public async Task <IReadOnlyList <T> > HandleAsync(DbDataReader reader, IMartenSession session, CancellationToken token)
{
var list = new List <T>();
if (await reader.ReadAsync(token).ConfigureAwait(false))
{
_statistics.TotalResults = await reader.GetFieldValueAsync <int>(_countIndex, token).ConfigureAwait(false);
var item = await _selector.ResolveAsync(reader, token).ConfigureAwait(false);
list.Add(item);
}
else
{
// no data
_statistics.TotalResults = 0;
return(list);
}
// Get the rest of the data
while (await reader.ReadAsync(token).ConfigureAwait(false))
{
var item = await _selector.ResolveAsync(reader, token).ConfigureAwait(false);
list.Add(item);
}
return(list);
}
public async Task <T> HandleAsync(DbDataReader reader, IIdentityMap map, QueryStatistics stats, CancellationToken token)
{
var hasValue = await reader.ReadAsync(token).ConfigureAwait(false);
return(hasValue
? await _selector.ResolveAsync(reader, map, stats, token).ConfigureAwait(false)
: default(T));
}
public async Task <TSearched> ResolveAsync(DbDataReader reader, IIdentityMap map, QueryStatistics stats, CancellationToken token)
{
var included = await storage.ResolveAsync(StartingIndex, reader, map, token).ConfigureAwait(false);
_callback(included);
return(await _inner.ResolveAsync(reader, map, stats, token).ConfigureAwait(false));
}
public async Task ReadAsync(DbDataReader reader, CancellationToken token)
{
while (await reader.ReadAsync(token).ConfigureAwait(false))
{
var item = await _selector.ResolveAsync(reader, token).ConfigureAwait(false);
_callback(item);
}
}
public static async Task <IReadOnlyList <T> > ReadAsync <T>(this ISelector <T> selector, DbDataReader reader, IIdentityMap map, QueryStatistics stats, CancellationToken token)
{
var list = new List <T>();
while (await reader.ReadAsync(token).ConfigureAwait(false))
{
list.Add(await selector.ResolveAsync(reader, map, stats, token).ConfigureAwait(false));
}
return(list);
}
internal static async Task <T> LoadOneAsync <T>(this IManagedConnection connection, NpgsqlCommand command, ISelector <T> selector, CancellationToken token)
{
using (var reader = await connection.ExecuteReaderAsync(command, token))
{
if (!(await reader.ReadAsync(token)))
{
return(default(T));
}
return(await selector.ResolveAsync(reader, token));
}
}
public async Task <IReadOnlyList <T> > HandleAsync(DbDataReader reader, IMartenSession session, QueryStatistics stats, CancellationToken token)
{
var list = new List <T>();
while (await reader.ReadAsync(token).ConfigureAwait(false))
{
var item = await _selector.ResolveAsync(reader, token).ConfigureAwait(false);
list.Add(item);
}
return(list);
}
public async Task <T> HandleAsync(DbDataReader reader, IIdentityMap map, CancellationToken token)
{
var hasResult = await reader.ReadAsync(token).ConfigureAwait(false);
if (!hasResult)
{
if (_canBeNull)
{
return(default(T));
}
throw new InvalidOperationException(NoElementsMessage);
}
var result = await _selector.ResolveAsync(reader, map, token).ConfigureAwait(false);
if (!_canBeMultiples && await reader.ReadAsync(token).ConfigureAwait(false))
{
throw new InvalidOperationException(MoreThanOneElementMessage);
}
return(result);
}
public Task <T> ResolveAsync(DbDataReader reader, IIdentityMap map, CancellationToken token)
{
return(_inner.ResolveAsync(reader, map, token));
}
public async Task <T> ResolveAsync(DbDataReader reader, CancellationToken token)
{
return((T)(await _inner.ResolveAsync(reader, token)));
}
