Github user caneGuy commented on a diff in the pull request:
https://github.com/apache/spark/pull/19362#discussion_r141301509
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -136,6 +134,8 @@ abstract class Optimizer(sessionCatal
Github user gengliangwang commented on a diff in the pull request:
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--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -136,6 +134,8 @@ abstract class Optimizer(sessio
Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19362#discussion_r141405220
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -136,6 +134,8 @@ abstract class Optimizer(sessionCa
Github user gengliangwang commented on a diff in the pull request:
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--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -136,6 +134,8 @@ abstract class Optimizer(sessio
Github user rxin commented on a diff in the pull request:
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--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -136,6 +134,8 @@ abstract class Optimizer(sessionCatalog:
Github user asfgit closed the pull request at:
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Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/19362#discussion_r141275477
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/JoinSuite.scala ---
@@ -200,6 +200,30 @@ class JoinSuite extends QueryTest with
SharedSQLContext {
GitHub user gengliangwang opened a pull request:
https://github.com/apache/spark/pull/19362
[SPARK-22141][SQL] Propagate empty relation before checking Cartesian
products
## What changes were proposed in this pull request?
When inferring constraints from children, Join's co
