typo3 - Sort by joined table attribute -

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i have 2 entities in extbase extension. adress , category.every address have 1 category (category 1:n adress):

every category have title , description. want implement function im addressrepository adresses sort category title.

how can join both table , sort joined table title in extbase?

can give me hint?

update:

now solved issue plain sql statements


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