Serge Rielau created SPARK-40585:
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             Summary: Support double-quoted identifiers
                 Key: SPARK-40585
                 URL: https://issues.apache.org/jira/browse/SPARK-40585
             Project: Spark
          Issue Type: New Feature
          Components: Spark Core
    Affects Versions: 3.4.0
            Reporter: Serge Rielau


In many SQL identifiers can be unquoted or quoted with double quotes. 
In Spark double quoted literals imply strings.
In this proposal we allow for a config:

double_quoted_identifiers
which, when set, switches the interpretation from string to identifier.

Note that back ticks are still allowed.
Also the treatment of escapes is not changed as part of this work.



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