我有两个具有相同模型的模式，但是除了Postgres之外，它没有以某种方式工作，但出现相同的错误却创建了模式。其他数据库即使在h2嵌入式数据库上也不会创建架构。
我知道在两个数据库上创建相同的实体是很丑陋的，但是以某种方式我找到了一个用例。这不是讨论。
错误
由以下原因引起：org.postgresql.util.PSQLException：错误：架构“ myschema” 不存在
错误堆满
GenerationTarget encountered exception accepting command : Error
executing DDL via JDBC Statement
org.hibernate.tool.schema.spi.CommandAcceptanceException: Error
executing DDL via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlString(SchemaDropperImpl.java:375)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlStrings(SchemaDropperImpl.java:359)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.applyConstraintDropping(SchemaDropperImpl.java:331)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropFromMetadata(SchemaDropperImpl.java:230)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.performDrop(SchemaDropperImpl.java:154)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:126)
at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:112)
at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:144)
at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:312)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:462)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:892)
at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:57)
at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:390)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:377)
at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1765)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1702)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:579)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1089)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:859)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:139)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117)
at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
at org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener.prepareTestInstance(SpringBootDependencyInjectionTestExecutionListener.java:44)
at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: org.postgresql.util.PSQLException: ERROR: schema "myschema" does not exist
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2440)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2183)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:308)
at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:441)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:365) at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:307)
at org.postgresql.jdbc.PgStatement.executeCachedSql(PgStatement.java:293)
at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:270)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:266)
at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54)
... 59 common frames omitted
测试仅适用于postgres：
@SpringBootTest
@RunWith(SpringRunner.class)
public class AcceptanceTestTest {
@Autowired
private TestRepository testRepository;
@Autowired
private LiveRepository liveRepository;
@Test
public void testTwoDataSources() {
Event event_one = prepareEvent();
Event event_two = prepareEvent();
liveRepository.save(event_one);
testRepository.save(event_one);
testEventRepository.save(event_two);
assertThat(testRepository.count(), is(2L));
assertThat(liveRepository.count(), is(1L));
}
Application.yml
spring:
jpa:
show-sql: false
hibernate:
ddl-auto: create-drop
use-new-id-generator-mappings: true
datasource:
url: jdbc:postgresql://localhost:5432/postgres
username: postgres
password:
driverClassName: org.postgresql.Driver
schema:
live: myschema
test: test
test:
mockmvc:
print: system_err
MySchemaConfig
@Configuration
@EnableJpaRepositories(basePackages = "berlin.yuna.acceptancetest.repositories.myschema", entityManagerFactoryRef = "livePersistenceEntityManager", transactionManagerRef = "livePersistenceTransactionManager")
public class LivePersistenceConfig {
@Autowired
private Environment env;
@Primary
@Bean
public LocalContainerEntityManagerFactoryBean livePersistenceEntityManager() {
LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setDataSource(MySchemaDataSource());
em.setPackagesToScan("berlin.yuna.acceptancetest.repositories.myschema", "berlin.yuna.acceptancetest.model");
HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
vendorAdapter.setShowSql(Boolean.valueOf(env.getProperty("spring.jpa.show-sql")));
em.setJpaVendorAdapter(vendorAdapter);
HashMap<String, Object> properties = new HashMap<>();
properties.put(DEFAULT_SCHEMA, env.getProperty("spring.datasource.schema.live"));
properties.put(DIALECT, detectDatabasePlatform(env.getProperty("spring.datasource.driverClassName"), env.getProperty("spring.jpa.database-platform")));
properties.put(HBM2DDL_AUTO, env.getProperty("spring.jpa.hibernate.ddl-auto"));
properties.put(SHOW_SQL, env.getProperty("spring.jpa.show-sql"));
properties.put(HBM2DLL_CREATE_SCHEMAS, String.valueOf(requireNonNull(env.getProperty("spring.jpa.hibernate.ddl-auto")).toLowerCase().contains("create")));
properties.put(HBM2DDL_DATABASE_ACTION, env.getProperty("spring.jpa.hibernate.ddl-auto"));
em.setJpaPropertyMap(properties);
return em;
}
@Primary
@Bean
public DataSource mySchemaDataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setUrl(env.getProperty("spring.datasource.url"));
dataSource.setUsername(env.getProperty("spring.datasource.username"));
dataSource.setPassword(env.getProperty("spring.datasource.password"));
dataSource.setDriverClassName(requireNonNull(env.getProperty("spring.datasource.driverClassName")));
dataSource.setSchema(env.getProperty("spring.datasource.schema.live"));
return dataSource;
}
@Primary
@Bean
public PlatformTransactionManager livePersistenceTransactionManager() {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(livePersistenceEntityManager().getObject());
return transactionManager;
}
TestSchema
@Configuration
@EnableJpaRepositories(basePackages = "berlin.yuna.acceptancetest.repositories.test", entityManagerFactoryRef = "testPersistenceEntityManager", transactionManagerRef = "testPersistenceTransactionManager")
public class TestPersistenceConfig {
@Autowired
private Environment env;
@Bean
public LocalContainerEntityManagerFactoryBean testPersistenceEntityManager() {
LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setDataSource(testDataSource());
em.setPackagesToScan("berlin.yuna.acceptancetest.repositories.myschema", "berlin.yuna.acceptancetest.model");
HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
vendorAdapter.setShowSql(Boolean.valueOf(env.getProperty("spring.jpa.show-sql")));
em.setJpaVendorAdapter(vendorAdapter);
HashMap<String, Object> properties = new HashMap<>();
properties.put(HBM2DDL_AUTO, env.getProperty("spring.jpa.hibernate.ddl-auto"));
properties.put(DEFAULT_SCHEMA, env.getProperty("spring.datasource.schema.test"));
properties.put(SHOW_SQL, env.getProperty("spring.jpa.show-sql"));
properties.put(HBM2DLL_CREATE_SCHEMAS, String.valueOf(requireNonNull(env.getProperty("spring.jpa.hibernate.ddl-auto")).toLowerCase().contains("create")));
properties.put(HBM2DDL_DATABASE_ACTION, env.getProperty("spring.jpa.hibernate.ddl-auto"));
properties.put(DIALECT, detectDatabasePlatform(env.getProperty("spring.datasource.driverClassName"), env.getProperty("spring.jpa.database-platform")));
em.setJpaPropertyMap(properties);
return em;
}
@Bean
public DataSource testDataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setUrl(env.getProperty("spring.datasource.url"));
dataSource.setUsername(env.getProperty("spring.datasource.username"));
dataSource.setPassword(env.getProperty("spring.datasource.password"));
dataSource.setDriverClassName(requireNonNull(env.getProperty("spring.datasource.driverClassName")));
dataSource.setSchema(env.getProperty("spring.datasource.schema.test"));
return dataSource;
}
@Bean
public PlatformTransactionManager testPersistenceTransactionManager() {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(testPersistenceEntityManager().getObject());
return transactionManager;
}