Examples of DBSQLScript

org.apache.empire.db.DBSQLScript
DBSQLScript
This class is a collection of sql command strings.
The class is used for obtaining and executing DDL commands supplied by the database driver (@see {@link DBDatabaseDriver#getDDLScript(DBCmdType,DBObject,DBSQLScript)})

Examples of org.apache.empire.db.DBSQLScript

   * line by line
   */
  private void createSampleDatabase(DBDatabaseDriver driver, Connection conn)
  {
        // create DLL for Database Definition
        DBSQLScript script = new DBSQLScript();
        db.getCreateDDLScript(driver, script);
        // Show DLL Statements
        System.out.println(script.toString());
        // Execute Script
        script.run(driver, conn, false);
        db.commit(conn);
        // Open again
        if (!db.isOpen() && !db.open(driver, conn)){
            throw new RuntimeException(driver.getErrorMessage());
        }

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Examples of org.apache.empire.db.DBSQLScript

     * line
     */
    private void createSampleDatabase(DBDatabaseDriver driver, Connection conn)
    {
        // create DLL for Database Definition
        DBSQLScript script = new DBSQLScript();
        db.getCreateDDLScript(driver, script);
        // Show DLL Statements
        System.out.println(script.toString());
        // Execute Script
        script.run(driver, conn, false);
        db.commit(conn);
        // Open again
        if (!db.isOpen() && !db.open(driver, conn)){
            throw new RuntimeException(driver.getErrorMessage());
        }

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Examples of org.apache.empire.db.DBSQLScript

        Connection conn = hsqldb.getConnection();
     
        DBDatabaseDriver driver = new DBDatabaseDriverHSql();
        CompanyDB db = new CompanyDB();
        db.open(driver, hsqldb.getConnection());
        DBSQLScript script = new DBSQLScript();
        db.getCreateDDLScript(db.getDriver(), script);
        script.run(db.getDriver(), hsqldb.getConnection(), false);
        
        DBRecord dep = new DBRecord();
        dep.create(db.DEPARTMENT);
        dep.setValue(db.DEPARTMENT.NAME, "junit");
        dep.setValue(db.DEPARTMENT.BUSINESS_UNIT, "testers");
        dep.update(conn);
        
        Date date = dep.getDateTime(db.DEPARTMENT.UPDATE_TIMESTAMP);
        assertNotNull("Date is null", date);
        assertTrue("No departments", dep.getInt(db.DEPARTMENT.ID) > 0);
        
        
        DBRecord emp = new DBRecord();
        emp.create(db.EMPLOYEE);
        emp.setValue(db.EMPLOYEE.FIRSTNAME, "junit");
        emp.setValue(db.EMPLOYEE.LASTNAME, "test");
        emp.setValue(db.EMPLOYEE.GENDER, "m");
        emp.setValue(db.EMPLOYEE.DEPARTMENT_ID, dep.getInt(db.DEPARTMENT.ID));
        emp.update(conn);
        
        date = emp.getDateTime(db.EMPLOYEE.UPDATE_TIMESTAMP);
        assertNotNull("Date is null", date);
        assertTrue("Employee id O or less", emp.getInt(db.EMPLOYEE.ID) > 0);


        int id = emp.getInt(db.EMPLOYEE.ID);
        
        // Update an Employee
        emp = new DBRecord();
        emp.read(db.EMPLOYEE, id, conn);
        // Set
        emp.setValue(db.EMPLOYEE.PHONE_NUMBER, "123456");
        emp.update(conn);
        
        emp = new DBRecord();
        emp.read(db.EMPLOYEE, id, conn);
        
        assertEquals("123456", emp.getString(db.EMPLOYEE.PHONE_NUMBER));
        
        script = new DBSQLScript();
        db.getDriver().getDDLScript(DBCmdType.DROP, db.EMPLOYEE, script);
        db.getDriver().getDDLScript(DBCmdType.DROP, db.DEPARTMENT, script);
        script.run(db.getDriver(), conn, true);
    }

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Examples of org.apache.empire.db.DBSQLScript

            // STEP 11: ddlSample
            System.out.println("*** ddlSample: shows how to add a column at runtime and update a record with the added column ***");
            if (db.getDriver() instanceof DBDatabaseDriverH2) {
              logger.info("As H2 does not support changing a table with a view defined we remove the view");
              System.out.println("*** drop EMPLOYEE_INFO_VIEW ***");
              DBSQLScript script = new DBSQLScript();
              db.getDriver().getDDLScript(DBCmdType.DROP, db.V_EMPLOYEE_INFO, script);
              script.run(db.getDriver(), conn, false);
            }
            ddlSample(conn, idPers2);
            if (db.getDriver() instanceof DBDatabaseDriverH2) {
              logger.info("And put back the view");
              System.out.println("*** create EMPLOYEE_INFO_VIEW ***");
              DBSQLScript script = new DBSQLScript();
              db.getDriver().getDDLScript(DBCmdType.CREATE, db.V_EMPLOYEE_INFO, script);
              script.run(db.getDriver(), conn, false);
            }




            // Done
            System.out.println("DB Sample finished successfully.");

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Examples of org.apache.empire.db.DBSQLScript

     * </PRE>
     */
    private static void createDatabase(DBDatabaseDriver driver, Connection conn)
    {
        // create DLL for Database Definition
        DBSQLScript script = new DBSQLScript();
        db.getCreateDDLScript(driver, script);
        // Show DLL Statement
        System.out.println(script.toString());
        // Execute Script
        script.run(driver, conn, false);
        // Commit
        db.commit(conn);
    }

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Examples of org.apache.empire.db.DBSQLScript

        // First, add a new column to the Table object
        DBTableColumn C_FOO = db.T_EMPLOYEES.addColumn("FOO", DataType.TEXT, 20, DataMode.Nullable);


        // Now create the corresponding DDL statement 
        System.out.println("Creating new column named FOO as varchar(20) for the EMPLOYEES table:");
        DBSQLScript script = new DBSQLScript();
        db.getDriver().getDDLScript(DBCmdType.CREATE, C_FOO, script);
        script.run(db.getDriver(), conn, false);
        
        // Now load a record from that table and set the value for foo
        System.out.println("Changing the value for the FOO field of a particular employee:");
        DBRecord rec = new DBRecord();
        rec.read(db.T_EMPLOYEES, idTestPerson, conn);
        rec.setValue(C_FOO, "Hello World");
        rec.update(conn);
        
        // Now extend the size of the field from 20 to 40 characters
        System.out.println("Extending size of column FOO to 40 characters:");
        C_FOO.setSize(40); 
        script.clear();
        db.getDriver().getDDLScript(DBCmdType.ALTER, C_FOO, script);
        script.run(db.getDriver(), conn, false);


        // Now set a longer value for the record
        System.out.println("Changing the value for the FOO field for the above employee to a longer string:");
        rec.setValue(C_FOO, "This is a very long field value!");
        rec.update(conn);


        // Finally, drop the column again
        System.out.println("Dropping the FOO column from the employee table:");
        script.clear();
        db.getDriver().getDDLScript(DBCmdType.DROP, C_FOO, script);
        script.run(db.getDriver(), conn, false);
    }

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Examples of org.apache.empire.db.DBSQLScript

   * line by line
   */
  private void createSampleDatabase(DBDatabaseDriver driver, Connection conn)
  {
        // create DLL for Database Definition
        DBSQLScript script = new DBSQLScript();
        db.getCreateDDLScript(driver, script);
        // Show DLL Statements
        System.out.println(script.toString());
        // Execute Script
        script.run(driver, conn, false);
        db.commit(conn);
        // Open again
        if (db.isOpen()==false)
            db.open(driver, conn);
    // Insert Sample Departments

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Examples of org.apache.empire.db.DBSQLScript

   * the department tables does not exist, the entire dll-script is executed
   * line by line
   */
  private void createSampleDatabase(DBDatabaseDriver driver, Connection conn) {
    // create DLL for Database Definition
    DBSQLScript script = new DBSQLScript();
    sampleDB.getCreateDDLScript(driver, script);
    // Show DLL Statements
    System.out.println(script.toString());
    // Execute Script
    script.run(driver, conn, false);
    sampleDB.commit(conn);
    // Open again
    if (!sampleDB.isOpen()) {
      sampleDB.open(driver, conn);
    }

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Examples of org.apache.empire.db.DBSQLScript

            System.out.println("--------------------------------------------------------");
            System.out.println("*** ddlSample: shows how to add a column at runtime and update a record with the added column ***");
            if (db.getDriver() instanceof DBDatabaseDriverH2) {
              log.info("As H2 does not support changing a table with a view defined we remove the view");
              System.out.println("*** drop EMPLOYEE_INFO_VIEW ***");
              DBSQLScript script = new DBSQLScript();
              db.getDriver().getDDLScript(DBCmdType.DROP, db.V_EMPLOYEE_INFO, script);
              script.run(db.getDriver(), conn, false);
            }
            ddlSample(conn, idEmp2);
            if (db.getDriver() instanceof DBDatabaseDriverH2) {
              log.info("And put back the view");
              System.out.println("*** create EMPLOYEE_INFO_VIEW ***");
              DBSQLScript script = new DBSQLScript();
              db.getDriver().getDDLScript(DBCmdType.CREATE, db.V_EMPLOYEE_INFO, script);
              script.run(db.getDriver(), conn, false);
            }


            // STEP 13: delete records
            System.out.println("--------------------------------------------------------");
            System.out.println("*** deleteRecordSample: shows how to delete records (with and without cascade) ***");

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Examples of org.apache.empire.db.DBSQLScript

     * </PRE>
     */
    private static void createDatabase(DBDatabaseDriver driver, Connection conn)
    {
        // create DLL for Database Definition
        DBSQLScript script = new DBSQLScript();
        db.getCreateDDLScript(driver, script);
        // Show DLL Statement
        System.out.println(script.toString());
        // Execute Script
        script.run(driver, conn, false);
        // Commit
        db.commit(conn);
    }

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