NewBee
Many_to_many ecto
I was trying to update my attributes tags which a list (many_to_many) but the update deletes the old data and put the new one ! how Can I do so I keep the old ones and add other data?
thank you
Most Liked
tfwright
Example:
schema = schema
|> Repo.preload(:other_schemas)
schema
|> Schema.changeset(%{})
|> Ecto.Changeset.put_assoc(:other_schemas, [schema | schema.other_schemas]))
|> Repo.update
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