feat(education): complete Flyway migration and atomic submit

yudao-server/src/main/resources/application-dev.yaml

@@ -22,6 +22,21 @@ spring:
       - com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeEmbeddingAutoConfiguration
       - com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeMultimodalEmbeddingAutoConfiguration
       - com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeAsyncToolCallingManagerAutoConfiguration
+  # Flyway 数据库迁移：首次接管既有 PostgreSQL 库时建立 V4009 基线，后续迁移从 V4010 开始
+  flyway:
+    enabled: true
+    url: ${FLYWAY_URL:${spring.datasource.dynamic.datasource.master.url}}
+    user: ${FLYWAY_USER:${spring.datasource.dynamic.datasource.master.username}}
+    password: ${FLYWAY_PASSWORD:${spring.datasource.dynamic.datasource.master.password}}
+    locations: classpath:db/migration
+    table: flyway_schema_history
+    baseline-on-migrate: true
+    baseline-version: 4009
+    baseline-description: existing-postgresql-schema
+    validate-on-migrate: true
+    clean-disabled: true
+    out-of-order: false
+
   # 数据源配置项
   datasource:
     druid: # Druid 【监控】相关的全局配置
@@ -51,7 +66,7 @@ spring:
         time-between-eviction-runs-millis: 60000 # 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位：毫秒（1 分钟）
         min-evictable-idle-time-millis: 600000 # 配置一个连接在池中最小生存的时间，单位：毫秒（10 分钟）
         max-evictable-idle-time-millis: 1800000 # 配置一个连接在池中最大生存的时间，单位：毫秒（30 分钟）
-        validation-query: SELECT 1 FROM DUAL # 配置检测连接是否有效
+        validation-query: SELECT 1 # PostgreSQL 连接有效性检测
         test-while-idle: true
         test-on-borrow: false
         test-on-return: false
@@ -60,12 +75,12 @@ spring:
       primary: master
       datasource:
         master:
-          url: jdbc:mysql://127.0.0.1:3306/ruoyi-vue-pro?useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true&rewriteBatchedStatements=true # MySQL Connector/J 8.X 连接的示例
+          url: jdbc:postgresql://127.0.0.1:5432/ruoyi-vue-pro
           username: root
           password: 123456
-        slave: # 模拟从库，可根据自己需要修改 # 模拟从库，可根据自己需要修改
+        slave: # 模拟从库，可根据自己需要修改
           lazy: true # 开启懒加载，保证启动速度
-          url: jdbc:mysql://127.0.0.1:3306/ruoyi-vue-pro?useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true&rewriteBatchedStatements=true # MySQL Connector/J 8.X 连接的示例
+          url: jdbc:postgresql://127.0.0.1:5432/ruoyi-vue-pro
           username: root
           password: 123456