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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4583) TRUE by itself is not accepted in WHERE
Date Fri, 04 Jun 2010 14:20:59 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12875610#action_12875610
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Knut Anders Hatlen commented on DERBY-4583:
-------------------------------------------

I see. Thanks for explaining. So the statement below is valid and should return two booleans?

    VALUES 'TRUE', TRUE

If so, the behaviour makes sense. +1 from me.

> TRUE by itself is not accepted in WHERE
> ---------------------------------------
>
>                 Key: DERBY-4583
>                 URL: https://issues.apache.org/jira/browse/DERBY-4583
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.3.0
>         Environment: n/a
>            Reporter: Wouter
>            Assignee: Rick Hillegas
>         Attachments: derby-4583-01-ac-booleanLiterals.diff
>
>
> A SELECT query with a literal boolean value in its WHERE clause results in a syntax error.
> How to reproduce:
> CREATE TABLE list (value VARCHAR(10));
> Given this table, the following queries result in a syntax error.
> SELECT * FROM list WHERE TRUE;
> SELECT * FROM list WHERE FALSE;
> SELECT * FROM list WHERE value='A' OR TRUE;
> Why is TRUE/FALSE not a boolean expression?

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