Ecto.Repo.one-exclamation-mark
You're seeing just the callback
one-exclamation-mark
, go back to Ecto.Repo module for more information.
Specs
one!(queryable :: Ecto.Queryable.t(), opts :: Keyword.t()) :: Ecto.Schema.t()
Similar to one/2
but raises Ecto.NoResultsError
if no record was found.
Raises if more than one entry.
Options
:prefix
- The prefix to run the query on (such as the schema path in Postgres or the database in MySQL). This will be applied to allfrom
andjoin
s in the query that did not have a prefix previously given either via the:prefix
option onjoin
/from
or via@schema_prefix
in the schema. For more information see the "Query Prefix" section of theEcto.Query
documentation.
See the "Shared options" section at the module documentation for more options.