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https://issues.apache.org/jira/browse/SPARK-13934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197570#comment-15197570
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Yang Wang commented on SPARK-13934:
-----------------------------------
I have checked, backticked identifiers don't have this problem. However, I
still think it should be fixed.
> SqlParser.parseTableIdentifier cannot recognize table name start with
> scientific notation
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-13934
> URL: https://issues.apache.org/jira/browse/SPARK-13934
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.1
> Reporter: Yang Wang
>
> SqlParser.parseTableIdentifier cannot recognize table name start with
> scientific notation like "1e30abcdedfg".
> This bug can be reproduced by code following:
> val conf = new SparkConf().setAppName(s"test").setMaster("local[2]")
> val sc = new SparkContext(conf)
> val hc = new HiveContext(sc)
> val tableName = "1e34abcd"
> hc.sql("select 123").registerTempTable(tableName)
> hc.dropTempTable(tableName)
> The last line will throw a RuntimeException.(java.lang.RuntimeException:
> [1.1] failure: identifier expected)
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