Why does the TYPO3 Extension Builder don't generate Foreign keys?
I've set some relations between the models, but in SQL Code there are noe FKs only colums for the Value of the key.
Does anyone can help me?
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Cite from Kartsen Dambekalns
(source)
Nothing changed till now, so you need to create foreign keys yourself after modeling.
Answer to comment:
That depends on relation type of course (
1:n,n:1,m:n, etc) and Builder supports creating relations in modeling tool perfectly. Keep in mind, that foreign keys are NOT required for keeping relations in TYPO3.There are some rules described in TCA section of documentation, i.e. in mentioned case you can use
selectorgroup (with internal_type)type of field. For many-to-many relation also you'll need to create MM table. If you'll follow these documents, you can be sure, that in common backend editing form they will be handled properly.As mentioned before Extension Builder supports creating different types of relations in its click-click modeling tool and it's worthy to spend some time to play with it to see how relations of different types are handled in TYPO3. It uses the same rules that are used in creating relations also in pre-extbase extensions. What's more Builder adds required methods to the models i.e. for
getting,attachinganddetachingMM objects of given relation field, therefore it's most important to model all your relations at start. In other case you'll need to write these methods manually (which is boring process)