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', $iniCache), true);
  42
  43
  44
  45     }
  46
  47     function updateCharacterSet()
  48     {
  49         foreach (array_keys($this->schema) as $tbl){
  50
  51             if(strpos($tbl, '__keys') !== false ){
  52                 continue;
  53             }
  54
  55             $ce = DB_DataObject::factory('core_enum');
  56
  57             $ce->query("
  58                 SELECT
  59                         CCSA.character_set_name csname,
  60                         CCSA.collation_name collatename
  61                 FROM
  62                         information_schema.`TABLES` T,
  63                         information_schema.`COLLATION_CHARACTER_SET_APPLICABILITY` CCSA
  64                 WHERE
  65                         CCSA.collation_name = T.table_collation
  66                     AND
  67                         T.table_schema = '{$ce->database()}' -- COLLATE utf8_general_ci
  68                     AND
  69                         T.table_name = '{$tbl}' -- COLLATE utf8_general_ci
  70             ");
  71
  72             $ce->fetch();
  73
  74             if($ce->csname == 'utf8' && $ce->collatename == 'utf8_general_ci'){
  75                 echo "utf8: SKIP $tbl\n";
  76                 continue;
  77             }
  78             // this used to be utf8_unicode_ci
  79             //as the default collation for stored procedure parameters is utf8_general_ci and you can't mix collations.
  80
  81             $ce = DB_DataObject::factory('core_enum');
  82             // not sure why, but convert to does not actually change the 'charset=' bit..
  83             $ce->query("ALTER TABLE $tbl CHARSET=utf8");
  84             $ce->query("ALTER TABLE {$tbl} CONVERT TO CHARACTER SET  utf8 COLLATE utf8_general_ci");
  85             echo "utf8: FIXED {$tbl}\n";
  86
  87         }
  88     }
  89     function updateEngine()
  90     {
  91         foreach (array_keys($this->schema) as $tbl){
  92
  93             if(strpos($tbl, '__keys') !== false ){
  94                 continue;
  95             }
  96
  97             $ce = DB_DataObject::factory('core_enum');
  98
  99             $ce->query("select engine from information_schema.tables where table_schema='{$ce->database()}' and table_name = '{$tbl}'");
 100
 101             $ce->fetch();
 102
 103             if($ce->engine == 'InnoDB' ){
 104                 echo "InnoDB: SKIP $tbl\n";
 105                 continue;
 106             }
 107             // this used to be utf8_unicode_ci
 108             //as the default collation for stored procedure parameters is utf8_general_ci and you can't mix collations.
 109
 110             $ce = DB_DataObject::factory('core_enum');
 111             $ce->query("ALTER TABLE $tbl ENGINE=InnoDB");
 112             echo "InnoDB: FIXED {$tbl}\n";
 113
 114         }
 115     }
 116
 117 }
 118