Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/15363#discussion_r85391367
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/joins.scala
---
@@ -83,10 +88,221 @@ object ReorderJoin extends
Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/15363#discussion_r85388456
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -373,6 +373,11 @@ object SQLConf {
.booleanConf
Github user ioana-delaney commented on a diff in the pull request:
https://github.com/apache/spark/pull/15363#discussion_r84777635
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/StarJoinSuite.scala
---
@@ -0,0 +1,354 @@
+/*
+ * Licensed to the Apache Software
Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15363#discussion_r84382338
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/StarJoinSuite.scala
---
@@ -0,0 +1,354 @@
+/*
+ * Licensed to the Apache Software
GitHub user ioana-delaney opened a pull request:
https://github.com/apache/spark/pull/15363
[SPARK-17791][SQL] Join reordering using star schema detection
## What changes were proposed in this pull request?
Star schema consists of one or more fact tables referencing a
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