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[[category: NexJ Express PostgreSQL]][[Category:NexJ_Express_Development]][[category: NexJ Express]]
== 1= Install PostgreSQL JDBC3 driver ===Download: <code> JDBC3 Postgresql Driver, Version 9.0- 801 </code> @ http://jdbc.postgresql.org/download.html <br/>Install: Copy driver to <code>[jdk folder]/jre/lib/ext</code> === Code: Add PostgreSQL Driver ===Package: <code>nexj.core.persistance.sql</code>:Create <code>PostgreSQLAdapter.java</code> by extending <code>SQLAdapter</code>:Create <code>PostgreSQLSchemaManager.java</code> by extending <code>SQLSchemaManager</code> :Edit <code>RelationalDatabase.java</code>:Edit <code>RelationalDatabaseFragment.java</code>:Edit <code>SQLSchemaManagerFactory.java</code> Package: <code>nexj.core.meta.sys</code>:Edit <code>system.dstypes</code> === SQL Scripts ===Package: <code>nexj.core.persistence.sql.script</code>:Create * <code>postgresql_setup.sql</code>* <code>postgresql_drop.sql</code>* <code>postgresql_insert.sql</code>* <code>postgresql_upd_addr.sql</code>* <code>postgresql_upd_cont.sql</code> === UnitTest: Test Connectivity to database ===Package: <code>nexj.core.persistance.sql</code>:Create <code>PostgreSQLAdapterTest.java</code> by extending <code>SQLAdapterTest</code>:Create <code>PostgreSQLSchemaManagerTest.java</code> by extending <code>SQLSchemaManagerTest</code> Package: <code>nexj</code>:Create <code>postgresql.connections</code> using NexJ Studio:Edit <code>default.config</code> to use PostgreSQL:Edit all <code>*.connections</code> files to use PostgreSQL ===Configure UnitTests for more than one Database=== <!--== Setup the postgresql-connection ==
For testing the connection, the 'AllTests.java' is being used.
: Installed the <code> Installer version Version 9.0.1-1</code> from list of [http://www.enterprisedb.com/products/pgdownload.do#windows PostgreSQL downloads].: Installed the <code> JDBC3 Postgresql Driver, Version 9.0-801 </code> @ http://jdbc.postgresql.org/download.html and added it to the libraries in JDK
:: The driver class which is being used for NexJ Express Model is: <code> org.postgresql.xa.PGXADataSource </code>
:: The driver is loaded from RelationalDatabaseFragment.java and RelationalDatabase.java
</source>
: After all properties are loaded, it creates the connection through Connection Factory files.
===Files to Configure===
'''NOTE''': Changes to these files are involved with '''1-Port''', which should be: 5432, and '''2- Driver package''' that should change to <code> org.postgresql.xa.PGXADataSource </code>
: src
:: system.dstype
:: DatabaseTool.java // This file calles SQLSchemaMangerFactory.java and creates the connection
:: RelationalDatabase.java // Sets the default properties for the supported drivers
:: RelationalDatabaseFragment.java // Sets the custom fragment properties for the supported drivers
:: Driver type and some other properties in JDBCInfo.java
:: SQLSchemaManagerFactory.java // Sets the connection for the particular adapter type
: test
:: AllTests.java
:: default.config // change to these four files are: adapter="PostgreSQL" port="5432"
:: postgresql.connection
:: filestorage.connections
::filestoragefragment.connections
-->
