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https://issues.apache.org/jira/browse/SPARK-15712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin updated SPARK-15712:
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Target Version/s: 2.1.0
> Proper temp table support
> -------------------------
>
> Key: SPARK-15712
> URL: https://issues.apache.org/jira/browse/SPARK-15712
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
>
> For proper temp table support, I am proposing to create a temp dir for every
> SparkSession. This can be done through the following changes:
> 1. We add a root temp dir (the path is configurable).
> 2. For every SparkSession, we create a temp dir for this SparkSession in the
> root temp dir.
> To make the semantic of CREATE TEMP TABLE ... USING ... OPTIONS ... AS SELECT
> easier to understand, I am proposing the following changes:
> 1. We only allow HadoopFsRelations used by this command.
> 2. We make USING clause a optional clause and by default we use the format
> set in spark.sql.sources.default.
> 3. We do not allow users to add path in the OPTIONS
> 4. We save the temp table in the temp location associated with the current
> SparkSession.
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