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如何在启动时使用Spring加载sql函数?

更新时间:2023-12-05 16:40:52

p $ p> < jdbc:initialize-database data-source =dataSource>
< jdbc:script location =classpath:com / foo / sql / db-schema.sql/>
< jdbc:script location =classpath:com / foo / sql / db-test-data.sql/>
< / jdbc:initialize-database>

使用注解(以下示例应置于 @Configuration class)

  @Value(classpath:com / foo / sql / db-schema.sql)
私有资源schemaScript;

@Value(classpath:com / foo / sql / db-test-data.sql)
私有资源dataScript;

@Bean
public DataSourceInitializer dataSourceInitializer(final DataSource dataSource){
final DataSourceInitializer initializer = new DataSourceInitializer();
initializer.setDataSource(dataSource);
initializer.setDatabasePopulator(databasePopulator());
返回初始值设定项;


private DatabasePopulator databasePopulator(){
final ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
populator.addScript(schemaScript);
populator.addScript(dataScript);
return populator;
}


I'm using Spring-Boot for my application, with hibernate.hbm2ddl.=update.

How can I ensure that on startup a sql script is executed? Thereby I want to make sure that at FUNCTION .. LANGUAGE plpgsql is present in my postgresql db.

By using XML.

<jdbc:initialize-database data-source="dataSource">
  <jdbc:script location="classpath:com/foo/sql/db-schema.sql"/>
  <jdbc:script location="classpath:com/foo/sql/db-test-data.sql"/>
</jdbc:initialize-database>

By using Annotations (the following example ought to be placed inside your @Configuration class)

@Value("classpath:com/foo/sql/db-schema.sql")
private Resource schemaScript;

@Value("classpath:com/foo/sql/db-test-data.sql")
private Resource dataScript;

@Bean
public DataSourceInitializer dataSourceInitializer(final DataSource dataSource) {
    final DataSourceInitializer initializer = new DataSourceInitializer();
    initializer.setDataSource(dataSource);
    initializer.setDatabasePopulator(databasePopulator());
    return initializer;
}

private DatabasePopulator databasePopulator() {
    final ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
    populator.addScript(schemaScript);
    populator.addScript(dataScript);
    return populator;
}