Ecto.Adapters.SQL.Connection.explain_query
You're seeing just the callback
explain_query
, go back to Ecto.Adapters.SQL.Connection module for more information.
Specs
explain_query( connection(), query :: String.t(), params :: Keyword.t(), opts :: Keyword.t() ) :: {:ok, term()} | {:error, Exception.t()}
Executes an EXPLAIN query or similar depending on the adapter to obtains statistics of the given query.
Receives the connection
, query
, params
for the query,
and all opts
including those related to the EXPLAIN statement and shared opts.
Must execute the explain query and return the result.