DBConnection.prepare_stream
You're seeing just the function
prepare_stream
, go back to DBConnection module for more information.
Specs
prepare_stream(t(), query(), params(), opts :: Keyword.t()) :: DBConnection.PrepareStream.t()
Create a stream that will prepare a query, execute it and stream results using a cursor.
Options
:queue
- Whether to block waiting in an internal queue for the connection's state (boolean, default:true
). See "Queue config" instart_link/2
docs:timeout
- The maximum time that the caller is allowed to perform this operation (default:15_000
):deadline
- If set, overrides:timeout
option and specifies absolute monotonic time in milliseconds by which caller must perform operation. SeeSystem
module documentation for more information on monotonic time (default:nil
):log
- A function to log information about a call, either a 1-arity fun,{module, function, args}
withDBConnection.LogEntry.t/0
prepended toargs
ornil
. SeeDBConnection.LogEntry
(default:nil
)
The pool and connection module may support other options. All options
are passed to handle_prepare/3
, handle_close/3
, handle_declare/4
,
and handle_deallocate/4
.
Example
{:ok, results} = DBConnection.transaction(conn, fn conn ->
query = %Query{statement: "SELECT id FROM table"}
stream = DBConnection.prepare_stream(conn, query, [])
Enum.to_list(stream)
end)