public RESULT Avg <RESULT, Entity>(string field, bool DISTINCT, IConnectinContext cc) where Entity : Mappings.DataObject
{
ObjectMapper om = ObjectMapper.GetOM(typeof(Entity));
object value = EntityBase.ExOnAggregation(cc, om.Table, "Avg", field, DISTINCT, this, null);
if (value == null || value == DBNull.Value)
{
return(default(RESULT));
}
return((RESULT)Convert.ChangeType(value, typeof(RESULT)));
}
public int Count <T>(string field, bool DISTINCT, IConnectinContext cc) where T : Mappings.DataObject
{
ObjectMapper om = ObjectMapper.GetOM(typeof(T));
object value = EntityBase.ExOnAggregation(cc, om.Table, "count", field, DISTINCT, this, null);
if (value == null || value == DBNull.Value)
{
return(0);
}
return((int)Convert.ChangeType(value, typeof(int)));
}