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- #Sequel pro database diagram how to
- #Sequel pro database diagram install
- #Sequel pro database diagram code
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- #Sequel pro database diagram download
$dirs = array($package_dir, $schema_dir, $mysql_class_dir, $class_dir) The $package_name cannot be empty! Please adjust the configuration and try again.') A few variables used to track execution times. "components/$package_name/model/schema/$package_" "components/$package_name/model/$package_name/mysql" "components/$package_name/model/$package_name" MODX_CORE_PATH not defined! Did you include the correct config file?') Here's a reverse-engineering script that allows a bit of configuration and does a little error checking: Reverse Engineering Error Together, they behave similarly to other ORM's, e.g. The crux of this script are 2 xPDO methods (note, however, that the methods belong to children objects):
#Sequel pro database diagram download
You can download a version of this script and see a tutorial that describes using this method with a simple custom DB table at Bob's Guides. You will probably need to make adjustments and run it more than once, but in concept and in function, this script is merely scaffolding. In general, this is a "disposable" script that you may only need to run once. We need a script to scan your database tables and generate the XML schema and PHP files. If you are using a web application, phpMyAdmin is nearly ubiquitous. SQL-Yog is a great desktop application for MySQL management on Windows, Macs offer Sequel Pro. One of the easiest ways to create a MySQL table is to use one of the many GUI editors available. In the image below, it's important to realize that you can start with any one component, and the other 2 can be automatically generated.Īrguably, the easiest "access point" to the xPDO technology is to start with some existing database tables and use those to generate the XML schema file and PHP classes, and that's what this page demonstrates. But in this example, we're going to start with a database table and use that to generate the XML schema, which will in turn generate the necessary PHP classes. You can supply an XML schema which will generate the PHP files which will in turn generate the necessary tables – this is how third-party components are distributed because it provides a predictable and unified way of creating new database tables. XPDO is the engine behind this database abstraction – ultimately it needs PHP classes that describe the data model. The further you get from concrete examples, the more difficult the development becomes. You can of course jump right into the xPDO definitions and classes that will define database-agnostic classes and schemas, but it is more difficult for the novice precisely because it deals with abstractions. Once you've done that, you can then focus on abstraction later.
#Sequel pro database diagram code
#Sequel pro database diagram install
Put it at the root of your MODX install (this is important so the script can find xPDO). Copy the "reverse-engineering" script (provided below) to your webserver.Create a database table (or tables) using MySQL (this can be done via the mysql command line or any number of MySQL GUI clients, e.g.by creating Custom Resource Classes, then usually you will start this process with the XML file. If you're wanting to extend existing MODX classes, e.g.
#Sequel pro database diagram how to
The easiest approach when dealing with a custom database table is to reverse engineer existing MySQL database tables: MySQL has been around for a long time, and there are numerous tutorials and books out there to help you learn how to use it. These PHP classes can be generated automatically by parsing a specially formatted XML file, by reverse engineering existing database tables, or they can even be written by hand (masochists only).
#Sequel pro database diagram series
The xPDO Object-Relational-Bridge (ORB) relies on a series of PHP classes to provide an interface to database tables.