![]() Each column will have its own seed, therefore the same generator can be assigned multiple times within a table and different values will be produced for each column.Ī typical implementation is: public int Seedįor a complete example, see % ProgramFiles%\Red Gate\SQL Data Generator 3\UserExample \Generator\ Seedable\Seedable.cs (on 32-bit machines) or % ProgramFiles(x86)%\Red Gate\SQL Data Generator 3\UserExample \Generator\ Seedable\Seedable.cs (on 64-bit machines). The engine will automatically give a value to Seed at initialization. Use the seed to initialize the Random class in the GetEnumerator. The ISeedableGenerator is defined as: public interface ISeedableGenerator The generator can then generate random data that is different each time. This interface enables the generator to specify a seed. If necessary, the GetEnumerator can throw exceptions. The engine is designed to cater for a limited number of values from the GetEnumerator. However, it is not always possible to do this. The easiest way to implement this code is by using the Yield statement the above example never runs out of values. ![]() This enables your code to verify that lengths and types are consistent. ![]() GeneratorParameters provides access to the field. Make sure the class is public, and the Generator class exists. SQL Data Generator will add SQL data types based on SqlTypes defined in the SQL Compare engine. To create a generator that supports multiple SQL data types, add SupportSQLType. ![]() SQL Data Generator assigns the SQL data type that corresponds to the specified type of. NET result, the Category that the generator is to be placed in, and the name and description to be displayed in the GUI. The Generator attribute defines the type of. Public Basic(GeneratorParameters parameters) [Generator(typeof(int), "Generic", "8 times table", The following example code produces random values between for the 8 times table. To display your generator in the graphical user interface (GUI), you must add a simple Generator attribute to your class. If necessary, your code can throw exceptions and so on. This parameter describes the SQL field in the Table that is being assigned. You must also implement a special constructor that takes a single parameter of type GeneratorParameters. IEnumerator GetEnumerator(GenerationSession session) The IGenerator interface is defined as: namespace The IGenerator interface must be implemented for your class to be considered a generator. To override this default functionality, implement interfaces IGeneratorUIStyle and IGeneratorUI. If they do, the class is considered to be a generator and is made accessible to the rest of the system.īy default, parameters for the generator are displayed in a standard Microsoft Grid Control. Each DLL is loaded in turn, and reflection is used to check whether any public classes implement these interfaces. At startup, a specified folder is scanned for DLLs. Each interface is very lightweight.Ī generator must implement a series of interfaces in order that the engine considers it to be a generator. The SQL Data Generator engine defines a series of interfaces. ArchitectureĪ simple diagram of the architecture is shown below. When you have built the project, copy the output DLL to % ProgramFiles%\Red Gate\SQL Data Generator 3\Generators (on 32-bit machines) or % ProgramFiles(x86)%\Red Gate\SQL Data Generator 3\Generators (on 64-bit machines). You may also want to change the output path. If you want to build the projects, you must first add the project references for the SQL Compare Engine and the SQL Data Compare Engine. Copy the output DLL to % ProgramFiles%\Red Gate\SQL Data Generator 3 \Generators (on 32-bit machines) or % ProgramFiles(x86)%\Red Gate\SQL Data Generator 3 \Generators (on 64-bit machines).Įxample Microsoft Visual Studio 2005 project files are provided in % ProgramFiles%\Red Gate\SQL Data Generator 3 \UserExample\Generator (on 32-bit machines) or % ProgramFiles(x86)%\Red Gate\SQL Data Generator 3 \UserExample\Generator (on 64-bit machines). ![]() Create a public class that implements IGenerator.In Microsoft Visual Studio, create a Class Library.NET, and have access to SQL Data Generator on your computer. NET 2.0 language, have a good understanding of. To write your own generator, you must be proficient at a. You may want to create a new generator if the supplied generators don't meet your requirements and you can't customize them to suit your needs. ![]()
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