<big><big> PostgreSQL Adapter for NexJ - Create Test Environment </big></big>{{NexJ_Express IndexAdmon/obsolete}}

[[category: NexJ Express PostgreSQL]][[Category:NexJ_Express_Development]][[category: NexJ Express]] ==Task Summary = ={| border="1" cellpadding="4" cellspacing="2" style="border: 1px solid black;border- Setup collapse:collapse;"|-! Task! Status|- | Install the postgresqlPostgreSQL Server| DONE|- | Install PostgreSQL driver| DONE|- | Add code to connect to server| DONE|-| Create Script for Test database| DONE |-| Test connection to the server| DONE|-| Configure UnitTests for multiple DB's| |} == Task Details ===== Install PostgreSQL ===For testing the connectionDownload: <code>Version 9.0</code> from list of [http://www.enterprisedb.com/products/pgdownload.do#windows PostgreSQL downloads]. === Install PostgreSQL JDBC3 driver ===Download: <code> JDBC3 Postgresql Driver, the 'PostgreSQLAdapterTestVersion 9.0-801 </code> @ http://jdbc.postgresql.java' is being usedorg/download.html * <br/>Install: Copy driver to <code>[[PostgreSQL_Adapter-nexjjdk folder]/jre/lib/test-envext</todo |TODOs]]code> * Files to configure based on === Code: Add PostgreSQL propertiesDriver ===Package: src<code>nexj.core.persistance.sql</code>:: Create <code>PostgreSQLAdapter.java </code> by extending <code>SQLAdapter</ Extends SQLAdapter.java - SQL Persistence adaptercode>:: Create <code>PostgreSQLSchemaManager.java </code> by extending <code>SQLSchemaManager</ Extends SQLSchemaManagercode> :Edit <code>RelationalDatabase.java - class for reading, creating and upgrading the database schema</code>:: systemEdit <code>RelationalDatabaseFragment.dstypejava</code>:: DatabaseToolEdit <code>SQLSchemaManagerFactory.java </code> Package: <code>nexj.core.meta.sys</ This file calles SQLSchemaMangerFactorycode>:Edit <code>system.java and creates the connectiondstypes</code> === SQL Scripts ===Package:<code>nexj.core.persistence.sql.script</code>: RelationalDatabaseCreate * <code>postgresql_setup.java sql</code>* <code>postgresql_drop.sql</ Sets the default properties for the supported driverscode>:: RelationalDatabaseFragment* <code>postgresql_insert.java sql</code>* <code>postgresql_upd_addr.sql</ Sets the custom fragment properties for the supported driverscode>:: Driver type and some other properties in JDBCInfo* <code>postgresql_upd_cont.javasql</code>:: SQLSchemaManagerFactory.java=== UnitTest: testTest Connectivity to database ===Package:: AllTests<code>nexj.core.persistance.javasql</code>:: Create <code>PostgreSQLAdapterTest.java </code> by extending <code>SQLAdapterTest</ Extends SQLAdapterTest.javacode>:: Create <code>PostgreSQLSchemaManagerTest.java </code> by extending <code>SQLSchemaManagerTest</ Extends SQLSchemaManagerTest.javacode> Package:: default.config /<code>nexj</ System resources are being extracted from these 4 XML filescode>:: Create <code>postgresql.connectionconnections</code> using NexJ Studio:: filestorageEdit <code>default.connectionsconfig</code> to use PostgreSQL::filestoragefragmentEdit all <code>*.connections</code> files to use PostgreSQL: Script:: postgresql_setup.sql:: TO be cond'===Configure UnitTests for more than one Database===

* NOTES<!--== 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

=== 2- Create a PostgreSQL database through some scriptsFiles to Configure==='''NOTE''': Through the process in postgresql_setup.sqlChanges to these files are involved with '''1-Port''', the database was createdwhich should be: 5432, initialized and tested::: A database called 'test is created in PostgreSQL : ''2- Driver package''' that should change to <code> CREATE DATABASE test org.postgresql.xa.PGXADataSource </code>:src: To create a <code>user<: system.dstype:: DatabaseTool.java /code> along with <code>password</code>This file calles SQLSchemaMangerFactory.java and creates the connection:: <code> CREATE USER test WITH PASSWORD 'test'; <RelationalDatabase.java //code>Sets the default properties for the supported drivers:: Login to RelationalDatabaseFragment.java // Sets the custom fragment properties for the database 'test' with username 'test'supported drivers:: <code> psql -U test test </code>Driver type and some other properties in JDBCInfo.java:: Create a <code> Schema <SQLSchemaManagerFactory.java //code> called 'test' inside Sets the connection for the database 'test' with particular owner 'adapter type: test':: <code> CREATE SCHEMA test AUTHORIZATION test;</code>AllTests.java:: Create a <code>table<default.config //code> called 'Mutex' with primary keychange to these four files are: adapter="PostgreSQL" port="5432":: <code> CREATE TABLE testpostgresql.Mutex(id INT PRIMARY KEY); </code>connection :: Insert a value into the primary keyfilestorage.connections:: <code> INSERT INTO testfilestoragefragment.Mutex(id) VALUES (1); </codeconnections-->