git.roojs.org Git - Pman.Core/blob - UpdateDatabase/MysqlEngineCharset.php

   1 <?php
   2 /**
   3   fixes character set and engine=InnoDB.. in Mysql
   4   more efficent
   5  */
   6
   7 class Pman_Core_UpdateDatabase_MysqlEngineCharset {
   8
   9     var $dburl;
  10     var $schema = array();
  11     var $links = array();
  12     var $views = array();
  13
  14     function __construct()
  15     {
  16
  17         $this->loadIniFiles(); //?? shared???
  18
  19         $dbo = DB_DataObject::factory('core_enum');
  20         if (is_a($dbo, 'PDO_DataObject')) {
  21
  22             $this->views = $dbo->generator()->introspection()->getListOf('views');
  23         } else {
  24             $db = DB_DataObject::factory('core_enum')->getDatabaseConnection();
  25             $this->views = $db->getListOf( 'views');  // needs updated pear...
  26         }
  27
  28         // update the engine first - get's around 1000 character limit on indexes..cd
  29         // however - Innodb does not support fulltext indexes, so this may fail...
  30         $this->updateEngine();
  31
  32         $this->updateCharacterSet();
  33
  34
  35     }
  36
  37     function loadIniFiles()
  38     {
  39         // will create the combined ini cache file for the running user.
  40
  41         $ff = HTML_FlexyFramework::get();
  42         $ff->generateDataobjectsCache(true);
  43         $this->dburl = parse_url($ff->database);
  44
  45
  46         $dbini = 'ini_'. basename($this->dburl['path']);
  47
  48
  49         $iniCache = isset( $ff->PDO_DataObject) ?  $ff->PDO_DataObject['schema_location'] : $ff->DB_DataObject[$dbini];
  50         if (!file_exists($iniCache)) {
  51             return;
  52         }
  53
  54         $this->schema = parse_ini_file($iniCache, true);
  55         $this->links = parse_ini_file(preg_replace('/\.ini$/', '.links.ini', $iniCache), true);
  56
  57
  58
  59     }
  60
  61     function updateCharacterSet()
  62     {
  63         $views = $this->views;
  64
  65
  66         foreach (array_keys($this->schema) as $tbl){
  67
  68             if(strpos($tbl, '__keys') !== false ){
  69                 continue;
  70             }
  71
  72             if(in_array($tbl , $views)) {
  73                 continue;
  74             }
  75
  76             $ce = DB_DataObject::factory('core_enum');
  77
  78             $ce->query("
  79                 SELECT
  80                         CCSA.character_set_name csname,
  81                         CCSA.collation_name collatename
  82                 FROM
  83                         information_schema.`TABLES` T,
  84                         information_schema.`COLLATION_CHARACTER_SET_APPLICABILITY` CCSA
  85                 WHERE
  86                         CCSA.collation_name = T.table_collation
  87                     AND
  88                         T.table_schema = '{$ce->database()}' -- COLLATE utf8_general_ci
  89                     AND
  90                         T.table_name = '{$tbl}' -- COLLATE utf8_general_ci
  91             ");
  92
  93             if (!$ce->fetch()) {
  94                 continue;
  95             }
  96
  97             if($ce->csname == 'utf8' && $ce->collatename == 'utf8_general_ci'){
  98                 echo "utf8: SKIP $tbl\n";
  99                 continue;
 100             }
 101             // this used to be utf8_unicode_ci
 102             //as the default collation for stored procedure parameters is utf8_general_ci and you can't mix collations.
 103
 104             $ce = DB_DataObject::factory('core_enum');
 105             // not sure why, but convert to does not actually change the 'charset=' bit..
 106             $ce->query("ALTER TABLE $tbl CHARSET=utf8");
 107             $ce->query("ALTER TABLE {$tbl} CONVERT TO CHARACTER SET  utf8 COLLATE utf8_general_ci");
 108             echo "utf8: FIXED {$tbl}\n";
 109
 110         }
 111     }
 112     function updateEngine()
 113     {
 114         $db = DB_DataObject::factory('core_enum');
 115         $db->query("show variables like 'innodb_file_per_table'");
 116         $db->fetch();
 117         if ($db->Value == 'OFF') {
 118             die("Error: set innodb_file_per_table = 1 in my.cnf\n\n");
 119         }
 120
 121         // get a list of table views...
 122         // innodb in single files is far more efficient that MYD or one big innodb file.
 123         // first check if database is using this format.
 124
 125
 126
 127
 128
 129
 130         foreach (array_keys($this->schema) as $tbl){
 131
 132             if(strpos($tbl, '__keys') !== false ){
 133                 continue;
 134             }
 135             if(in_array($tbl , $views)) {
 136                 continue;
 137             }
 138
 139             $ce = DB_DataObject::factory('core_enum');
 140
 141             $ce->query("
 142                 select
 143                     engine
 144                 from
 145                     information_schema.tables
 146                 where
 147                     table_schema= DATABASE()
 148                     and
 149                     table_name = '{$tbl}'
 150             ");
 151
 152             if (!$ce->fetch()) {
 153                 continue;
 154             }
 155
 156             if($ce->engine == 'InnoDB' ){
 157                 echo "InnoDB: SKIP $tbl\n";
 158                 continue;
 159             }
 160             // this used to be utf8_unicode_ci
 161             //as the default collation for stored procedure parameters is utf8_general_ci and you can't mix collations.
 162
 163             $ce = DB_DataObject::factory('core_enum');
 164             $ce->query("ALTER TABLE $tbl ENGINE=InnoDB");
 165             echo "InnoDB: FIXED {$tbl}\n";
 166
 167         }
 168     }
 169
 170 }
 171