- NONE
- CONFIG
- a bad URL or setting, or a call made outside
Io.io_run
- IO
- the connection failed;
io says how
- TIMED_OUT
- an
Io.with_deadline limit passed
- CANCELED
- the fiber was canceled
- CLOSED
- the connection was closed, or broken by an earlier failure
- TLS
- the TLS handshake or a TLS record failed
- AUTH
- authentication was refused or could not be done safely
- PROTOCOL
- the server sent something this client does not understand
- SERVER
- an ErrorResponse:
code, message and the rest are set
- DECODE
- a value did not decode into the type asked for
- USAGE
- the call does not fit the result (a missing column, more rows than one, say)
- NOT_FOUND
query_one matched no row- HOST_REJECTED
- a server answered, but is not the kind
target_session_attrs asks for
- ABORTED
- a pipelined statement was skipped because an earlier one of its batch failed