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lib/ecto/exceptions.ex

defmodule Ecto.Query.CompileError do
@moduledoc """
Raised at compilation time when the query cannot be compiled.
"""
defexception [:message]
end
defmodule Ecto.QueryError do
@moduledoc """
Raised at runtime when the query is invalid.
"""
defexception [:message]
def exception(opts) do
message = Keyword.fetch!(opts, :message)
query = Keyword.fetch!(opts, :query)
message = """
#{message} in query:
#{Inspect.Ecto.Query.to_string(query)}
"""
if (file = opts[:file]) && (line = opts[:line]) do
relative = Path.relative_to_cwd(file)
message = Exception.format_file_line(relative, line) <> " " <> message
end
%__MODULE__{message: message}
end
end
defmodule Ecto.CastError do
@moduledoc """
Raised at runtime when a value cannot be cast.
"""
defexception [:model, :field, :type, :value, :message]
def exception(opts) do
model = Keyword.fetch!(opts, :model)
field = Keyword.fetch!(opts, :field)
value = Keyword.fetch!(opts, :value)
type = Keyword.fetch!(opts, :type)
msg = Keyword.fetch!(opts, :message)
%__MODULE__{model: model, field: field, value: value, type: type, message: msg}
end
end
defmodule Ecto.InvalidURLError do
defexception [:message, :url]
def exception(opts) do
url = Keyword.fetch!(opts, :url)
msg = Keyword.fetch!(opts, :message)
msg = "invalid url #{url}, #{msg}"
%__MODULE__{message: msg, url: url}
end
end
defmodule Ecto.NoPrimaryKeyError do
defexception [:message, :model]
def exception(opts) do
model = Keyword.fetch!(opts, :model)
message = "model `#{inspect model}` has no primary key"
%__MODULE__{message: message, model: model}
end
end
defmodule Ecto.MissingPrimaryKeyError do
defexception [:message, :struct]
def exception(opts) do
struct = Keyword.fetch!(opts, :struct)
message = "struct `#{inspect struct}` is missing primary key value"
%__MODULE__{message: message, struct: struct}
end
end
defmodule Ecto.ChangeError do
defexception [:message]
end
defmodule Ecto.NoResultsError do
defexception [:message]
def exception(opts) do
query = Keyword.fetch!(opts, :queryable) |> Ecto.Queryable.to_query
msg = """
expected at least one result but got none in query:
#{Inspect.Ecto.Query.to_string(query)}
"""
%__MODULE__{message: msg}
end
end
defmodule Ecto.MultipleResultsError do
defexception [:message]
def exception(opts) do
query = Keyword.fetch!(opts, :queryable) |> Ecto.Queryable.to_query
count = Keyword.fetch!(opts, :count)
msg = """
expected at most one result but got #{count} in query:
#{Inspect.Ecto.Query.to_string(query)}
"""
%__MODULE__{message: msg}
end
end
defmodule Ecto.MigrationError do
defexception [:message]
end
defmodule Ecto.StaleModelError do
defexception [:message]
def exception(opts) do
action = Keyword.fetch!(opts, :action)
model = Keyword.fetch!(opts, :model)
msg = """
attempted to #{action} a stale model:
#{inspect model}
"""
%__MODULE__{message: msg}
end
end