新增flyway模块的脚本和配置

src/main/java/cn/stylefeng/guns/GunsApplication.java

@@ -3,6 +3,7 @@ package cn.stylefeng.guns;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.flyway.FlywayAutoConfiguration;
 
 /**
  * SpringBoot方式启动类
@@ -11,7 +12,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @date 2020/12/1 17:50
  */
 @Slf4j
-@SpringBootApplication(scanBasePackages = {"cn.stylefeng"})
+@SpringBootApplication(scanBasePackages = {"cn.stylefeng"}, exclude = FlywayAutoConfiguration.class)
 public class GunsApplication {
 
     public static void main(String[] args) {

src/main/resources/application.yml

@@ -20,6 +20,12 @@ spring:
     locale: zh_CN
     serialization:
       indent_output: false
+  flyway:
+    locations: classpath:db/migration
+    # 当迁移时发现目标schema非空，而且带有没有元数据的表时，是否自动执行基准迁移
+    baseline-on-migrate: true
+    # 是否允许无序的迁移 开发环境最好开启, 生产环境关闭
+    out-of-order: true
 
 scanner:
   open: true

src/main/resources/db/migration/R__create_test.sql

@@ -0,0 +1,2 @@
+CREATE OR REPLACE VIEW config_test AS
+    SELECT `config_name`, `config_code`, `sys_flag` FROM `sys_config`

src/main/resources/db/migration/V1.0_20210118_2038__alter_msg_table.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `sys_message`
+    MODIFY COLUMN `priority_level` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '优先级' AFTER `message_type`;

src/main/resources/db/migration/V1.0_20210118_2113__alter_msg_table_add.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `sys_message`
+    add COLUMN `priority_level_test` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '优先级' AFTER `message_type`;

src/main/resources/db/migration/V1.0_20210118_2115__alter_msg_table_drop.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `sys_message`
+    drop COLUMN `priority_level_test`;