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Posted to issues@spark.apache.org by "Marina Krasilnikova (Jira)" <ji...@apache.org> on 2022/01/13 09:54:00 UTC

[jira] [Created] (SPARK-37895) Error while joining two tables with non-english field names

Marina Krasilnikova created SPARK-37895:
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             Summary: Error while joining two tables with non-english field names
                 Key: SPARK-37895
                 URL: https://issues.apache.org/jira/browse/SPARK-37895
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.2.0, 3.3.0
            Reporter: Marina Krasilnikova


While trying to join two tables with non-english field names in postgresql with query like
"select view1.`Имя1` , view1.`Имя2`, view2.`Имя3` from view1 left join  view2 on view1.`Имя2`=view2.`Имя4`"
we get an error which says that there is no field "`Имя4`" (field name is surrounded by backticks).
It appears that to get the data from the second table it constructs query like
SELECT "Имя3","Имя4" FROM "public"."tab2"  WHERE ("`Имя4`" IS NOT NULL) 
and these backticks are redundant in WHERE clause.



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