This commit makes the column names from an invalid delete statement human readable.
Before that, they were printed in their hex representation, which is not convenient
for debugging.
Before:
InvalidRequest:
Error from server: code=2200 [Invalid query]
message="Invalid where clause contains non PRIMARY KEY columns: 76616c"
After:
InvalidRequest:
Error from server: code=2200 [Invalid query]
message="Invalid where clause contains non PRIMARY KEY columns: val"
Message-Id: <52923335e8837295fd5ba2dfd0921196e21f7f16.1634626777.git.sarna@scylladb.com>