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https://issues.apache.org/jira/browse/SPARK-14741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15249139#comment-15249139
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Apache Spark commented on SPARK-14741:
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User 'tdas' has created a pull request for this issue:
https://github.com/apache/spark/pull/12517
> Streaming from partitioned directory structure captures unintended partition
> columns
> ------------------------------------------------------------------------------------
>
> Key: SPARK-14741
> URL: https://issues.apache.org/jira/browse/SPARK-14741
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Tathagata Das
> Assignee: Tathagata Das
>
> Consider the following directory structure
> dir/col=X/some-files
> If we create a text format streaming dataframe on {dir/col=X/}, then it
> should not consider as partitioning in columns. Even though the streaming
> dataframe does not do so, the generated batch dataframes pick up col as a
> partitioning columns, causing mismatch streaming source schema and generated
> df schema. This leads to runtime failure:
> 18:55:11.262 ERROR org.apache.spark.sql.execution.streaming.StreamExecution:
> Query query-0 terminated with error
> java.lang.AssertionError: assertion failed: Invalid batch: c#2 != c#7,type#8
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