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https://issues.apache.org/jira/browse/SPARK-14563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng updated SPARK-14563:
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Description:
`transformSchema` uses `__THIS__` as a temp table name, which would cause
errors under HiveContext (in Spark 1.6):
{code}
org.apache.spark.sql.AnalysisException: cannot recognize input near '__THIS__'
'<EOF>' '<EOF>' in join source; line 1 pos 39
{code}
It also exposes race conditions.
was:
`transformSchema` uses `__THIS__` as a temp table name, which would cause
errors in a pipeline.
{code}
org.apache.spark.sql.AnalysisException: cannot recognize input near '__THIS__'
'<EOF>' '<EOF>' in join source; line 1 pos 39
{code}
> SQLTransformer.transformSchema is not implemented correctly
> -----------------------------------------------------------
>
> Key: SPARK-14563
> URL: https://issues.apache.org/jira/browse/SPARK-14563
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 1.6.1, 2.0.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
>
> `transformSchema` uses `__THIS__` as a temp table name, which would cause
> errors under HiveContext (in Spark 1.6):
> {code}
> org.apache.spark.sql.AnalysisException: cannot recognize input near
> '__THIS__' '<EOF>' '<EOF>' in join source; line 1 pos 39
> {code}
> It also exposes race conditions.
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