dmsqlalchemy 1.4.39

SQLAlchemy dialect for DM

dmSQLAlchemy

此包为Python的SQLAlchemy包链接达梦数据库的适配框架，当前版本为 1.4.39 ，API详见安装目录下的 《DM8_dmPython使用手册》 ，目前用于适配1.4版本的SQLAlchemy。

ChangeLogs

dmSQLAlchemy v1.4.39(2024.10.31)

• 修复了部分类型无法对应到 SQLAlchemy 支持类型的问题，当前类型支持详见 《DM8_dmPython使用手册》 第5.3节类型映射

• 修复了自增列自增值设置报错问题

• 修复了列类型为 Enum 时访问该列时报错的问题

• 修复了向blob数据执行插入操作，插入 NONE 时实际插入 `` NONE `` 的问题

dmSQLAlchemy v1.4.38(2024.08.27)

• 修复了单条语句执行市场最大为30秒的问题，现执行语句默认将不再限制执行时长

• 增加了对于SQLAlchemy的 array 类型的支持

• 修复了在低于 1.4.38 版本的 SQLAlchemy 上执行 SELECT 时报错的问题

dmSQLAlchemy v1.4.37(2023.01.06)

• 修复了主键为自增列的情况下执行插入操作报错的问题

LICENSE

The MIT License (MIT)

Copyright (c) 2017 Dameng

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.