[lukaszsamson]

Found with SpecLint on elixir 1.20.4

lib/ecto/query/builder/join.ex:47: warning: Ecto.Query.Builder.Join.escape/3: inferred return includes {atom(), term(), term(), term(), term()}, which the spec does not declare
    @spec escape(Macro.t(), Keyword.t(), Macro.Env.t()) ::
  {atom(), Macro.t() | nil, Macro.t() | nil, list()}
    inferred: ({:in, term(), non_empty_list(term())}, term(), term()) -> dynamic({atom(), term(), term(), term(), term()})
    inferred: ({:^ or :subquery, term(), non_empty_list(term())}, term(), term()) -> dynamic({:_, term(), nil, nil, empty_list()})
    inferred: ({:fragment, term(), non_empty_list(term(), term())}, term(), term()) -> dynamic({:_, term(), nil, nil, term()})
    inferred: ({:values, term(), non_empty_list(term())}, term(), term()) -> dynamic({:_, {:{}, empty_list(), non_empty_list(:values or list(term()))}, nil, term(), term()})
    inferred: (({...} and not {binary(), term()} and ... ) -> dynamic()
    inferred: ({:assoc, term(), non_empty_list(term())}, term(), term()) -> dynamic({:_, nil, {term(), term()}, nil, empty_list()})
    inferred: (binary(), term(), term()) -> dynamic({:_, {binary(), nil}, nil, nil, empty_list()})
    inferred: (atom(), term(), term()) -> dynamic({:_, {nil, atom()}, nil, nil, empty_list()})
lib/ecto/query/builder.ex:1430: warning: Ecto.Query.Builder.quoted_type/2: inferred return includes :atom or {:tuple, term()}, which the spec does not declare
    @spec quoted_type(Macro.t(), Keyword.t()) :: quoted_type()
    ... (14 clauses with returns already in the spec, omitted) ...
    inferred: (atom() and not(boolean(), nil), term()) -> :atom
    inferred: ({:{}, term(), term()}, term()) -> dynamic({:tuple, term()})
    ... (1 more clause, returns :any) ...
spec_lint: 10 spec clauses checked, 0 error(s), 2 warning(s)