tursodatabase/turso · error · NotSupportedException

Incremental blob I/O is not yet supported by the Turso SQLit

Error message

Incremental blob I/O is not yet supported by the Turso SQLite-compatible provider.

What it means

Error "Incremental blob I/O is not yet supported by the Turso SQLite-compatible provider." thrown in tursodatabase/turso.

Source

Thrown at bindings/dotnet/src/Turso.Data.Sqlite/SqliteBlob.cs:120

            throw new NotSupportedException(Properties.Resources.ResizeNotSupported);

        stream.Write(buffer, offset, count);
        Persist();
    }

    protected override void Dispose(bool disposing)
    {
        if (disposing && !_disposed)
            _stream?.Dispose();

        _disposed = true;
        base.Dispose(disposing);
    }

    private MemoryStream GetStream()
    {
        ObjectDisposedException.ThrowIf(_disposed, this);
        return _stream ?? throw new NotSupportedException("Incremental blob I/O is not yet supported by the Turso SQLite-compatible provider.");
    }

    private void Persist()
    {
        if (_connection is null || _tableName is null || _columnName is null || _readOnly)
            return;

        using var command = _connection.CreateCommand();
        command.CommandText = "UPDATE " + QuoteIdentifier(_tableName) + " SET " + QuoteIdentifier(_columnName) + " = $value WHERE rowid = $rowid;";
        command.Parameters.Add("$value", SqliteType.Blob).Value = GetStream().ToArray();
        command.Parameters.Add("$rowid", SqliteType.Integer).Value = _rowId;
        command.ExecuteNonQuery();
    }

    private static byte[] GetBlobValue(SqliteConnection connection, string tableName, string columnName, long rowId)
    {
        using var command = connection.CreateCommand();
        command.CommandText = "SELECT " + QuoteIdentifier(columnName) + " FROM " + QuoteIdentifier(tableName) + " WHERE rowid = $rowid;";

View on GitHub (pinned to bad083fafb)

When it happens

Trigger: Thrown at bindings/dotnet/src/Turso.Data.Sqlite/SqliteBlob.cs:120 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tursodatabase/turso@bad083fafb (2026-08-16). Data as JSON: /api/errors/1fcef5fe6b1e847c. Report an issue: GitHub.