Imports vitess.io/vitess/go/sqltypes vitess.io/vitess/go/vt/log vitess.io/vitess/go/vt/proto/query vitess.io/vitess/go/vt/proto/vtrpc vitess.io/vitess/go/vt/sqlparser vitess.io/vitess/go/vt/vterrors vitess.io/vitess/go/vt/vttablet/tabletserver/schema Standard library imports fmt math/big strconv