Posts with the same common tags

Low-code
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#1

While using the below structure:

type Post {
  tags: [Hashtag!]
}
type Hashtag {
  value: String!
}

If 2 or more posts have the same common tags, like #winter, will HashTag Table store only unique tags?

When I create a post with the same tags, the tags are saved again in HashTag table with different hypi id.

#2

Use the tag.value as the hypi.id so when you save a tag, set tag.id = ‘tag value’ AND hypi.id = ‘tag value’ - by setting hypi.id you guarantee not to create new tags. You could also use the hash of the tag as the ID.