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;
  11     var $links;
  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
  40         $this->schema = parse_ini_file($iniCache, true);
  41         $this->links = parse_ini_file(preg_replace('/\.ini$/', '.links.ini', $iniCache), true);
  42
  43
  44
  45     }
  46
  47     function updateCharacterSet()
  48     {
  49         $db = DB_DataObject::factory('core_enum')->getDatabaseConnection();
  50         $views = $db->getListOf(  'views');
  51
  52
  53         foreach (array_keys($this->schema) as $tbl){
  54
  55             if(strpos($tbl, '__keys') !== false ){
  56                 continue;
  57             }
  58
  59             if(in_array($tbl , $views)) {
  60                 continue;
  61             }
  62
  63             $ce = DB_DataObject::factory('core_enum');
  64
  65             $ce->query("
  66                 SELECT
  67                         CCSA.character_set_name csname,
  68                         CCSA.collation_name collatename
  69                 FROM
  70                         information_schema.`TABLES` T,
  71                         information_schema.`COLLATION_CHARACTER_SET_APPLICABILITY` CCSA
  72                 WHERE
  73                         CCSA.collation_name = T.table_collation
  74                     AND
  75                         T.table_schema = '{$ce->database()}' -- COLLATE utf8_general_ci
  76                     AND
  77                         T.table_name = '{$tbl}' -- COLLATE utf8_general_ci
  78             ");
  79
  80             if (!$ce->fetch()) {
  81                 continue;
  82             }
  83
  84             if($ce->csname == 'utf8' && $ce->collatename == 'utf8_general_ci'){
  85                 echo "utf8: SKIP $tbl\n";
  86                 continue;
  87             }
  88             // this used to be utf8_unicode_ci
  89             //as the default collation for stored procedure parameters is utf8_general_ci and you can't mix collations.
  90
  91             $ce = DB_DataObject::factory('core_enum');
  92             // not sure why, but convert to does not actually change the 'charset=' bit..
  93             $ce->query("ALTER TABLE $tbl CHARSET=utf8");
  94             $ce->query("ALTER TABLE {$tbl} CONVERT TO CHARACTER SET  utf8 COLLATE utf8_general_ci");
  95             echo "utf8: FIXED {$tbl}\n";
  96
  97         }
  98     }
  99     function updateEngine()
 100     {
 101         $db = DB_DataObject::factory('core_enum');
 102         $db->query("show variables like 'innodb_file_per_table'");
 103         $db->fetch();
 104         if ($db->Value == 'OFF') {
 105             die("Error: set innodb_file_per_table = 1 in my.cnf\n\n");
 106         }
 107
 108         // get a list of table views...
 109         // innodb in single files is far more efficient that MYD or one big innodb file.
 110         // first check if database is using this format.
 111
 112
 113
 114         $db = DB_DataObject::factory('core_enum')->getDatabaseConnection();
 115         $views = $db->getListOf(  'views');
 116
 117
 118
 119
 120         foreach (array_keys($this->schema) as $tbl){
 121
 122             if(strpos($tbl, '__keys') !== false ){
 123                 continue;
 124             }
 125             if(in_array($tbl , $views)) {
 126                 continue;
 127             }
 128
 129             $ce = DB_DataObject::factory('core_enum');
 130
 131             $ce->query("
 132                 select
 133                     engine
 134                 from
 135                     information_schema.tables
 136                 where
 137                     table_schema='{$ce->database()}'
 138                     and
 139                     table_name = '{$tbl}'
 140             ");
 141
 142             if (!$ce->fetch()) {
 143                 continue;
 144             }
 145
 146             if($ce->engine == 'InnoDB' ){
 147                 echo "InnoDB: SKIP $tbl\n";
 148                 continue;
 149             }
 150             // this used to be utf8_unicode_ci
 151             //as the default collation for stored procedure parameters is utf8_general_ci and you can't mix collations.
 152
 153             $ce = DB_DataObject::factory('core_enum');
 154             $ce->query("ALTER TABLE $tbl ENGINE=InnoDB");
 155             echo "InnoDB: FIXED {$tbl}\n";
 156
 157         }
 158     }
 159
 160 }
 161