This change adds tracking of all the CQL errors that can be
raised in response to a CQL message from a client, as described
in the CQL v4 protocol and with Scylla's CDC_WRITE_FAILUREs
included.
Fixes#5859Closes#7604
Refs #4924
truncate_exception should, like its origin counterpart, set
error code to TRUNCATE_ERROR, not PROTOCOL_ERROR.
tests: unit + partial dtest
Message-Id: <20200212100920.14478-1-calle@scylladb.com>
sprint() recently became more strict, throwing on sprint("%s", 5). Replace
with the more modern format().
Mechanically converted with https://github.com/avikivity/unsprint.
