Josh Rosen created SPARK-17194:
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             Summary: When emitting SQL for string literals, Spark should use 
single quotes, not double
                 Key: SPARK-17194
                 URL: https://issues.apache.org/jira/browse/SPARK-17194
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Josh Rosen
            Priority: Minor


When Spark emits SQL for a string literal, it should wrap the string in single 
quotes, not double quotes. Databases which adhere more strictly to the ANSI SQL 
standards, such as Postgres, allow only single-quotes to be used for denoting 
string literals (see http://stackoverflow.com/a/1992331/590203).



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