public IEnumerable <Tuple <T, K> > ExecuteReader <K>(IBatch batch, List <ColumnRelevanceMapper> mapper) where K : IEntity, new()
{
List <Tuple <T, K> > entitybuffer = new List <Tuple <T, K> >(128);
using (var Connection = Create.CreateConnection())
{
var reader = Connection.ExecuteReader(batch.SqlBuilder, batch.DynamicParameters, commandTimeout: 3600);
while (reader.Read())
{
T t = new T();
Type t1 = typeof(T);
K k = new K();
Type k1 = typeof(K);
for (Int32 i = 0; i < reader.FieldCount; i++)
{
Object obj = reader.GetValue(i);
if (obj != null)
{
ColumnRelevanceMapper column = mapper[i];
if (column.TableName == t1)
{
PropertyValueExpression <T> .SetValue(t, column.ColumnName, obj);
}
else
{
PropertyValueExpression <K> .SetValue(k, column.ColumnName, obj);
}
}
}
Tuple <T, K> tuple = new Tuple <T, K>(t, k);
entitybuffer.Add(tuple);
}
}
return(entitybuffer);
}
/// <summary>
/// 根据主键查询数据
/// </summary>
/// <param name="pkValue"></param>
/// <returns></returns>
public T Get(Object pkValue)
{
Type t = typeof(T);
String name = EntityTableMapper.GetPkColumn(t);
Expression <Func <T, Boolean> > expression = PropertyValueExpression <T> .BuildExpression(name, pkValue);
return(_executeBatch.Query(_query.Select().Where(expression).End()));
}
