Crate Data 0.48.0 发布，此版本现已提供下载：https://github.com/crate/crate/archive/0.48.0.zip。 更新内容如下： - Fixed misleading error message for trying to group by invalid data type. - COPY FROM / COPY TO will now automatically create a quoted URI if only a path is given. - crash 更新至 0.11.4 包括以下改进： - Fix: print stacktrace when crash is launched in verbose mode - Fix: query duration was rounded incorrectly to second precision - 添加 ``--format`` 命令行选项支持不同应答输出格式，比如： ``tabular``, ``raw``, ``json``, ``csv`` 和 ``mixed`` -重大改进 ``CONNECT <host>`` 客户端命令修改为 ``\connect <host>`` - alternative cli implementation using prompt_toolkit - added coloured printing when in interactive shell - Support `ON DUPLICATE KEY UPDATE` while inserting using a query. - Fix: Parameter substitution within subscript notation is not allowed anymore - Optimize OR queries which involve the cluster column. - Removed support for ``_version`` column in where clause if no primary key is specified in a query. - Added support for the ``IF EXISTS`` clause to ``DROP TABLE`` and ``DROP BLOB TABLE`` 更多内容请看更新日志。 Crate Data 是一个开源的大规模的可伸缩的数据存储系统，无需任何系统管理需求。提供强大的搜索功能。用于存储各种表格数据、非结构化数据和二进制对象。并可通过 SQL 进行检索。易于安装和使用，支持高可用性和实时大规模并行访问和处理。 使用方法： Crate Data 0.48.0 发布，大规模数据存储系统下载地址
