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https://issues.apache.org/jira/browse/SPARK-6865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-6865.
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Resolution: Fixed
Fix Version/s: 1.4.0
Assignee: Reynold Xin
This is now decided.
> Decide on semantics for string identifiers in DataFrame API
> -----------------------------------------------------------
>
> Key: SPARK-6865
> URL: https://issues.apache.org/jira/browse/SPARK-6865
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Reynold Xin
> Priority: Blocker
> Fix For: 1.4.0
>
>
> There are two options:
> - Quoted Identifiers: meaning that the strings are treated as though they
> were in backticks in SQL. Any weird characters (spaces, or, etc) are
> considered part of the identifier. Kind of weird given that `*` is already a
> special identifier explicitly allowed by the API
> - Unquoted parsed identifiers: would allow users to specify things like
> tableAlias.* However, would also require explicit use of `backticks` for
> identifiers with weird characters in them.
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