/// <summary>
///
/// </summary>
/// <param name="reader"></param>
/// <param name="tableName"></param>
/// <param name="connection"></param>
/// <param name="transaction"></param>
/// <returns></returns>
internal static async Task <Func <DbDataReader, ExpandoObject> > GetAsync(DbDataReader reader,
string tableName,
IDbConnection connection,
IDbTransaction transaction)
{
var result = (Func <DbDataReader, ExpandoObject>)null;
var key = GetKey(reader, tableName, connection);
if (cache.TryGetValue(key, out result) == false)
{
result = await FunctionFactory.CompileDataReaderToExpandoObjectAsync(reader, tableName, connection, transaction);
cache.TryAdd(key, result);
}
return(result);
}