (Exception exp)
{
dbProfiler.OnError(providerName, typeName, cmd, DMSQueryType.ExecuteNonQuery, (DateTime.Now - time).TotalMilliseconds, exp);
}
}
}
#endregion
return(total);
}
// nice and simple
if ((object)param != null)
{
identity = new Identity(sql, commandType, conn, null, (object)param == null ? null : ((object)param).GetType(), null);
info = CacheMapper.GetCacheInfo(identity);
}
return(ExecuteCommand(conn, typeName, transaction, sql, ExecuteScalar, (object)param == null ? null : info.ParamReader, (object)param, commandTimeout, commandType));
#endregion
}
catch (Exception ex)
{
Log.Debug(ReflectionUtils.GetMethodBaseInfo(System.Reflection.MethodBase.GetCurrentMethod()), string.Format("msg:{0},sql:{1},param:{2}", ex.Message, sql, param), ex);
throw ex;
}
}
