Examples of org.apache.empire.db.DBSQLScript.run()

org.apache.empire.db.DBSQLScript.run()
Runs all SQL Statements using the supplied driver and connection. @param driver the driver used for statement execution @param conn the connection

            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 ***");

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            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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        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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        // 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);

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        // 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);

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        // 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);
    }


    /**
     * This function demonstrates the use of the DBQuery object.<BR>
     * First a DBQuery is used to define a subquery that gets the latest employee department history record.<BR>

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        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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    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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            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 ***");

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            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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