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https://issues.apache.org/jira/browse/SPARK-16603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15382147#comment-15382147
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Sean Owen commented on SPARK-16603:
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[~marymwu] before you open more of these, maybe you should pause and research /
ask about whether the validation rules for naming have changed? these may not
be bugs
> Spark2.0 fail in executing the sql statement which field name begins with
> number,like "d.30_day_loss_user" while spark1.6 supports
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-16603
> URL: https://issues.apache.org/jira/browse/SPARK-16603
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: marymwu
> Priority: Minor
>
> Spark2.0 fail in executing the sql statement which field name begins with
> number,like "d.30_day_loss_user" while spark1.6 supports
> Error: org.apache.spark.sql.catalyst.parser.ParseException: mismatched input
> '.30' expecting
> {')', ','}
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