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