Flop.Cursor.get_cursor_from_node
You're seeing just the function
get_cursor_from_node
, go back to Flop.Cursor module for more information.
Specs
Takes a tuple with the node and the edge and the order_by
field list and
returns the cursor value derived from the node map.
If a map is passed instead of a tuple, it retrieves the cursor value from that map.
This function is used as a default if no :get_cursor_value_func
option is
set. See also Flop.Cursor.get_cursor_from_edge/2
.
iex> record = %{id: 20, name: "George", age: 62}
iex> edge = %{id: 25, relation: "sibling"}
iex>
iex> Flop.Cursor.get_cursor_from_node({record, edge}, [:id])
%{id: 20}
iex> Flop.Cursor.get_cursor_from_node({record, edge}, [:id, :name])
%{id: 20, name: "George"}
iex> Flop.Cursor.get_cursor_from_node(record, [:id])
%{id: 20}