Table: Persist a TObject about brookframework HOT 18 CLOSED

If you want to validate table columns -- using Greyhound broker -- you can use Constraints.
See: https://github.com/mdbs99/Greyhound/blob/master/examples/table/t1.pas#L111

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Yes, i know, but the idea is to persist a tobject, the method "validate" is only an example, can be any method. :)

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Sorry, I don't get it, what would .Validate() do?

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Yes, i know, but the idea is to persist a tobject, the method "validate" is only an example, can be any method. :)

Persist a TObject? This is not possible... only if you use a subclass of TPersistent class and published properties.
Would be better if you explain what you want to do.

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Marcos da certo sim.
Estamos querendo converter TObject para JSON por RTTI, com isso aplicar na tabela o TObject direto.

English by google translator.
Mark's right yes.
We are trying to convert JSON to TObject for RTTI, apply it on the table with the direct TObject.

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Sorry, I don't get it, what would .Validate() do?

Validate() is only a sample. I'll make a full demo to explain better my idea, that seems like "marshal" of Delphi: serialize and persists TObjects.

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For this you need TPersistent or use {$M+} directive on your classes that will be persisted

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For this you need TPersistent or use {$M+} directive on your classes that will be persisted

No. I'll show it, wait please...

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Hello buddies,

This is my initial idea:

http://brookframework.org/todo/xuxa-20130124-1442.zip

See it working:

1 - http://imagebin.org/244061;
2 - http://imagebin.org/244062; (UTF-8 is very nice too! ;) )

I.e, I will use my objects, their properties and methods, after, simply I serialize and persist it. This is my idea. ;)

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Hmm... does that mean the method should insert/update the object to data storage automatically?

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Yes. My doubt now is if I implement it direct in TBrookQuery or in a class helper.

ps. Update the field "weight" to "Numeric(9,2)", and in your browser, type "79,5" or "79.5", it allows comma or dot.

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I sent a question to the FPC-Devel:

http://lists.freepascal.org/lists/fpc-devel/2013-January/031003.html

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Michael implemented my suggestion about case insensitive en FPJSONRTTI: http://bugs.freepascal.org/view.php?id=23745.

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Hmm... I confuse me, sorry.
Well, the FPJSONRTTI unit (TJSONStreamer and TJSONDeStreamer classes) is doing the real job.
IHMO, the user can use it by themselves. Why put this in Brook?

But if you want anyway, do not put in BrookQuery.

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Well, the reason is the same as having a TBrookQuery, even the user already having a TSQLQuery.

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I think that I'll implement it in a class helper, then your use will be optional. Or, creating a new unit: BrookRTTIDBAction. And this unit would have some new implementations.

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Ok, feel free.

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Done. (b0f49c3)

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