private static async Task StreamManyTransformed(this IMartenLinqQueryable martenQueryable, string transformName,
Stream destination, CancellationToken token)
{
var builder = martenQueryable.BuildLinqHandler();
var session = martenQueryable.Session;
await session.Database.EnsureStorageExistsAsync(typeof(TransformSchema), token).ConfigureAwait(false);
var transform = session.Options.TransformFor(transformName);
builder.CurrentStatement.SelectClause =
new TransformSelectClause <string>(transform, builder.CurrentStatement.SelectClause);
var statement = builder.TopStatement;
var command = statement.BuildCommand();
await session.StreamMany(command, destination, token).ConfigureAwait(false);
}
private static Task StreamManyTransformed(this IMartenLinqQueryable martenQueryable, string transformName,
Stream destination, CancellationToken token)
{
var builder = martenQueryable.BuildLinqHandler();
var session = martenQueryable.Session;
var tenant = session.Tenant;
// TODO -- use async version
tenant.EnsureStorageExists(typeof(TransformSchema));
var transform = tenant.TransformFor(transformName);
builder.CurrentStatement.SelectClause =
new TransformSelectClause <string>(transform, builder.CurrentStatement.SelectClause);
var statement = builder.TopStatement;
var command = statement.BuildCommand();
return(session.Database.StreamMany(command, destination, token));
}
private static async Task StreamOneTransformed(this IMartenLinqQueryable martenQueryable, string transformName,
Stream destination, CancellationToken token)
{
var builder = martenQueryable.BuildLinqHandler();
var session = martenQueryable.Session;
var tenant = session.Tenant;
await tenant.EnsureStorageExistsAsync(typeof(TransformSchema), token);
var transform = tenant.TransformFor(transformName);
builder.CurrentStatement.SelectClause =
new TransformSelectClause <string>(transform, builder.CurrentStatement.SelectClause);
var statement = builder.TopStatement;
statement.Current().Limit = 1;
var command = statement.BuildCommand();
await session.Database.StreamOne(command, destination, token);
}
