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[SPARK-19236][Core] Added createOrReplaceGlobalTempView method #16598

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[SPARK-19236][Core] Added createOrReplaceGlobalTempView method #16598

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15 changes: 15 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -2603,6 +2603,21 @@ class Dataset[T] private[sql](
def createGlobalTempView(viewName: String): Unit = withPlan {
createTempViewCommand(viewName, replace = false, global = true)
}

/**
* Creates or replaces a global temporary view using the given name. The lifetime of this
* temporary view is tied to this Spark application.
*
* Global temporary view is cross-session. Its lifetime is the lifetime of the Spark application,
* i.e. it will be automatically dropped when the application terminates. It's tied to a system
* preserved database `_global_temp`, and we must use the qualified name to refer a global temp
* view, e.g. `SELECT * FROM _global_temp.view1`.
*
* @group basic
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@rxin rxin Jan 16, 2017

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should add since version 2.2.0

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@rxin rxin Jan 16, 2017

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actually 2.1.1

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@gatorsmile gatorsmile Jan 17, 2017

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We should also port it to Python? https://github.com/apache/spark/blob/master/python/pyspark/sql/dataframe.py

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@arman1371 arman1371 May 13, 2017

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But it seems it's not added in 2.1.1

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@gatorsmile gatorsmile May 14, 2017

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Global temp view support was added in 2.1. See the PR #14897

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@arman1371 arman1371 May 15, 2017 •
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The createOrReplaceGlobalTempView method is not in Scala API
@rxin said it should be added since 2.1.1

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@gatorsmile gatorsmile May 15, 2017

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JAVA API?

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@arman1371 arman1371 May 16, 2017 •
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No, in the Scala API
I edited the comment

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@gatorsmile gatorsmile May 16, 2017

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This API is added by you in this PR. This is for Scala API. Could you also add the corresponding one to Python API?

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@arman1371 arman1371 May 27, 2017

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Sorry, I'm not expert in Python

*/
def createOrReplaceGlobalTempView(viewName: String): Unit = withPlan {
createTempViewCommand(viewName, replace = true, global = true)
}

private def createTempViewCommand(
viewName: String,
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