mysql have table t(a Int, b Int), 2 records: (1,1) and (2, 2), then in ck count
`select count(1) from ckdb.t ` -- 2, that's ok.
then, mysql  delete (2,2) and ck count
`select count(1) from ckdb.t ` -- still 2, that's not correct .
break;
                }
                case MYSQL_TYPE_FLOAT:
                case MYSQL_TYPE_DOUBLE:
                case MYSQL_TYPE_TIMESTAMP2:
                case MYSQL_TYPE_DATETIME2:
                case MYSQL_TYPE_TIME2:
                case MYSQL_TYPE_JSON:
                case MYSQL_TYPE_BLOB:
                case MYSQL_TYPE_GEOMETRY: {
                    column_meta.emplace_back(UInt16(meta[pos]));
                    pos += 1;
                    break;
                }
                case MYSQL_TYPE_NEWDECIMAL:
                case MYSQL_TYPE_STRING: {
                    
                    auto b0 = UInt16(meta[pos] << 8);
                    auto b1 = UInt8(meta[pos + 1]);
                    column_meta.emplace_back(UInt16(b0 + b1));
                    pos += 2;
                    break;
                }
                case MYSQL_TYPE_BIT:
                case MYSQL_TYPE_VARCHAR:
                case MYSQL_TYPE_VAR_STRING: {
                    
                    auto b0 = UInt8(meta[pos]);
                    auto b1 = UInt16(meta[pos + 1] << 8);
                    column_meta.emplace_back(UInt16(b0 + b1));