Github user viirya closed the pull request at:
https://github.com/apache/spark/pull/14452
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Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r94001153
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -1167,3 +1173,211 @@ object
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r77476688
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -89,6 +90,8 @@ abstract class Optimizer(sessionCatalog:
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r77446696
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/subquery/CommonSubquery.scala
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@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r77123756
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -89,6 +90,8 @@ abstract class Optimizer(sessionCatalog:
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r77121433
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/subquery/CommonSubquery.scala
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@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r77108228
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/subquery/CommonSubquery.scala
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@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache
Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r77107621
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/subquery/CommonSubquery.scala
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@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache
Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/14452#discussion_r76997680
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/subquery/CommonSubquery.scala
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@@ -0,0 +1,60 @@
+/*
+ * Licensed to the
GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/14452
[SPARK-16849][SQL] Improve subquery execution by deduplicating the
subqueries with the same results
## What changes were proposed in this pull request?
The subqueries in SparkSQL will be
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