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https://issues.apache.org/jira/browse/HIVE-14948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15742804#comment-15742804
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Eugene Koifman commented on HIVE-14948:
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Support for quoted identifier was added in HIVE-6013.
Even though QuotedIdentifier TokenType was created there no ASTNode of that
type is generated.
The ` (back tick) is stripped away in the grammar - see HiveLexer.g where
QuotedIdentifier is defined.
> properly handle special characters in identifiers
> -------------------------------------------------
>
> Key: HIVE-14948
> URL: https://issues.apache.org/jira/browse/HIVE-14948
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Attachments: HIVE-14948.01.patch, HIVE-14948.02.patch
>
>
> The treatment of quoted identifiers in HIVE-14943 is inconsistent. Need to
> clean this up and if possible only quote those identifiers that need to be
> quoted in the generated SQL statement
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