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Revalidate Route

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Sloth bear posted this in #help-forum
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Sloth bearOP
I have some server actions for talking to the db. Do I need to revalidatePath every path that has changed data after a db mutation? This would mean to just revalidate the root with all it's sub paths or a whole lot of single path? Or is there any way to use revalidateTag with server actions?

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Mnigos
You can use revalidateTag inside server actions
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Sloth bearOP
But how do I tag the specific things I need to revalidate?
I know how to do it with fetch but no idea when calling a server action
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Mnigos
revalidateTag('your-tag')
https://nextjs.org/docs/app/building-your-application/data-fetching/fetching-caching-and-revalidating#revalidating-data
example from my repository:

export const getThoughts = unstable_cache(() => trpc.thoughts.all.query(), [], {
  tags: ['thoughts'],
  revalidate: 60,
})

export async function createThought(content: string) {
  const { id: authorId } = await getCurrentUser()

  const newThought = await trpc.thought.create.mutate({
    content,
    authorId,
  })

  revalidateTag('thoughts')

  return newThought
}
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Sloth bearOP
So I need to use unstablecache
Not really a fan of using a unstable function
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Mnigos
if you are using fetch you don't
I'm using unstable cache because of trpc usage
just pass tag into fetch function

fetch('', {
  next: {
    tags: ['your-tag']
  }
})