[xsl] Writing out to and reading back from an XML file
by Chris Loschen other posts by this author
Aug 1 2004 6:07PM messages near this date
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Re: perl problem, continued - serializing...
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Hi again all,
I posted this the other day, but made the mistake of buryin---------------------
#
#use strict;
use DBI;
require ('mysql.inc');
# $ARGV is a perl var.. no need to declare
my $arg = $ARGV[0];
print "aaa arg = ".$arg."\n";
# setup the db connection process...(global)
# in case we need to do a rollback at some time...
my ($sth, $rv)="";
my $dbh = $arg;
# at this point, dbh should be the connection id...
print "aaa dbh = ".$dbh."\n";
# make a test call to the db to verify that it works...
#
my $test_sql = 'select * from stateTBL';
print "sql = $test_sql\n";
$sth = $dbh-> prepare($test_sql);
...
now, at this point, i assumed that the app would be ok. in fact, displaying
the '$arg' value and comparing it to the '$dbh' value in the parent app
appeared to give the same value, as seen when i ran the test, and viewed the
output. however, something is going on that i don't fully understand...
the test output is...:
[root@lserver2 test]# perl mysql_client.pl
open db
dbh = DBI::db=HASH(0x81a1bbc) <<<<<<<<<<<<<<<< parent app....
dbharray = ARRAY(0x80fbd3c)
aaa arg = DBI::db=HASH(0x81a1bbc) <<<<<<<<<<<<< child app.....
aaa _db = DBI::db=HASH(0x81a1bbc)
aaa dbh = DBI::db=HASH(0x81a1bbc)
sql = select * from stateTBL
Can't locate object method "prepare" via package "DBI::db=HASH(0x81a1bbc)"
(perhaps you forgot to load "DBI::db=HASH(0x81a1bbc)"?) at aaa.pl line 50.
sql = select * from stateTBL
so, as you can see, it appears that the apps have the same value, and that
we should be ok... but the error statement suggests that perl is doing
something with the value, that suggests i have totally screwed things up, or
that i can't simply "pass" the var from the parent to the child as i thought
i could!!!!!
any ideas/suggestions/comments/etc on how one should actually pass vars from
a parent to a child..????
thanks
-bruce
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Thread:
Chris Loschen
Michael Kay
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