* finish task #1893.

2014-06-20 02:18:08 +00:00
parent e28cfa8efc
commit eee2645fdb
5 changed files with 85 additions and 100 deletions
@@ -710,6 +710,43 @@ class upgradeModel extends model
        return true;
    }

+    public function toLowerTable($build = 'basic')
+    {
+        $results    = $this->dbh->query("show Variables like '%table_names'")->fetchAll();
+        $hasLowered = false;
+        foreach($results as $result)
+        {
+            if(strtolower($result->Variable_name) == 'lower_case_table_names' and $result->Value == 1)
+            {
+                $hasLowered = true;
+                break;
+            }
+        }
+        if($hasLowered) return true;
+
+        if($build == 'basic') $tables2Rename = $this->config->upgrade->lowerTables;
+        if(!isset($tables2Rename)) return false;
+
+        $tablesExists = $this->dbh->query('SHOW TABLES')->fetchAll();
+        foreach($tablesExists as $key => $table) $tablesExists[$key] = current((array)$table);
+        $tablesExists = array_flip($tablesExists);
+
+        foreach($tables2Rename as $oldTable => $newTable)
+        {
+            if(!isset($tablesExists[$oldTable])) continue;
+            
+            $upgradebak = $newTable . '_othertablebak';
+            if(isset($tablesExists[$upgradebak])) $this->dbh->query("DROP TABLE `$upgradebak`");
+            if(isset($tablesExists[$newTable])) $this->dbh->query("RENAME TABLE `$newTable` TO `$upgradebak`");
+
+            $tempTable = $oldTable . '_zentaotmp';
+            $this->dbh->query("RENAME TABLE `$oldTable` TO `$tempTable`");
+            $this->dbh->query("RENAME TABLE `$tempTable` TO `$newTable`");
+        }
+
+        return true;
+    }
+
    /**
     * Process finishedBy and finishedDate of task.
     *