Re: MS Access to PostgreSQL

--- William Shatner <shatner(dot)william(at)gmail(dot)com> wrote:
> I have recently migrated from MS Access to
> PostgreSQL.Previously I had
> a SQL command
>
> ResultSet aGroupResultSet =
> aGroupPathStmt.executeQuery(
> "SELECT \"groupID\",\"fullpath\" FROM
> \"groups\" WHERE
> \"fullpath\" Like '" +
> aPath + "'");
>
>
>
> where aPath was equal to 'folder\another folder\%'.
>
> The field to be edited stores the full path in the
> format
> 'folder\folder1\folder2' and so on...
> The purpose being to change all groups at this level
> of the
> hieracarchy and below, this was achieved using the
> '%' in Access, this
> however doesn't seem to work in PostgreSQL, it
> doesn't error out but
> it just seems to see the '%' as a normal character.
>
> How can this be done in PostgreSQL?
>

I suspect that, unlike Access, PostgreSQL will
intrepret C-style escape sequences (ie: \r, \n, \t) so
you'll need to properly escape the backslash in aPath
like so:

folder1\\folder2\\folder3

Regards,

Shelby Cain

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