I believe that the current version of MySQLdb supports:
for row in cursor:
id, protocol, name, description = row
fall back on:
for row in cursor.fetchall():
if the first suggestion fails.
I'm not sure that this is clear from the DBI documentation.
On Sun, 2005-09-18 at 17:53 -0400, Ed Hotchkiss wrote:
> I have used fetchall() to insert the values from a table into a tuple.
> anywhere from 0 - ? many rows could be in this tuple, so it is a row
> within a row. How do I use a loops to iterate through the nested
> tuple, and assign the tuples integers and strings to variables, ugh :P
>
> The Tables data is like this:
>
> +---------------------------------------------------------------------------------------------------------------------+
> | ID (INT) | Protocol (TEXT) | Name (LONGTEXT) Description
> (LONGTEXT) |
> +---------------------------------------------------------------------------------------------------------------------+
>
>
>
>
>
> import MySQLdb
>
> import sys
>
>
>
> # find out what this ports function is ----
>
> def grabPortInfo(port):
>
> try:
>
> conn=MySQLdb.connect( host="www.freesql.org",
>
> user="portnumbers",
>
> port=3306,
>
> passwd="*********",
>
> db="portnumbers")
>
> except MySQLdb.Error, e:
>
> print "Error %d: %s" % (e.args[0], e.args[1])
>
> print "\n\n WTF!? - portnumbers MySQL DB didn't open"
>
> sys.exit (1)
>
> # ------------------
>
> cursor = conn.cursor()
>
> stmt = "SELECT * FROM portnumbers WHERE port=%i" %port
>
> cursor.execute(stmt)
>
> numrows = int(cursor.rowcount)
>
> if numrows == 0:
>
> print "port # not found in database"
>
> elif numrows >= 1:
>
> result = cursor.fetchall()
>
> print len(result)
>
> # break tuple into strings with output
>
> myPort = port
>
> myProtocol = result[0|3]
>
> myName = result[0|4]
>
> myDescription = result[0|5]
>
> print "PORT # | PROTOCOL | PORT NAME | PORT DESCRIPTION "
>
> print myPort, myProtocol, myName, myDescription
>
> cursor.close()
>
> conn.close()
>
> # end function -------------
>
>
>
> grabPortInfo(22)
>
>
>
>
>
--
Lloyd Kvam
Venix Corp
--
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