[jira] [Created] (CALCITE-3840) Re-aliasing of VALUES that has column aliases produces wrong SQL in the JDBC adapter

["Christian Beikov (Jira)" <ji...@apache.org>]

Christian Beikov created CALCITE-3840:
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             Summary: Re-aliasing of VALUES that has column aliases produces wrong SQL in the JDBC adapter
                 Key: CALCITE-3840
                 URL: https://issues.apache.org/jira/browse/CALCITE-3840
             Project: Calcite
          Issue Type: Bug
          Components: jdbc-adapter
    Affects Versions: 1.21.0
            Reporter: Christian Beikov


Rendering a VALUES relnode to e.g. PostgreSQL will produce \{{FROM (VALUES((1))) AS t(col_alias)}} where "t" is a static alias. When e.g. joining with such a VALUES, the RelToSqlConverter tries to re-alias this with a unique alias, but fails because it produces \{{FROM (VALUES((1))) AS t(col_alias) AS newAlias}}.

The fix is to replace the static table alias instead.



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