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Dapper

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提交 7535cb7d 编写于 作者: S Sam Saffron
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change it so dapper is db independant

上级 b06e62f3
隐藏空白更改
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Showing with 69 addition and 45 deletion
Program.cs
浏览文件 @ 7535cb7d
......@@ -51,12 +51,12 @@ static void RunPerformanceTests()
static void Main(string[] args)
{
//#if DEBUG
// RunTests();
//#else
#if DEBUG
RunTests();
#else
EnsureDBSetup();
RunPerformanceTests();
//#endif
#endif
Console.ReadKey();
}
......
SqlMapper.cs
浏览文件 @ 7535cb7d
......@@ -15,40 +15,64 @@ namespace SqlMapper
{
public static class SqlMapper
{
static ConcurrentDictionary<Identity, object> cachedSerializers = new ConcurrentDictionary<Identity, object>();
static ConcurrentDictionary<Type, Func<object, List<ParamInfo>>> cachedParamReaders = new ConcurrentDictionary<Type, Func<object, List<ParamInfo>>>();
static Dictionary<Type, DbType> typeMap;
static SqlMapper()
{
typeMap = new Dictionary<Type, SqlDbType>();
typeMap[typeof(int)] = SqlDbType.Int;
typeMap[typeof(int?)] = SqlDbType.Int;
typeMap[typeof(string)] = SqlDbType.NVarChar;
// weird ... I know see: http://msdn.microsoft.com/en-us/library/ms131092.aspx
typeMap[typeof(double)] = SqlDbType.Float;
typeMap[typeof(double?)] = SqlDbType.Float;
typeMap[typeof(bool)] = SqlDbType.Bit;
typeMap[typeof(bool?)] = SqlDbType.Bit;
typeMap[typeof(Guid)] = SqlDbType.UniqueIdentifier;
typeMap[typeof(Guid?)] = SqlDbType.UniqueIdentifier;
typeMap[typeof(DateTime)] = SqlDbType.DateTime;
typeMap[typeof(DateTime?)] = SqlDbType.DateTime;
typeMap = new Dictionary<Type, DbType>();
typeMap[typeof(byte)] = DbType.Byte;
typeMap[typeof(sbyte)] = DbType.SByte;
typeMap[typeof(short)] = DbType.Int16;
typeMap[typeof(ushort)] = DbType.UInt16;
typeMap[typeof(int)] = DbType.Int32;
typeMap[typeof(uint)] = DbType.UInt32;
typeMap[typeof(long)] = DbType.Int64;
typeMap[typeof(ulong)] = DbType.UInt64;
typeMap[typeof(float)] = DbType.Single;
typeMap[typeof(double)] = DbType.Double;
typeMap[typeof(decimal)] = DbType.Decimal;
typeMap[typeof(bool)] = DbType.Boolean;
typeMap[typeof(string)] = DbType.String;
typeMap[typeof(char)] = DbType.StringFixedLength;
typeMap[typeof(Guid)] = DbType.Guid;
typeMap[typeof(DateTime)] = DbType.DateTime;
typeMap[typeof(DateTimeOffset)] = DbType.DateTimeOffset;
typeMap[typeof(byte[])] = DbType.Binary;
typeMap[typeof(byte?)] = DbType.Byte;
typeMap[typeof(sbyte?)] = DbType.SByte;
typeMap[typeof(short?)] = DbType.Int16;
typeMap[typeof(ushort?)] = DbType.UInt16;
typeMap[typeof(int?)] = DbType.Int32;
typeMap[typeof(uint?)] = DbType.UInt32;
typeMap[typeof(long?)] = DbType.Int64;
typeMap[typeof(ulong?)] = DbType.UInt64;
typeMap[typeof(float?)] = DbType.Single;
typeMap[typeof(double?)] = DbType.Double;
typeMap[typeof(decimal?)] = DbType.Decimal;
typeMap[typeof(bool?)] = DbType.Boolean;
typeMap[typeof(char?)] = DbType.StringFixedLength;
typeMap[typeof(Guid?)] = DbType.Guid;
typeMap[typeof(DateTime?)] = DbType.DateTime;
typeMap[typeof(DateTimeOffset?)] = DbType.DateTimeOffset;
}
private static SqlDbType LookupDbType(Type type)
private static DbType LookupDbType(Type type)
{
SqlDbType dbType;
DbType dbType;
if (typeMap.TryGetValue(type, out dbType))
{
return dbType;
}
else
{
if (typeof(IEnumerable<int>).IsAssignableFrom(type) || typeof(IEnumerable<string>).IsAssignableFrom(type))
if (typeof(IEnumerable).IsAssignableFrom(type))
{
return SqlDbType.Structured;
// use xml to denote its a list, hacky but will work on any DB
return DbType.Xml;
}
}
......@@ -62,12 +86,12 @@ private ParamInfo()
{
}
public static ParamInfo Create(string name, SqlDbType type, object val)
public static ParamInfo Create(string name, DbType type, object val)
{
return new ParamInfo { Name = name, Type = type, Val = val};
}
public SqlDbType Type { get; private set; }
public DbType Type { get; private set; }
public string Name { get; private set; }
public object Val { get; private set; }
}
......@@ -104,10 +128,7 @@ public bool Equals(Identity other)
}
}
static ConcurrentDictionary<Identity, object> cachedSerializers = new ConcurrentDictionary<Identity, object>();
static ConcurrentDictionary<Type, Func<object, List<ParamInfo>>> cachedParamReaders = new ConcurrentDictionary<Type, Func<object, List<ParamInfo>>>();
static Dictionary<Type, SqlDbType> typeMap;
/// <summary>
/// Execute parameterized SQL
......@@ -118,7 +139,6 @@ public static int ExecuteMapperCommand(this IDbConnection cnn, string sql, objec
return ExecuteCommand(cnn, transaction, sql, GetParamInfo(param));
}
static class DynamicStub
{
public static Type Type = typeof(DynamicStub);
......@@ -242,7 +262,7 @@ private static object GetDynamicDeserializer(IDataReader reader)
foreach (var prop in type.GetProperties().OrderBy(p => p.Name))
{
// we want to call list.Add(ParamInfo.Create(string name, SqlDbType type, object val))
// we want to call list.Add(ParamInfo.Create(string name, DbType type, object val))
il.Emit(OpCodes.Dup); // stack is now [list] [list]
......@@ -263,7 +283,7 @@ private static object GetDynamicDeserializer(IDataReader reader)
return (Func<object, List<ParamInfo>>)dm.CreateDelegate(typeof(Func<object, List<ParamInfo>>));
}
private static IDbCommand SetupCommand(IDbConnection cnn, SqlTransaction tranaction, string sql, List<ParamInfo> paramInfo)
private static IDbCommand SetupCommand(IDbConnection cnn, IDbTransaction tranaction, string sql, List<ParamInfo> paramInfo)
{
var cmd = cnn.CreateCommand();
......@@ -273,12 +293,12 @@ private static IDbCommand SetupCommand(IDbConnection cnn, SqlTransaction tranact
{
foreach (var info in paramInfo)
{
var param = new SqlParameter("@" + info.Name, info.Type);
var param = cmd.CreateParameter();
param.ParameterName = "@" + info.Name;
param.DbType = info.Type;
param.Value = info.Val ?? DBNull.Value;
param.Direction = ParameterDirection.Input;
if (info.Type == SqlDbType.NVarChar)
if (info.Type == DbType.String)
{
param.Size = 4000;
if (info.Val != null && ((string)info.Val).Length > 4000)
......@@ -287,7 +307,7 @@ private static IDbCommand SetupCommand(IDbConnection cnn, SqlTransaction tranact
}
}
if (info.Type == SqlDbType.Structured)
if (info.Type == DbType.Xml)
{
// initially we tried TVP, however it performs quite poorly.
......@@ -302,16 +322,18 @@ private static IDbCommand SetupCommand(IDbConnection cnn, SqlTransaction tranact
foreach (var item in list)
{
count++;
var sqlParam = new SqlParameter("@" + info.Name + count, item ?? DBNull.Value);
var listParam = cmd.CreateParameter();
listParam.ParameterName = "@" + info.Name + count;
listParam.Value = item ?? DBNull.Value;
if (isString)
{
sqlParam.Size = 4000;
listParam.Size = 4000;
if (item != null && ((string)item).Length > 4000)
{
sqlParam.Size = -1;
listParam.Size = -1;
}
}
cmd.Parameters.Add(sqlParam);
cmd.Parameters.Add(listParam);
}
cmd.CommandText = cmd.CommandText.Replace("@" + info.Name,
......@@ -334,7 +356,7 @@ private static IDbCommand SetupCommand(IDbConnection cnn, SqlTransaction tranact
}
private static int ExecuteCommand(IDbConnection cnn, SqlTransaction tranaction, string sql, List<ParamInfo> paramInfo)
private static int ExecuteCommand(IDbConnection cnn, IDbTransaction tranaction, string sql, List<ParamInfo> paramInfo)
{
using (var cmd = SetupCommand(cnn, tranaction, sql, paramInfo))
{
......@@ -342,7 +364,7 @@ private static int ExecuteCommand(IDbConnection cnn, SqlTransaction tranaction,
}
}
private static IDataReader GetReader(IDbConnection cnn, SqlTransaction tranaction, string sql, List<ParamInfo> paramInfo)
private static IDataReader GetReader(IDbConnection cnn, IDbTransaction tranaction, string sql, List<ParamInfo> paramInfo)
{
using (var cmd = SetupCommand(cnn, tranaction, sql, paramInfo))
{
......
Tests.cs
浏览文件 @ 7535cb7d
......@@ -146,5 +146,7 @@ public void TestMassiveStrings()
.IsEqualTo(str);
}
}
}
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