![]() ![]() ![]() For each constraint, there also needs to be a matching constraint in the database. so you need to pass your record through uniqueconstraint(). I have the following migration: def up do create( uniqueindex( :posts, :postpageurl, :commentid, :posttype, name: 'postpostpageurlcommentidposttype. Ecto is the go-to database toolkit for Elixir developers. Read our beginner-oriented article to learn how it works and whats special about it. How do you create a unique index on two columns in Ecto, which would correspond to. In that case your nil example would be a query returning zero rows, which is fine. Creating a unique constraint on two columns together in Ecto. QUERY ERROR db=22.3ms INSERT INTO "users" ("ap_id","follower_address","following","info","local","nickname","tags","id","inserted_at","updated_at") VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10), %, true, "internal.fetch",, >, ~N, ~N] QUERY OK db=0.2ms rollback Task #PID started from Pleroma.Supervisor terminating ** (Ecto.ConstraintError) constraint error when attempting to insert struct: * users_nickname_index (unique_constraint)įrom what I understand, internal.fetch user is being created on each start, which causes unique constraint violation. Im totally new to Elixir and Phoenix, and am currently working through the book 'Programming Phoenix.' Ive reached chapter 7 and I have a database table called categories with a column name and. Ecto is the go-to database toolkit for Elixir developers. Your /4 call fails because it expects an () struct or a changeset. ![]()
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