/// <summary>
/// Dumps all columns into an array for simple use cases.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="checker">The column checker.</param>
/// <returns>dynamic.</returns>
public IEnumerable Deserialize(DbDataReader reader, ColumnChecker checker)
{
var fieldCount = reader.FieldCount;
checker = checker ?? new ColumnChecker(fieldCount);
var needsFieldNames = fieldCount > checker.Count;
while (reader.Read())
{
object[] values;
if (needsFieldNames)
{
var obj = new List <object>();
for (var i = 0; i < fieldCount; i++)
{
checker.HasColumn(reader, i);
obj.Add(reader.GetValue(i));
}
values = obj.ToArray();
}
else
{
values = new object[fieldCount];
reader.GetValues(values);
}
yield return(new DynamicRow(checker, values));
}
}
/// <summary>
/// Deserializes into a KeyValuePair from a data reader.
/// </summary>
/// <param name="reader">The data reader.</param>
/// <param name="checker">The column object.</param>
/// <returns>IEnumerable<TResult>.</returns>
public IEnumerable Deserialize(DbDataReader reader, ColumnChecker checker)
{
var keyAlias = "Key";
IPropertyMapping keyMapping;
var valueAlias = "Value";
IPropertyMapping valueMapping;
if (_props.TryGetValue("Key", out keyMapping))
{
keyAlias = keyMapping.ActiveAlias;
}
if (_props.TryGetValue("Value", out valueMapping))
{
valueAlias = valueMapping.ActiveAlias;
}
var resultType = DeserializationType;
var genericTypeArguments = resultType.GetTypeInfo().GetGenericArguments();
checker = checker ?? new ColumnChecker(reader.FieldCount);
while (reader.Read())
{
yield return(Activator.CreateInstance(resultType,
Convert.ChangeType(reader.GetValue(checker.HasColumn(reader, keyAlias)), genericTypeArguments[0]),
Convert.ChangeType(reader.GetValue(checker.HasColumn(reader, valueAlias)), genericTypeArguments[1])));
}
}
