Cheng, that's true of certain options that are targeted at administrators. But the DataFrameReader or DataFrameWriter options are job-specific, which is why a hint makes the most sense.
On Wed, Jul 5, 2023 at 1:26 AM Cheng Pan <pan3...@gmail.com> wrote: > I would argue that the SQLConf way is more in line with Spark > user/administrator habits. > > It’s a common practice that Spark administrators set configurations in > spark-defaults.conf at the cluster level , and when the user has issues > with their Spark SQL/Jobs, the first question they asked mostly is: can it > be fixed by adding a spark configuration? > > The OPTIONS way brings additional learning efforts to Spark users and how > can Spark administrators set them at cluster level? > > Thanks, > Cheng Pan > > > > > > On Jun 17, 2023, at 04:01, Wing Yew Poon <wyp...@cloudera.com.INVALID> > wrote: > > > > Hi, > > I recently put up a PR, https://github.com/apache/iceberg/pull/7790, to > allow the write mode (copy-on-write/merge-on-read) to be specified in > SQLConf. The use case is explained in the PR. > > Cheng Pan has an open PR, https://github.com/apache/iceberg/pull/7733, > to allow locality to be specified in SQLConf. > > In the recent past, https://github.com/apache/iceberg/pull/6838/ was a > PR to allow the write distribution mode to be specified in SQLConf. This > was merged. > > Cheng Pan asks if there is any guidance on when we should allow configs > to be specified in SQLConf. > > Thanks, > > Wing Yew > > > > ps. The above open PRs could use reviews by committers. > > > > -- Ryan Blue Tabular