FireDAC.Comp.Script.TFDScriptCommand

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[–] Properties Type: class Visibility: public Source:

FireDAC.Comp.Script.pas

FireDAC.Comp.Script.hpp

Unit: FireDAC.Comp.Script Parent: FireDAC.Comp.Script

Delphi

TFDScriptCommand = class(TObject)

C++

class PASCALIMPLEMENTATION TFDScriptCommand : public System::TObject

Description

The base class for custom script commands.

The FireDAC SQL Script engine is fully extendable and allows to create custom script control commands.  Use the TFDScriptCommand class as a base class for custom script commands. The command developer must implement the following virtual methods:

• Keywords--returns the list of the keywords, which run this command.
• Help--returns the command help.
• Parse--parses the script and prepares the command for execution.
• Validate--runs the command in script validation mode.
• Execute--runs the command in actual execution mode.

The command class must be registered with the SQL Script engine using the FDScriptCommandRegistry().AddCommand(...) call.

See Also

• Executing SQL Scripts
• SQL Script Control Commands
• Developing Custom Commands
• AddCommand