Ecto.Query.first

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first(queryable, order_by \\ nil)

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Restricts the query to return the first result ordered by primary key.

The query will be automatically ordered by the primary key unless order_by is given or order_by is set in the query. Limit is always set to 1.

Examples

Post |> first |> Repo.one
query |> first(:inserted_at) |> Repo.one