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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4654) Restriction.toSQL() doesn't escape special characters
Date Wed, 12 May 2010 10:52:43 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-4654:
--------------------------------------

    Attachment: derby-4654.diff

Attaching a patch with a test case that tests whether the returned restriction can be put
into the WHERE clause of a SELECT statement. The patch also makes Restriction use the helper
method in IdUtil to quote the string, and that makes the test case pass.

Running regression tests now.

> Restriction.toSQL() doesn't escape special characters
> -----------------------------------------------------
>
>                 Key: DERBY-4654
>                 URL: https://issues.apache.org/jira/browse/DERBY-4654
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.6.1.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: derby-4654.diff
>
>
> org.apache.derby.vti.Restriction.toSQL() adds double quotes around column names, but
it does not escape the special characters (like double quotes) in the column names, so the
returned string may not be valid SQL. This could cause problems when using the restriction
to generate a query against an external database.
> Restriction.doubleQuote() should use IdUtil.normalToDelimited() to get proper quoting
of the names.

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