Wenchen Fan

Results 8 issues of Wenchen Fan

### What changes were proposed in this pull request? This PR is a refactor of `SessionCatalog`. It centralizes the code of qualifying identifiers in one place: `SessionCatalog.qualifyIdentifier`. Then we can...

SQL

Something like ``` val g = Graph("a" ~> "b" % 3, "a" ~> "c" % 2, "b" ~> "c" % -2) println(g.get("a").shortestPathTo(g.get("c")).get.weight) ``` will print 2, which is wrong(should be...

enhancement

#### Which Delta project/connector is this regarding? - [x] Spark - [ ] Standalone - [ ] Flink - [ ] Kernel - [ ] Other (fill in here) ##...

### What changes were proposed in this pull request? We have Github Action jobs to test package building and doc generation, but the execution environment is different from what we...

BUILD
INFRA

#### Which Delta project/connector is this regarding? - [x] Spark - [ ] Standalone - [ ] Flink - [ ] Kernel - [ ] Other (fill in here) ##...

#### Which Delta project/connector is this regarding? - [x] Spark - [ ] Standalone - [ ] Flink - [ ] Kernel - [ ] Other (fill in here) ##...

### What changes were proposed in this pull request? This is a re-submitting of https://github.com/apache/spark/pull/43938 to fix a join correctness bug caused by https://github.com/apache/spark/pull/41398 . Credits go to @mcdull-zhang ###...

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