{"id":107,"date":"2001-01-04T15:02:48","date_gmt":"2001-01-04T13:02:48","guid":{"rendered":"http:\/\/www.hermione.de\/blog\/?p=107"},"modified":"2008-05-25T01:08:52","modified_gmt":"2008-05-24T23:08:52","slug":"perl-dbi-mysql","status":"publish","type":"post","link":"http:\/\/blog.hermione.de\/?p=107","title":{"rendered":"perl DBI [mysql]"},"content":{"rendered":"

mysql connect\/disconnect<\/h4>\n

use DBI;
\n$dbh = DBI->connect(„DBI:mysql:database=$database:$host“,$username,$password)
\nor die „Fehler beim db connect: $!“;
\n$dbh->disconnect();<\/em><\/p>\n

do<\/h4>\n

$mysql_query = „DELETE FROM adressen WHERE ID=202“;<\/em>
\n$rv = $dbh->do($mysql_query);<\/em>
\nR\u00fcckgabewert $rv Anzahl der ver\u00e4nderten Zeilen<\/p>\n

prepare-execute<\/h4>\n

$mysql_query = „SELECT count(*) FROM uniques WHERE name=?“;<\/em>
\n$sth = $dbh->prepare($mysql_query);<\/em>
\n$rv = $sth->execute(„Bohne“);<\/em>
\nR\u00fcckgabewert $rv wahr bei Erfolg: if ($rv) {\/\/ erfolgreich}<\/p>\n

Zeilenweises Auslesen mit fetchrow_array<\/h4>\n

while (@row = $sth->fetchrow_array) {
\nprint „name: $row[0] \\n“;
\nprint „owner: $row[1] \\n“;
\n}<\/p>\n

Zeilenweises Auslesen als Hash mit fetchrow_hashref<\/h4>\n

while ($hash = $sth->fetchrow_hashref) {
\n$myName = $hash->{„name“};
\n$myOwner = $hash->{„owner“};
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"

mysql connect\/disconnect use DBI; $dbh = DBI->connect(„DBI:mysql:database=$database:$host“,$username,$password) or die „Fehler beim db connect: $!“; $dbh->disconnect(); do $mysql_query = „DELETE FROM adressen WHERE ID=202“; $rv = $dbh->do($mysql_query); R\u00fcckgabewert $rv Anzahl der ver\u00e4nderten Zeilen prepare-execute $mysql_query = „SELECT count(*) FROM uniques WHERE name=?“; $sth = $dbh->prepare($mysql_query); $rv = $sth->execute(„Bohne“); R\u00fcckgabewert $rv wahr bei Erfolg: if ($rv) {\/\/ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,11],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.hermione.de\/index.php?rest_route=\/wp\/v2\/posts\/107"}],"collection":[{"href":"http:\/\/blog.hermione.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.hermione.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.hermione.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.hermione.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=107"}],"version-history":[{"count":0,"href":"http:\/\/blog.hermione.de\/index.php?rest_route=\/wp\/v2\/posts\/107\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.hermione.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.hermione.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=107"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.hermione.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}