【发布时间】:2016-06-08 06:03:15
【问题描述】:
这是我的飞行路线配置:
url: jdbc:h2:./target/test;MODE=MYSQL;INIT=CREATE SCHEMA IF NOT EXISTS "test";
这就是我在我的测试套件中初始化它的方式:
Flyway flyway = new Flyway();
flyway.setDataSource(APP.getConfiguration().getDatabaseUrl(), APP.getConfiguration().getDatabaseUser(),
APP.getConfiguration().getDatabasePass());
flyway.setBaselineOnMigrate(true);
flyway.setSchemas("test");
flyway.clean();
flyway.migrate();
这运行良好,但只是第一次。任何后续使用相同架构的时间,我都会收到错误消息:
org.flywaydb.core.api.FlywayException: Unable to drop "test"."my_table"
at org.flywaydb.core.internal.dbsupport.SchemaObject.drop(SchemaObject.java:82)
at org.flywaydb.core.internal.dbsupport.h2.H2Schema.doClean(H2Schema.java:69)
at org.flywaydb.core.internal.dbsupport.Schema.clean(Schema.java:148)
at org.flywaydb.core.internal.command.DbClean$4.doInTransaction(DbClean.java:154)
at org.flywaydb.core.internal.command.DbClean$4.doInTransaction(DbClean.java:152)
at org.flywaydb.core.internal.util.jdbc.TransactionTemplate.execute(TransactionTemplate.java:72)
at org.flywaydb.core.internal.command.DbClean.cleanSchema(DbClean.java:152)
at org.flywaydb.core.internal.command.DbClean.clean(DbClean.java:106)
at org.flywaydb.core.Flyway$3.execute(Flyway.java:1125)
at org.flywaydb.core.Flyway$3.execute(Flyway.java:1121)
at org.flywaydb.core.Flyway.execute(Flyway.java:1418)
at org.flywaydb.core.Flyway.clean(Flyway.java:1121)
at com.TestSuite.beforeClass(TestSuite.java:63)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: org.h2.jdbc.JdbcSQLException: Table "my_table" not found; SQL statement:
DROP TABLE "test"."my_table" CASCADE [42102-190]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
at org.h2.message.DbException.get(DbException.java:179)
at org.h2.message.DbException.get(DbException.java:155)
at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:69)
at org.h2.command.ddl.DropTable.update(DropTable.java:113)
at org.h2.command.CommandContainer.update(CommandContainer.java:78)
at org.h2.command.Command.executeUpdate(Command.java:253)
at org.h2.jdbc.JdbcPreparedStatement.execute(JdbcPreparedStatement.java:198)
at org.flywaydb.core.internal.dbsupport.JdbcTemplate.execute(JdbcTemplate.java:219)
at org.flywaydb.core.internal.dbsupport.h2.H2Table.doDrop(H2Table.java:43)
at org.flywaydb.core.internal.dbsupport.SchemaObject.drop(SchemaObject.java:80)
... 31 more
如果我从初始化中删除 flyway.clean(),我会收到一堆错误,因为由于数据库已经被填充,迁移无法正常工作,所以所有表都在那里。
以前,在我添加 MODE=MYSQL; 之前,它运行良好。以下是表的创建方式,V1_migration.sql:
CREATE TABLE my_table (id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, session_id INT, token VARCHAR(50), CONSTRAINT s_id FOREIGN KEY (session_id) REFERENCES user_sessions(id));
发生了什么事?为什么 Flyway 不能丢表?
【问题讨论】:
-
如果
DROP TABLE "test"."my_table" CASCADE从 mysql admin 或任何其他 db 客户端执行,它是否有效? -
@BorisPavlović 这是使用 H2,所以我不认为无法从 mysql 客户端访问实际数据库。
-
抱歉,您可以使用其他数据库客户端stackoverflow.com/a/2761825/32090
-
@BorisPavlović 谢谢,我已经打开了与控制台工具的连接,我可以看到架构和表,但所有表的名称都以大写形式列出。这可能是问题吗?
-
尝试运行查询
DROP TABLE "test"."MY_TABLE"或DROP TABLE "TEST"."MY_TABLE"