[SPARK-35652][SQL] joinWith on two table generated from same one #32863
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Can one of the admins verify this patch? |
dgd-contributor
changed the title
Author
|
Link SPARK-6231 |
Author
|
cc @rxin @marmbrus @cloud-fan @MaxGekk |
cloud-fan
reviewed
Jun 11, 2021
cloud-fan
approved these changes
Jun 11, 2021
Contributor
|
thanks, merging to master/3.1! |
cloud-fan
pushed a commit
that referenced
this pull request
Jun 11, 2021
It seems like spark inner join is performing a cartesian join in self joining using `joinWith`
To produce this issues:
```
val df = spark.range(0,3)
df.joinWith(df, df("id") === df("id")).show()
```
Before this pull request, the result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 0 | 1 |
| 0 | 2 |
| 1 | 0 |
| 1 | 1 |
| 1 | 2 |
| 2 | 0 |
| 2 | 1 |
| 2 | 2 |
+---+---+
The expected result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
+---+---+
correctness
no
add test
Closes #32863 from dgd-contributor/SPARK-35652_join_and_joinWith_in_seft_joining.
Authored-by: dgd-contributor <dgd_contributor@viettel.com.vn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
(cherry picked from commit 6e1aa15)
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
Contributor
|
@dgd-contributor can you open a backport pr for 3.0? thanks! |
Author
ok, OTW |
dgd-contributor
pushed a commit
to dgd-contributor/spark
that referenced
this pull request
Jun 14, 2021
It seems like spark inner join is performing a cartesian join in self joining using `joinWith`
To produce this issues:
```
val df = spark.range(0,3)
df.joinWith(df, df("id") === df("id")).show()
```
Before this pull request, the result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 0 | 1 |
| 0 | 2 |
| 1 | 0 |
| 1 | 1 |
| 1 | 2 |
| 2 | 0 |
| 2 | 1 |
| 2 | 2 |
+---+---+
The expected result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
+---+---+
correctness
no
add test
Closes apache#32863 from dgd-contributor/SPARK-35652_join_and_joinWith_in_seft_joining.
Authored-by: dgd-contributor <dgd_contributor@viettel.com.vn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
cloud-fan
pushed a commit
that referenced
this pull request
Jun 17, 2021
It seems like spark inner join is performing a cartesian join in self joining using `joinWith`
To produce this issues:
```
val df = spark.range(0,3)
df.joinWith(df, df("id") === df("id")).show()
```
Before this pull request, the result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 0 | 1 |
| 0 | 2 |
| 1 | 0 |
| 1 | 1 |
| 1 | 2 |
| 2 | 0 |
| 2 | 1 |
| 2 | 2 |
+---+---+
The expected result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
+---+---+
correctness
no
add test
Closes #32863 from dgd-contributor/SPARK-35652_join_and_joinWith_in_seft_joining.
Authored-by: dgd-contributor <dgd_contributorviettel.com.vn>
Signed-off-by: Wenchen Fan <wenchendatabricks.com>
### What changes were proposed in this pull request?
### Why are the changes needed?
### Does this PR introduce _any_ user-facing change?
### How was this patch tested?
Closes #32899 from dgd-contributor/branch-3.0.
Authored-by: dgd-contributor <dgd_contributor@viettel.com.vn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
flyrain
pushed a commit
to flyrain/spark
that referenced
this pull request
Sep 21, 2021
It seems like spark inner join is performing a cartesian join in self joining using `joinWith`
To produce this issues:
```
val df = spark.range(0,3)
df.joinWith(df, df("id") === df("id")).show()
```
Before this pull request, the result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 0 | 1 |
| 0 | 2 |
| 1 | 0 |
| 1 | 1 |
| 1 | 2 |
| 2 | 0 |
| 2 | 1 |
| 2 | 2 |
+---+---+
The expected result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
+---+---+
correctness
no
add test
Closes apache#32863 from dgd-contributor/SPARK-35652_join_and_joinWith_in_seft_joining.
Authored-by: dgd-contributor <dgd_contributor@viettel.com.vn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
(cherry picked from commit 6e1aa15)
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
fishcus
pushed a commit
to fishcus/spark
that referenced
this pull request
Jan 12, 2022
It seems like spark inner join is performing a cartesian join in self joining using `joinWith`
To produce this issues:
```
val df = spark.range(0,3)
df.joinWith(df, df("id") === df("id")).show()
```
Before this pull request, the result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 0 | 1 |
| 0 | 2 |
| 1 | 0 |
| 1 | 1 |
| 1 | 2 |
| 2 | 0 |
| 2 | 1 |
| 2 | 2 |
+---+---+
The expected result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
+---+---+
correctness
no
add test
Closes apache#32863 from dgd-contributor/SPARK-35652_join_and_joinWith_in_seft_joining.
Authored-by: dgd-contributor <dgd_contributor@viettel.com.vn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
(cherry picked from commit 6e1aa15)
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
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What changes were proposed in this pull request?
It seems like spark inner join is performing a cartesian join in self joining using
joinWithTo produce this issues:
Before this pull request, the result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 0 | 1 |
| 0 | 2 |
| 1 | 0 |
| 1 | 1 |
| 1 | 2 |
| 2 | 0 |
| 2 | 1 |
| 2 | 2 |
+---+---+
The expected result is
+---+---+
| _1 | _2 |
+---+---+
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
+---+---+
Why are the changes needed?
correctness
Does this PR introduce any user-facing change?
no
How was this patch tested?
add test