[jira] [Created] (CALCITE-5779) Implicit column alias for single-column table function does not work

["Dmitry Sysolyatin (Jira)" <ji...@apache.org>]

Dmitry Sysolyatin created CALCITE-5779:
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             Summary: Implicit column alias for single-column table function does not work
                 Key: CALCITE-5779
                 URL: https://issues.apache.org/jira/browse/CALCITE-5779
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.34.0
            Reporter: Dmitry Sysolyatin


Implicit column alias for single-column table function works only for UNNEST. But should work for every table function.

For example, PostgreSQL returns the same result for
{code:java}
SELECT i FROM UNNEST(ARRAY(1,2)) as i;
SELECT i FROM generate_series(1,2) as i;

 i 
---
 1
 2
(2 rows)
{code}
Calcite throws"Column 'i' not found in any table" exception for
{code:java}
SELECT i FROM generate_series(1,2) as i
{code}



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