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Dir : ~/usr/share/doc/perl-DBD-MySQL-4.023/eg/

View File Name : proc_example2b.pl

#!/usr/bin/perl

use strict;
use DBI;
use Data::Dumper;

my $db='test';
my $host='localhost';
my $user='root';
my $password='';
my $i= 0;

my $dbh = DBI->connect("DBI:mysql:$db:$host",
    "$user", "$password",
    { PrintError => 0}) || die $DBI::errstr;

$dbh->trace(3,"proc2.trace");

# DROP TABLE IF EXISTS 
$dbh->do("DROP TABLE IF EXISTS users") or print $DBI::errstr;
# CREATE TABLE
$dbh->do("CREATE TABLE users (id INT, name VARCHAR(32))") or print $DBI::errstr;

my $sth= $dbh->prepare("INSERT INTO users VALUES (?, ?)");

for $i(1 .. 20)
{
  my @chars = grep !/[0O1Iil]/, 0..9, 'A'..'Z', 'a'..'z';
  my $random_chars = join '', map { $chars[rand @chars] } 0 .. 31;

  my $rows = $sth->execute($i, $random_chars);
}

$dbh->do("DROP PROCEDURE IF EXISTS users_proc") or print $DBI::errstr;

$dbh->do("CREATE PROCEDURE users_proc() DETERMINISTIC 
    BEGIN 
    SELECT id, name FROM users;
    SELECT name, id FROM users;
    END") or print $DBI::errstr;

$sth = $dbh->prepare('call users_proc()') || 
die $DBI::err.": ".$DBI::errstr;

$sth->execute || die DBI::err.": ".$DBI::errstr;
$i= 1;
do
{
  print "\nResult set $i\n---------------------\n";
  for (0 .. 19)
  {
    my $rowref=$sth->fetchrow_arrayref();
    print "$rowref->[0] $rowref->[1]\n";
  }
  $i++;
} while ($sth->more_results())