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Commit 9b98d3df authored by Nick Craver's avatar Nick Craver
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Documentation: GridReader

parent d52067c8
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Showing with 148 additions and 94 deletions
Dapper/SqlMapper.GridReader.Async.cs
View file @ 9b98d3df
......@@ -24,50 +24,39 @@ internal GridReader(IDbCommand command, IDataReader reader, Identity identity, D
/// Read the next grid of results, returned as a dynamic object
/// </summary>
/// <remarks>Note: each row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public Task<IEnumerable<dynamic>> ReadAsync(bool buffered = true)
{
return ReadAsyncImpl<dynamic>(typeof(DapperRow), buffered);
}
/// <param name="buffered">Whether to buffer the results.</param>
public Task<IEnumerable<dynamic>> ReadAsync(bool buffered = true) => ReadAsyncImpl<dynamic>(typeof(DapperRow), buffered);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public Task<dynamic> ReadFirstAsync()
{
return ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.First);
}
public Task<dynamic> ReadFirstAsync() => ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.First);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public Task<dynamic> ReadFirstOrDefaultAsync()
{
return ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.FirstOrDefault);
}
public Task<dynamic> ReadFirstOrDefaultAsync() => ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.FirstOrDefault);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public Task<dynamic> ReadSingleAsync()
{
return ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.Single);
}
public Task<dynamic> ReadSingleAsync() => ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.Single);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public Task<dynamic> ReadSingleOrDefaultAsync()
{
return ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.SingleOrDefault);
}
public Task<dynamic> ReadSingleOrDefaultAsync() => ReadRowAsyncImpl<dynamic>(typeof(DapperRow), Row.SingleOrDefault);
/// <summary>
/// Read the next grid of results
/// </summary>
/// <param name="type">The type to read.</param>
/// <param name="buffered">Whether to buffer the results.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public Task<IEnumerable<object>> ReadAsync(Type type, bool buffered = true)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -77,6 +66,8 @@ public Task<IEnumerable<object>> ReadAsync(Type type, bool buffered = true)
/// <summary>
/// Read an individual row of the next grid of results
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public Task<object> ReadFirstAsync(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -84,8 +75,10 @@ public Task<object> ReadFirstAsync(Type type)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public Task<object> ReadFirstOrDefaultAsync(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -93,8 +86,10 @@ public Task<object> ReadFirstOrDefaultAsync(Type type)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public Task<object> ReadSingleAsync(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -102,8 +97,10 @@ public Task<object> ReadSingleAsync(Type type)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public Task<object> ReadSingleOrDefaultAsync(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -111,44 +108,35 @@ public Task<object> ReadSingleOrDefaultAsync(Type type)
}
/// <summary>
/// Read the next grid of results
/// Read the next grid of results.
/// </summary>
public Task<IEnumerable<T>> ReadAsync<T>(bool buffered = true)
{
return ReadAsyncImpl<T>(typeof(T), buffered);
}
/// <typeparam name="T">The type to read.</typeparam>
/// <param name="buffered">Whether the results should be buffered in memory.</param>
public Task<IEnumerable<T>> ReadAsync<T>(bool buffered = true) => ReadAsyncImpl<T>(typeof(T), buffered);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public Task<T> ReadFirstAsync<T>()
{
return ReadRowAsyncImpl<T>(typeof(T), Row.First);
}
/// <typeparam name="T">The type to read.</typeparam>
public Task<T> ReadFirstAsync<T>() => ReadRowAsyncImpl<T>(typeof(T), Row.First);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public Task<T> ReadFirstOrDefaultAsync<T>()
{
return ReadRowAsyncImpl<T>(typeof(T), Row.FirstOrDefault);
}
/// <typeparam name="T">The type to read.</typeparam>
public Task<T> ReadFirstOrDefaultAsync<T>() => ReadRowAsyncImpl<T>(typeof(T), Row.FirstOrDefault);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public Task<T> ReadSingleAsync<T>()
{
return ReadRowAsyncImpl<T>(typeof(T), Row.Single);
}
/// <typeparam name="T">The type to read.</typeparam>
public Task<T> ReadSingleAsync<T>() => ReadRowAsyncImpl<T>(typeof(T), Row.Single);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public Task<T> ReadSingleOrDefaultAsync<T>()
{
return ReadRowAsyncImpl<T>(typeof(T), Row.SingleOrDefault);
}
/// <typeparam name="T">The type to read.</typeparam>
public Task<T> ReadSingleOrDefaultAsync<T>() => ReadRowAsyncImpl<T>(typeof(T), Row.SingleOrDefault);
private async Task NextResultAsync()
{
......@@ -186,11 +174,11 @@ private Task<IEnumerable<T>> ReadAsyncImpl<T>(Type type, bool buffered)
IsConsumed = true;
if (buffered && reader is DbDataReader)
{
return ReadBufferedAsync<T>(gridIndex, deserializer.Func, typedIdentity);
return ReadBufferedAsync<T>(gridIndex, deserializer.Func);
}
else
{
var result = ReadDeferred<T>(gridIndex, deserializer.Func, typedIdentity, type);
var result = ReadDeferred<T>(gridIndex, deserializer.Func, type);
if (buffered) result = result.ToList(); // for the "not a DbDataReader" scenario
return Task.FromResult(result);
}
......@@ -201,7 +189,7 @@ private Task<T> ReadRowAsyncImpl<T>(Type type, Row row)
if (reader is DbDataReader dbReader) return ReadRowAsyncImplViaDbReader<T>(dbReader, type, row);
// no async API available; use non-async and fake it
return Task.FromResult<T>(ReadRow<T>(type, row));
return Task.FromResult(ReadRow<T>(type, row));
}
private async Task<T> ReadRowAsyncImplViaDbReader<T>(DbDataReader reader, Type type, Row row)
......@@ -235,7 +223,7 @@ private async Task<T> ReadRowAsyncImplViaDbReader<T>(DbDataReader reader, Type t
return result;
}
private async Task<IEnumerable<T>> ReadBufferedAsync<T>(int index, Func<IDataReader, object> deserializer, Identity typedIdentity)
private async Task<IEnumerable<T>> ReadBufferedAsync<T>(int index, Func<IDataReader, object> deserializer)
{
try
{
......
Dapper/SqlMapper.GridReader.cs
View file @ 9b98d3df
......@@ -26,73 +26,73 @@ internal GridReader(IDbCommand command, IDataReader reader, Identity identity, I
}
/// <summary>
/// Read the next grid of results, returned as a dynamic object
/// Read the next grid of results, returned as a dynamic object.
/// </summary>
/// <param name="buffered">Whether the results should be buffered in memory.</param>
/// <remarks>Note: each row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public IEnumerable<dynamic> Read(bool buffered = true) =>
ReadImpl<dynamic>(typeof(DapperRow), buffered);
public IEnumerable<dynamic> Read(bool buffered = true) => ReadImpl<dynamic>(typeof(DapperRow), buffered);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// Read an individual row of the next grid of results, returned as a dynamic object.
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public dynamic ReadFirst() =>
ReadRow<dynamic>(typeof(DapperRow), Row.First);
public dynamic ReadFirst() => ReadRow<dynamic>(typeof(DapperRow), Row.First);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// Read an individual row of the next grid of results, returned as a dynamic object.
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public dynamic ReadFirstOrDefault() =>
ReadRow<dynamic>(typeof(DapperRow), Row.FirstOrDefault);
public dynamic ReadFirstOrDefault() => ReadRow<dynamic>(typeof(DapperRow), Row.FirstOrDefault);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// Read an individual row of the next grid of results, returned as a dynamic object.
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public dynamic ReadSingle() =>
ReadRow<dynamic>(typeof(DapperRow), Row.Single);
public dynamic ReadSingle() => ReadRow<dynamic>(typeof(DapperRow), Row.Single);
/// <summary>
/// Read an individual row of the next grid of results, returned as a dynamic object
/// Read an individual row of the next grid of results, returned as a dynamic object.
/// </summary>
/// <remarks>Note: the row can be accessed via "dynamic", or by casting to an IDictionary&lt;string,object&gt;</remarks>
public dynamic ReadSingleOrDefault() =>
ReadRow<dynamic>(typeof(DapperRow), Row.SingleOrDefault);
public dynamic ReadSingleOrDefault() => ReadRow<dynamic>(typeof(DapperRow), Row.SingleOrDefault);
/// <summary>
/// Read the next grid of results
/// Read the next grid of results.
/// </summary>
public IEnumerable<T> Read<T>(bool buffered = true) =>
ReadImpl<T>(typeof(T), buffered);
/// <typeparam name="T">The type to read.</typeparam>
/// <param name="buffered">Whether the results should be buffered in memory.</param>
public IEnumerable<T> Read<T>(bool buffered = true) => ReadImpl<T>(typeof(T), buffered);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public T ReadFirst<T>() =>
ReadRow<T>(typeof(T), Row.First);
/// <typeparam name="T">The type to read.</typeparam>
public T ReadFirst<T>() => ReadRow<T>(typeof(T), Row.First);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public T ReadFirstOrDefault<T>() =>
ReadRow<T>(typeof(T), Row.FirstOrDefault);
/// <typeparam name="T">The type to read.</typeparam>
public T ReadFirstOrDefault<T>() => ReadRow<T>(typeof(T), Row.FirstOrDefault);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public T ReadSingle<T>() =>
ReadRow<T>(typeof(T), Row.Single);
/// <typeparam name="T">The type to read.</typeparam>
public T ReadSingle<T>() => ReadRow<T>(typeof(T), Row.Single);
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
public T ReadSingleOrDefault<T>() =>
ReadRow<T>(typeof(T), Row.SingleOrDefault);
/// <typeparam name="T">The type to read.</typeparam>
public T ReadSingleOrDefault<T>() => ReadRow<T>(typeof(T), Row.SingleOrDefault);
/// <summary>
/// Read the next grid of results
/// Read the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <param name="buffered">Whether to buffer the results.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public IEnumerable<object> Read(Type type, bool buffered = true)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -100,8 +100,10 @@ public IEnumerable<object> Read(Type type, bool buffered = true)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public object ReadFirst(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -109,8 +111,10 @@ public object ReadFirst(Type type)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public object ReadFirstOrDefault(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -118,8 +122,10 @@ public object ReadFirstOrDefault(Type type)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public object ReadSingle(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -127,8 +133,10 @@ public object ReadSingle(Type type)
}
/// <summary>
/// Read an individual row of the next grid of results
/// Read an individual row of the next grid of results.
/// </summary>
/// <param name="type">The type to read.</param>
/// <exception cref="ArgumentNullException"><paramref name="type"/> is <c>null</c>.</exception>
public object ReadSingleOrDefault(Type type)
{
if (type == null) throw new ArgumentNullException(nameof(type));
......@@ -150,7 +158,7 @@ private IEnumerable<T> ReadImpl<T>(Type type, bool buffered)
cache.Deserializer = deserializer;
}
IsConsumed = true;
var result = ReadDeferred<T>(gridIndex, deserializer.Func, typedIdentity, type);
var result = ReadDeferred<T>(gridIndex, deserializer.Func, type);
return buffered ? result.ToList() : result;
}
......@@ -174,10 +182,12 @@ private T ReadRow<T>(Type type, Row row)
cache.Deserializer = deserializer;
}
object val = deserializer.Func(reader);
if(val == null || val is T)
if (val == null || val is T)
{
result = (T)val;
} else {
}
else
{
var convertToType = Nullable.GetUnderlyingType(type) ?? type;
result = (T)Convert.ChangeType(val, convertToType, CultureInfo.InvariantCulture);
}
......@@ -236,8 +246,14 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
}
/// <summary>
/// Read multiple objects from a single record set on the grid
/// Read multiple objects from a single record set on the grid.
/// </summary>
/// <typeparam name="TFirst">The first type in the record set.</typeparam>
/// <typeparam name="TSecond">The second type in the record set.</typeparam>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="func">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TFirst, TSecond, TReturn>(Func<TFirst, TSecond, TReturn> func, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TFirst, TSecond, DontMap, DontMap, DontMap, DontMap, DontMap, TReturn>(func, splitOn);
......@@ -245,8 +261,15 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
}
/// <summary>
/// Read multiple objects from a single record set on the grid
/// Read multiple objects from a single record set on the grid.
/// </summary>
/// <typeparam name="TFirst">The first type in the record set.</typeparam>
/// <typeparam name="TSecond">The second type in the record set.</typeparam>
/// <typeparam name="TThird">The third type in the record set.</typeparam>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="func">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TFirst, TSecond, TThird, TReturn>(Func<TFirst, TSecond, TThird, TReturn> func, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TFirst, TSecond, TThird, DontMap, DontMap, DontMap, DontMap, TReturn>(func, splitOn);
......@@ -256,6 +279,14 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
/// <summary>
/// Read multiple objects from a single record set on the grid
/// </summary>
/// <typeparam name="TFirst">The first type in the record set.</typeparam>
/// <typeparam name="TSecond">The second type in the record set.</typeparam>
/// <typeparam name="TThird">The third type in the record set.</typeparam>
/// <typeparam name="TFourth">The fourth type in the record set.</typeparam>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="func">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TFirst, TSecond, TThird, TFourth, TReturn>(Func<TFirst, TSecond, TThird, TFourth, TReturn> func, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TFirst, TSecond, TThird, TFourth, DontMap, DontMap, DontMap, TReturn>(func, splitOn);
......@@ -265,6 +296,15 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
/// <summary>
/// Read multiple objects from a single record set on the grid
/// </summary>
/// <typeparam name="TFirst">The first type in the record set.</typeparam>
/// <typeparam name="TSecond">The second type in the record set.</typeparam>
/// <typeparam name="TThird">The third type in the record set.</typeparam>
/// <typeparam name="TFourth">The fourth type in the record set.</typeparam>
/// <typeparam name="TFifth">The fifth type in the record set.</typeparam>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="func">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TFirst, TSecond, TThird, TFourth, TFifth, TReturn>(Func<TFirst, TSecond, TThird, TFourth, TFifth, TReturn> func, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TFirst, TSecond, TThird, TFourth, TFifth, DontMap, DontMap, TReturn>(func, splitOn);
......@@ -274,6 +314,16 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
/// <summary>
/// Read multiple objects from a single record set on the grid
/// </summary>
/// <typeparam name="TFirst">The first type in the record set.</typeparam>
/// <typeparam name="TSecond">The second type in the record set.</typeparam>
/// <typeparam name="TThird">The third type in the record set.</typeparam>
/// <typeparam name="TFourth">The fourth type in the record set.</typeparam>
/// <typeparam name="TFifth">The fifth type in the record set.</typeparam>
/// <typeparam name="TSixth">The sixth type in the record set.</typeparam>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="func">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TFirst, TSecond, TThird, TFourth, TFifth, TSixth, TReturn>(Func<TFirst, TSecond, TThird, TFourth, TFifth, TSixth, TReturn> func, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TFirst, TSecond, TThird, TFourth, TFifth, TSixth, DontMap, TReturn>(func, splitOn);
......@@ -283,6 +333,17 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
/// <summary>
/// Read multiple objects from a single record set on the grid
/// </summary>
/// <typeparam name="TFirst">The first type in the record set.</typeparam>
/// <typeparam name="TSecond">The second type in the record set.</typeparam>
/// <typeparam name="TThird">The third type in the record set.</typeparam>
/// <typeparam name="TFourth">The fourth type in the record set.</typeparam>
/// <typeparam name="TFifth">The fifth type in the record set.</typeparam>
/// <typeparam name="TSixth">The sixth type in the record set.</typeparam>
/// <typeparam name="TSeventh">The seventh type in the record set.</typeparam>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="func">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TFirst, TSecond, TThird, TFourth, TFifth, TSixth, TSeventh, TReturn>(Func<TFirst, TSecond, TThird, TFourth, TFifth, TSixth, TSeventh, TReturn> func, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TFirst, TSecond, TThird, TFourth, TFifth, TSixth, TSeventh, TReturn>(func, splitOn);
......@@ -292,13 +353,18 @@ private IEnumerable<TReturn> MultiReadInternal<TReturn>(Type[] types, Func<objec
/// <summary>
/// Read multiple objects from a single record set on the grid
/// </summary>
/// <typeparam name="TReturn">The type to return from the record set.</typeparam>
/// <param name="types">The types to read from the result set.</param>
/// <param name="map">The mapping function from the read types to the return type.</param>
/// <param name="splitOn">The field(s) we should split and read the second object from (defaults to "id")</param>
/// <param name="buffered">Whether to buffer results in memory.</param>
public IEnumerable<TReturn> Read<TReturn>(Type[] types, Func<object[], TReturn> map, string splitOn = "id", bool buffered = true)
{
var result = MultiReadInternal<TReturn>(types, map, splitOn);
var result = MultiReadInternal(types, map, splitOn);
return buffered ? result.ToList() : result;
}
private IEnumerable<T> ReadDeferred<T>(int index, Func<IDataReader, object> deserializer, Identity typedIdentity, Type effectiveType)
private IEnumerable<T> ReadDeferred<T>(int index, Func<IDataReader, object> deserializer, Type effectiveType)
{
try
{
......
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