Created
May 23, 2011 05:32
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DBI example
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| #!/usr/bin/perl | |
| use strict; | |
| use warnings; | |
| use DBI; | |
| # connect | |
| my $dbh = DBI->connect( | |
| 'dbi:mysql:dbname=xyz', | |
| 'user', | |
| 'password' | |
| ); | |
| # prepared statement (bind multiple values) | |
| my @list = qw(1 3 4 8 9); | |
| my $query = "SELECT id,name FROM users WHERE id IN (" . join(",", map { "?" } @list) . ")"; | |
| my $sth = $dbh->prepare($query); | |
| $sth->execute(@list); | |
| while(my ($id, $name) = $sth->fetchrow_array){ | |
| print "id = $id, name = $name\n"; | |
| } | |
| $sth->finish; | |
| $dbh->disconnect; | |
| # | |
| my @cols = qw/ | |
| user_id reg_date user_st serv_st | |
| carrier model_name subscr_id | |
| nickname | |
| /; | |
| my $cols_csv = join(',', map { $_ } @cols); | |
| my $place_holders_csv = join(',', map { '?' } @cols); | |
| my $dbh = DA::getHandle($_::DB_USER_W); | |
| my $sth = $dbh->prepare(<<"SQL"); | |
| insert ignore into user_data ($cols_csv) values ($place_holders_csv) | |
| SQL | |
| $sth->execute(map { $user->{$_} } @cols); |
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