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README
Apache-2.0

db-migration

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介绍

针对 Flyway、Liquibase 扩展官方默认不支持的一些数据库的支持。当前支持达梦(DM)数据库。

db-migration-dm 版本说明(达梦)

db-migration-dm spring boot flyway liquibase
spring boot 版本 < 2.6.2 版本 < 7.15.0 版本 < 4.5.0(未测试)
1.1.3 版本 >= 7.15.0 ✔
1.1.3 2.6.x 8.0.5 ✔ 4.5.0(未测试)
1.1.3 2.7.x 8.5.13 ✔ 4.9.1 ✔
1.1.3 3.0.x 9.5.1 ✔ 4.17.2 ✔
1.1.3 3.1.x 9.16.3 ✔ 4.20.0 ✔

提示:在url中指定schema的方式:jdbc:dm://localhost:5236?schema=VTL_TEST&compatibleMode=oracle

Flyway 使用(以达梦(DM)数据库为例)

引入 maven 依赖。然后按照 Flyway 的使用方式直接使用即可。

注意: Flyway 达梦数据库请勿添加如下参数:comOracle=true&databaseProductName=Oracle&compatibleMode=oracle

<dependency>
    <groupId>com.github.mengweijin</groupId>
    <artifactId>db-migration-dm</artifactId>
    <version>${db-migration-dm.version}</version>
</dependency>
<dependency>
    <artifactId>flyway-core</artifactId>
    <groupId>org.flywaydb</groupId>
</dependency>

Flyway MySQL 温馨提示

flyway-core 8.2.1及以后的版本不再直接支持 MySQL,需要额外引入:

官方说明:https://flywaydb.org/documentation/database/mysql#maven

<dependency>
    <artifactId>flyway-core</artifactId>
    <groupId>org.flywaydb</groupId>
</dependency>
<dependency>
  <groupId>org.flywaydb</groupId>
  <artifactId>flyway-mysql</artifactId>
</dependency>

Liquibase 使用(以达梦(DM)数据库为例)

引入 maven 依赖。然后按照 Liquibase 的官方使用方式使用即可。

注意: liquibase 中达梦数据库的 jdbc url 需要添加 compatibleMode=oracle 参数。

比如:jdbc:dm://localhost:5236?compatibleMode=oracle

<dependency>
    <groupId>com.github.mengweijin</groupId>
    <artifactId>db-migration-dm</artifactId>
    <version>${db-migration-dm.version}</version>
</dependency>
<dependency>
    <groupId>org.liquibase</groupId>
    <artifactId>liquibase-core</artifactId>
</dependency>

Liquibase + Flowable 使用

依赖、配置等参考 demo 目录下的 liquibase-dm 工程。注意 flowable 的配置项。

flowable 参考配置

如果只用来初始化 flowable 相关的表,则参考如下配置:

spring:
  datasource:
    driver-class-name: dm.jdbc.driver.DmDriver
    url: jdbc:dm://localhost:5236?compatibleMode=oracle
    username: VTL_TEST
    password: 
flowable:
  # 一般和 spring.datasource.username 的值一样。
  database-schema: VTL_TEST

liquibase 其他配置

如果不光要初始化 flowable 相关的表,还要额外执行其他 sql 脚本来初始化数据库,则参考:

spring:
  # 此处省略数据库相关配置,可参考上面一段配置。
  liquibase:
    # 启用liquibase,Spring Boot 默认就是 true
    enabled: true
    # 存储变化的文件(changelog)位置。默认:classpath:/db/changelog/db.changelog-master.xml
    # 如果只用来初始化 flowable 相关的表,change-log 可以不用配置。
    change-log: classpath:/db/changelog.xml
    # 分环境执行,若在 changelog 文件中设置了对应 context 属性,则只会执行与 dev 对应值的 changeset
    # contexts: dev
    # 执行前首先删除数据库,默认 false。若设置为 true,则执行变更前,会先删除目标数据库,请谨慎
    # dropFirst: false
    # 执行更新时将回滚 SQL 写入的文件路径
    # rollback-file:
    # 如果使用工程已配置的 datasource 数据源,则以下三个数据库连接参数可不配置
    # 访问数据库的连接地址
    # url:
    # 访问数据库的用户名
    # user:
    # 访问数据库的密码
    # password:
flowable:
  # 一般和 spring.datasource.username 的值一样。
  database-schema: VTL_TEST

完整的基础使用示例参考各自 demo 工程。

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简介

针对 Flyway、Liquibase 扩展官方默认不支持的一些数据库的支持。当前支持达梦(DM)数据库。 展开 收起
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