Re: Binding Array in SQLTemplate

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Fri Dec 11 2009 - 07:51:26 EST

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    Ah good catch. Looking at the BindDirective code, it doesn't properly
    support arrays, only collections. I guess we need to change that and
    treat arrays the same way.

    Andrus

    On Dec 11, 2009, at 5:42 AM, Evgeny Ryabitskiy wrote:

    > No answer...
    > But history points to Andrus :)
    >
    > Evgeny.
    >
    > 10 ÄÅËÁÂÒÑ 2009 Ç. 10:55 ÐÏÌØÚÏ×ÁÔÅÌØ òÑÂÉÃËÉÊ å×ÇÅÎÉÊ
    > <eryabitski..iasoft.ru> ÎÁÐÉÓÁÌ:
    >> Hello!
    >> I try to use array (like String[]) as a bind parameter.
    >>
    >> In follow lines:
    >>
    >> String[] artistNames = new String[2];
    >> artistNames[0] = "Artist1";
    >> artistNames[1] = "Artist3";
    >> String sql = "SELECT * FROM ARTIST WHERE ARTIST_NAME in
    >> (#bind($ARTISTNAMES))";
    >> SQLTemplate query = new SQLTemplate(Artist.class, sql);
    >> query.setParameters(Collections.singletonMap("ARTISTNAMES",
    >> artistNames));
    >> List result =
    >> getDomain().createDataContext().performQuery(query);
    >>
    >> I got this query in logs:
    >>
    >> INFO: SELECT * FROM ARTIST WHERE ARTIST_NAME in (?) [bind: 1:<
    >> 'Artist1','Artist3'>]
    >> 10.12.2009 10:48:09 org.apache.cayenne.access.QueryLogger
    >> logSelectCount
    >> INFO: === returned 0 rows. - took 0 ms.
    >>
    >>
    >> So... What does it mean? [bind: 1:< 'Artist1','Artist3'>] ?
    >> I mean what is a purpose of using array in bind? For what queries
    >> it should be used?
    >>
    >> Evgeny.
    >>
    >



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