spark-instrumented-optimizer/sql/core
manuzhang 5d7853750f [SPARK-31942] Revert "[SPARK-31864][SQL] Adjust AQE skew join trigger condition
### What changes were proposed in this pull request?
This reverts commit b9737c3c22 while keeping following changes

* set default value of `spark.sql.adaptive.skewJoin.skewedPartitionFactor` to 5
* improve tests
* remove unused imports

### Why are the changes needed?
As discussed in https://github.com/apache/spark/pull/28669#issuecomment-641044531, revert SPARK-31864 for optimizing skew join to work for extremely clustered keys.

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Existing tests.

Closes #28770 from manuzhang/spark-31942.

Authored-by: manuzhang <owenzhang1990@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2020-06-11 03:34:07 +00:00
..
benchmarks [SPARK-31932][SQL][TESTS] Add date/timestamp benchmarks for HiveResult.hiveResultString() 2020-06-09 04:59:41 +00:00
src [SPARK-31942] Revert "[SPARK-31864][SQL] Adjust AQE skew join trigger condition 2020-06-11 03:34:07 +00:00
v1.2/src [SPARK-31818][SQL] Fix pushing down filters with java.time.Instant values in ORC 2020-05-25 18:36:02 -07:00
v2.3/src [SPARK-31818][SQL] Fix pushing down filters with java.time.Instant values in ORC 2020-05-25 18:36:02 -07:00
pom.xml Revert "[SPARK-31765][WEBUI] Upgrade HtmlUnit >= 2.37.0" 2020-06-03 14:15:30 +09:00