[DB-SIG] a little trouble passing values to Oracle using bind variables

Michael.Coll-Barth@VerizonWireless.com Michael.Coll-Barth at VerizonWireless.com
Tue May 17 15:13:37 CEST 2005


All,

As the subject line says, I am having some trouble passing bind variables to
Oracle.  When I pass a printable string value, such as 'NM', I get data.
When I try to pass a non-printable character, such as 'return' - chr(13), I
get no data back.  I can't simply make NactionCode = chr(13), as python
would change the value of NactionCode to '\r' and Oracle sees this as a two
byte character, and not chr(13).  I have looked into how Oracle might accept
something like '\x00' for chr(0), but to no avail.  

Any thoughts?

thanks,
Michael



def goGetIt( NactivityDt, NactionCode ):

    dataQuery = '''select a, b, c
                   from %s 
                   where activityDt      = :NactivityDt
                     and actionCode      = :NactionCode
                   order by %s
                ''' % ( schema.tableName )

    dbm.cursor.execute(dataQuery, NactivityDt = activityDt, NactionCode =
actionCode )
    result = dbm.cursor.fetchall()

    return result

NactivityDt = '12-apr-2005'
NactionCode = 'NM'
act1 = goGetIt( NactivityDt, NactionCode )

NactivityDt = '12-apr-2005'
NactionCode = 'chr(13)'
act2 = goGetIt( NactivityDt, NactionCode )

NactivityDt = '12-apr-2005'
NactionCode = chr(13)
act3 = goGetIt( NactivityDt, NactionCode )
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