[jira] [Created] (SPARK-34335) Support referencing subquery with column aliases by table alias

["Allison Wang (Jira)" <ji...@apache.org>]

Allison Wang created SPARK-34335:
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             Summary: Support referencing subquery with column aliases by table alias
                 Key: SPARK-34335
                 URL: https://issues.apache.org/jira/browse/SPARK-34335
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.1.2
            Reporter: Allison Wang


Allow referencing subquery with column aliases by table alias. For example
{code:sql}
-- This is supported
SELECT t.c1, t.c2 FROM (SELECT 1 AS c1, 1 AS c2) t

-- AnalysisException: cannot resolve '`t.c1`' given input columns: [c1, c2];
SELECT t.c1, t.c2 FROM (SELECT 1 AS a, 1 AS b) t(c1, c2)
{code}



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