multiple-databases | 易学教程

Spring boot data jpa multiple datasources entityManagerFactory error

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问题 I want to use two databases with Spring Boot. Here the code: first db config @Configuration @EnableAutoConfiguration @EnableJpaRepositories( basePackages = {"net.elyland.pipe.repositories.router"}, entityManagerFactoryRef = "routerEntityManagerFactory", transactionManagerRef = "routerTransactionManager") @EnableTransactionManagement @PropertySource("classpath:application.properties") @ComponentScan(basePackages = {"net.elyland.pipe.domain.router"}) public class RouterRepositoryConfiguration {

Postgresql PITR backup: best practices to handle multiple databases?

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问题 Hy guys, i have a postgresql 8.3 server with many database. Actually, im planning to backup those db with a script that will store all the backup in a folder with the same name of the db, for example: /mypath/backup/my_database1/ /mypath/backup/my_database2/ /mypath/backup/foo_database/ Every day i make 1 dump each 2 hours, overwriting the files every day... for example, in the my_database1 folder i have: my_database1.backup-00.sql //backup made everyday at the 00.00 AM my_database1.backup-02

Yii : multiple databases connection fails

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问题 i read the yii docs and the following code should work; well, it doesnt. :)) db is the primary database db1 and db2 are the secondary databases what is wrong here ? the website is online, at www.linkbook.co , and it cant connect to any of the databases 'db' => array( 'connectionString' => 'mysql:host=localhost;dbname=linkbookco', 'emulatePrepare' => true, 'username' => 'user', 'password' => 'password', 'charset' => 'utf8', 'tablePrefix' => '', ), 'db1' => array( 'connectionString' => 'mysql

Multiple Databases in play framework

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问题 I'm trying to establish a second database connection to another database on another server. We're using play framework 1.2.4 and I found the following documentation for 1.2.3. http://www.playframework.org/documentation/1.2.3/model#multiple application.conf: db_other.url=jdbc:mysql://localhost/test db_other.driver=com.mysql.jdbc.Driver db_other.user=root db_other.pass= Connection conn = DB.getDBConfig("other").getConnection() This didn't worked for me so I did a little more search and found

Spring JDBC with Tomcat DBCP and multiple datasources

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I am using spring with have multiple datasources (catering to multiple mysql dbs) and using tomcat dbcp. I am getting some weird exceptions like procedure not found - when the proc is definitely present in the db cannot borrow from pool - local dev setup, so definitely the pool is not full the Problem I feel might be this, need inputs from everyone: I have one jdbcTemplate object defined in my spring.xml , on every query that I need to fire, I call jdbcTemplate.setDataSource() to set the appropriate datasource and then use simplejdbccall(jdbctemplate) to execute the proc. Should I go in for

How to use multiple database in a PHP web application?

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问题 I am making a PHP web Application in which i am using MySQL as database server, i want to make backup of some tables from one database to another database(with that tables in it). i have created two different connection, but the table is not updated. $dbcon1 = mysql_connect(DB_SERVER,DB_USER,DB_PASSWORD) or die(mysql_error()); $dbase1 = mysql_select_db(TEMP_DB_NAME,$dbcon)or die(mysql_error()); $query1=mysql_query("SELECT * FROM emp"); while($row = mysql_fetch_array($query1, MYSQL_NUM)) {

Spring JDBC with Tomcat DBCP and multiple datasources

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问题 I am using spring with have multiple datasources (catering to multiple mysql dbs) and using tomcat dbcp. I am getting some weird exceptions like procedure not found - when the proc is definitely present in the db cannot borrow from pool - local dev setup, so definitely the pool is not full the Problem I feel might be this, need inputs from everyone: I have one jdbcTemplate object defined in my spring.xml , on every query that I need to fire, I call jdbcTemplate.setDataSource() to set the

Handling Multiple databases with NHibernate in a single application

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问题 At the moment I define the connection properties in a configuration file and only ever connect to one database. I'd like to be able to at some point have a user login, figure out (via a seperate central database maybe) what database they should be connected and from that point on all sessions created will talk to that database. Whats the best way to achieve this. Create a configuration file for every possible database? Or could I have a single session manager and change the connection url on

Cannot connect to two postgres databases in rails 3.2.

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问题 I've tried a few methods found on stack overflow for connecting to two database in rails two however non of them are working. Here's what I've got at the moment: In the database.yml there's two connection settings: development: adapter: postgresql host: localhost database: blerg username: postgres encoding: utf8 production: blah... test: &test blah... cucumber: <<: *test static_api_development: adapter: postgresql host: localhost database: blerg-static-api username: postgres encoding: utf8

Development and Production databases

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问题 I and my team are currently doing a project, where we are using Entity Framework 4.1 (Code First). We want to write some tests, but we don't want them to run on our primary database, as we have a team in Singapore writing a client for what we do, and they are hitting that database constantly. So to avoid disturbance when running our tests, we would like to have a different database for testing. How do we handle a second database when using Entity Framework? We want a solution that is semi