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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2014/12/19 20:02:13 UTC

[jira] [Created] (CALCITE-546) Allow table, column and field called "*"

Julian Hyde created CALCITE-546:
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             Summary: Allow table, column and field called "*"
                 Key: CALCITE-546
                 URL: https://issues.apache.org/jira/browse/CALCITE-546
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde


Currently if we see an asterisk in an identifier, we translate it to an identifier name segment called "*". If there happens to be a table, column or field called "*" we're sunk.

Star can only validly occur in the SELECT clause (not in FROM or WHERE). Examples: {{select emp.* from emp}}, {{select x from sales.*}}, {{select 1 from emp where emp.* is not null}}.

This task is to test with tables, columns, fields called "*", and use a special value in SqlIdentifier. Maybe the empty string would work. Names cannot be empty.



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