GithubStar/Dapper
1
0
Fork 0
mirror of https://github.com/DapperLib/Dapper.git synced 2026-10-17 05:12:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

remove some of the dependency on SqlConnection and so on

Browse Source
This commit is contained in:
Sam Saffron
2011-04-04 13:09:32 +10:00
parent 4aef740a22
commit 19a5975a8a
1 changed files with 15 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
SqlMapper.cs
+15 -13
View File
@@ -108,13 +108,13 @@ namespace SqlMapper
static Dictionary<Type, SqlDbType> typeMap;
public static List<dynamic> ExecuteMapperQuery (this SqlConnection cnn, string sql, object param = null, SqlTransaction transaction = null)
public static List<dynamic> ExecuteMapperQuery (this IDbConnection cnn, string sql, object param = null, SqlTransaction transaction = null)
{
// TODO: get rid of casting hackery
return ExecuteMapperQuery<ExpandoObject>(cnn, sql, param, transaction).Select(s => s as dynamic).ToList();
}
public static List<T> ExecuteMapperQuery<T>(this SqlConnection cnn, string sql, object param = null, SqlTransaction transaction = null)
public static List<T> ExecuteMapperQuery<T>(this IDbConnection cnn, string sql, object param = null, SqlTransaction transaction = null)
{
var identity = new Identity(sql, typeof(T));
var rval = new List<T>();
@@ -154,7 +154,7 @@ namespace SqlMapper
cachedSerializers[identity] = oDeserializer;
}
Func<SqlDataReader, T> deserializer = (Func<SqlDataReader, T>)oDeserializer;
Func<IDataReader, T> deserializer = (Func<IDataReader, T>)oDeserializer;
while (reader.Read())
{
rval.Add(deserializer(reader));
@@ -166,7 +166,7 @@ namespace SqlMapper
return rval;
}
private static object GetDynamicDeserializer(SqlDataReader reader)
private static object GetDynamicDeserializer(IDataReader reader)
{
List<string> colNames = new List<string>();
for (int i = 0; i < reader.FieldCount; i++)
@@ -174,7 +174,7 @@ namespace SqlMapper
colNames.Add(reader.GetName(i));
}
Func<SqlDataReader, ExpandoObject> rval =
Func<IDataReader, ExpandoObject> rval =
r =>
{
IDictionary<string, object> row = new ExpandoObject();
@@ -228,7 +228,7 @@ namespace SqlMapper
}
private static SqlDataReader GetReader<T>(SqlConnection cnn, SqlTransaction tranaction, string sql, List<ParamInfo> paramInfo)
private static IDataReader GetReader<T>(IDbConnection cnn, SqlTransaction tranaction, string sql, List<ParamInfo> paramInfo)
{
using (var cmd = cnn.CreateCommand())
{
@@ -238,7 +238,9 @@ namespace SqlMapper
{
foreach (var info in paramInfo)
{
var param = cmd.Parameters.Add("@" + info.Name, info.Type);
var param = new SqlParameter("@" + info.Name, info.Type);
cmd.Parameters.Add(param);
param.Value = info.Val ?? DBNull.Value;
param.Direction = ParameterDirection.Input;
if (info.Type == SqlDbType.NVarChar)
@@ -293,16 +295,16 @@ namespace SqlMapper
}
private static object GetStructDeserializer<T>(SqlDataReader reader)
private static object GetStructDeserializer<T>(IDataReader reader)
{
Func<SqlDataReader, T> deserializer = null;
Func<IDataReader, T> deserializer = null;
deserializer = r => (T)r.GetValue(0);
return deserializer;
}
public static Func<SqlDataReader, T> GetClassDeserializer<T>(SqlDataReader reader)
public static Func<IDataReader, T> GetClassDeserializer<T>(IDataReader reader)
{
DynamicMethod dm = new DynamicMethod("Deserialize" + Guid.NewGuid().ToString(), typeof(T), new Type[] { typeof(SqlDataReader) }, true);
DynamicMethod dm = new DynamicMethod("Deserialize" + Guid.NewGuid().ToString(), typeof(T), new Type[] { typeof(IDataReader) }, true);
var il = dm.GetILGenerator();
@@ -324,7 +326,7 @@ namespace SqlMapper
).ToList();
var getItem = typeof(SqlDataReader).GetProperties(BindingFlags.Instance | BindingFlags.Public)
var getItem = typeof(IDataRecord).GetProperties(BindingFlags.Instance | BindingFlags.Public)
.Where(p => p.GetIndexParameters().Any() && p.GetIndexParameters()[0].ParameterType == typeof(int))
.Select(p => p.GetGetMethod()).First();
@@ -363,7 +365,7 @@ namespace SqlMapper
}
il.Emit(OpCodes.Ret); // stack is empty
return (Func<SqlDataReader, T>)dm.CreateDelegate(typeof(Func<SqlDataReader, T>));
return (Func<IDataReader, T>)dm.CreateDelegate(typeof(Func<IDataReader, T>));
}
private static void EmitInt32(ILGenerator il, int value)