/// <summary>
/// 获取列名集合
/// </summary>
/// <param name="name">列名前缀</param>
/// <returns></returns>
internal static string[] GetColumnNames(string name)
{
string[] names;
HashString nameKey = name;
if (columnNames.TryGetValue(ref nameKey, out names))
{
return(names);
}
LeftArray <string> nameList = new LeftArray <string>(verifyFields.Length);
foreach (Field field in verifyFields)
{
if (field.IsSqlColumn)
{
ColumnGroup.Verifyer.GetColumnNames(field.FieldInfo.FieldType)(ref nameList, name + "_" + field.FieldInfo.Name);
}
else
{
nameList.Add(name + "_" + field.FieldInfo.Name);
}
}
columnNames.Set(ref nameKey, names = nameList.ToArray());
return(names);
}
/// <summary>
/// 根据连接类型获取连接信息
/// </summary>
/// <param name="type">连接类型</param>
/// <returns>连接信息</returns>
internal static Connection GetConnection(string type)
{
if (type != null)
{
Connection value;
HashString key = type;
if (!connections.TryGetValue(ref key, out value))
{
connections.Set(ref key, value = ConfigLoader.GetUnion(typeof(Connection), type).Connection ?? new Connection());
}
return(value);
}
return(null);
}
/// <summary>
/// 获取泛型类型元数据
/// </summary>
/// <param name="type1"></param>
/// <param name="type2"></param>
/// <returns></returns>
public static ParameterGenericType2 Get(Type type1, Type type2)
{
ParameterGenericType2 value;
AutoCSer.Metadata.GenericType2.TypeKey typeKey = new AutoCSer.Metadata.GenericType2.TypeKey {
Type1 = type1, Type2 = type2
};
if (!cache.TryGetValue(ref typeKey, out value))
{
value = new UnionType {
Value = createMethod.MakeGenericMethod(type1, type2).Invoke(null, null)
}.ParameterGenericType2;
cache.Set(ref typeKey, value);
}
return(value);
}
/// <summary>
/// 获取泛型类型元数据
/// </summary>
/// <param name="type1"></param>
/// <param name="type2"></param>
/// <returns></returns>
public static CollectionGenericType2 Get(Type type1, Type type2)
{
CollectionGenericType2 value;
GenericType2.TypeKey typeKey = new GenericType2.TypeKey {
Type1 = type1, Type2 = type2
};
if (!cache.TryGetValue(ref typeKey, out value))
{
value = new UnionType {
Value = createMethod.MakeGenericMethod(type1, type2).Invoke(null, null)
}.CollectionGenericType2;
cache.Set(ref typeKey, value);
}
return(value);
}
/// <summary>
/// 获取列名集合
/// </summary>
/// <param name="name">列名前缀</param>
/// <returns></returns>
public unsafe static string GetColumnNames(string name)
{
if (custom != null)
{
return(custom.GetColumnNames(name));
}
if (columnNames != null)
{
string names;
HashString nameKey = name;
if (columnNames.TryGetValue(ref nameKey, out names))
{
return(names);
}
int isNext = 0;
byte *buffer = UnmanagedPool.Default.Get();
try
{
using (CharStream sqlStream = new CharStream((char *)buffer, UnmanagedPool.DefaultSize >> 1))
{
foreach (Field field in Fields)
{
if (field.IsSqlColumn)
{
if ((names = ColumnGroup.Inserter.GetColumnNames(field.FieldInfo.FieldType)(name + "_" + field.FieldInfo.Name)) != null)
{
if (isNext == 0)
{
isNext = 1;
}
else
{
sqlStream.Write(',');
}
sqlStream.Write(names);
}
}
else
{
if (isNext == 0)
{
isNext = 1;
}
else
{
sqlStream.Write(',');
}
sqlStream.PrepLength(name.Length + field.FieldInfo.Name.Length + 1);
sqlStream.SimpleWriteNotNull(name);
sqlStream.Write('_');
sqlStream.SimpleWriteNotNull(field.FieldInfo.Name);
}
}
names = sqlStream.Length == 0 ? null : sqlStream.ToString();
columnNames.Set(ref nameKey, names);
}
}
finally { UnmanagedPool.Default.Push(buffer); }
return(names);
}
return(null);
}
