Hey gaoxiaoqing, Thanks for taking care of this! Regarding the syntax, currently we have "set <option_name>;", "unset <option_name>;", "set;" and "set all;" Following these I would vote for a bit different syntax than what you proposed. E.g. "*unset all*"
Cheers, Gabor On Wed, Apr 13, 2022 at 8:22 AM `曦 <285814...@qq.com> wrote: > I have submitted the following issue, > > https://issues.apache.org/jira/browse/IMPALA-11233 > > > > > when we using jdbc connection pool, a connection set some query option, > after query finished, connection is closed and put back to the connection > pool. when connection using again, the last query option also come into > affect. > > we need a feature that a set statement can reset all query option without > restart impalad. > > I wrote a demo using set reset_all_query_option=1. it can reset all query > option. > > https://gerrit.cloudera.org/#/c/18408/ > > do you think is it much more better to create a new syntax? eg, reset > query_option > > Thanks! > > gaoxiaoqing