/// <summary>
/// Builds out a LinqHandlerBuilder for this MartenQueryable<T>
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
internal LinqHandlerBuilder BuildLinqHandler(Expression expression)
{
var builder = new LinqHandlerBuilder(this, _session, expression);
builder.BuildDatabaseStatement();
return(builder);
}
public Task StreamMany(Expression expression, Stream destination, CancellationToken token)
{
var builder = new LinqHandlerBuilder(this, _session, expression);
builder.BuildDatabaseStatement();
var command = builder.TopStatement.BuildCommand();
return(_session.Database.StreamMany(command, destination, token));
}
public Task <bool> StreamOne(Expression expression, Stream destination, CancellationToken token)
{
var builder = new LinqHandlerBuilder(this, _session, expression);
builder.BuildDatabaseStatement();
var statement = builder.TopStatement;
statement.Current().Limit = 1;
var command = statement.BuildCommand();
return(_session.StreamOne(command, destination, token));
}
public async Task <bool> StreamOne(Expression expression, Stream destination, CancellationToken token)
{
var builder = new LinqHandlerBuilder(this, _session, expression);
builder.BuildDatabaseStatement();
await ensureStorageExistsAsync(builder, token).ConfigureAwait(false);
var statement = builder.TopStatement;
statement.Current().Limit = 1;
var command = statement.BuildCommand();
return(await _session.StreamOne(command, destination, token).ConfigureAwait(false));
}
public async IAsyncEnumerable <T> ExecuteAsyncEnumerable <T>(Expression expression, [EnumeratorCancellation] CancellationToken token)
{
var builder = new LinqHandlerBuilder(this, _session, expression);
builder.BuildDatabaseStatement();
var selector = (ISelector <T>)builder.CurrentStatement.SelectClause.BuildSelector(_session);
var statement = builder.TopStatement;
var cmd = _session.BuildCommand(statement);
using var reader = await _session.ExecuteReaderAsync(cmd, token).ConfigureAwait(false);
while (await reader.ReadAsync(token).ConfigureAwait(false))
{
yield return(await selector.ResolveAsync(reader, token).ConfigureAwait(false));
}
}