maropu commented on pull request #29152:
URL: https://github.com/apache/spark/pull/29152#issuecomment-662907451
Forbitting it in in-memory catalog, too, looks ok to me. If we get a user's
request about the behaivour, we can easily fix it.
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maropu commented on pull request #29152:
URL: https://github.com/apache/spark/pull/29152#issuecomment-662767785
Looks okay to me, but (this is trivial though) we might need to choose
either action?;
- jira type: `improvement` -> `bug`, then backport this to
`branch-3.0`/`branch-2.4`, o
maropu commented on pull request #29152:
URL: https://github.com/apache/spark/pull/29152#issuecomment-661902376
hm, at least, most databases can accpet it `create view v as select null`,
but `null` is regared as another type, e.g., a text in postgresql;
```
postgres=# create view v as
