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PHP MDB2_Schema::isError方法代码示例

本文整理汇总了PHP中MDB2_Schema::isError方法的典型用法代码示例。如果您正苦于以下问题:PHP MDB2_Schema::isError方法的具体用法?PHP MDB2_Schema::isError怎么用?PHP MDB2_Schema::isError使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MDB2_Schema的用法示例。


在下文中一共展示了MDB2_Schema::isError方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: initializeDatabase

 /**
  * Create or upgrade the database needed for pearweb
  *
  * This helper function scans for previous database versions,
  * and upgrades the database based on differences between the
  * previous version's schema and the one distributed with this
  * version.
  *
  * If the database has never been created, then it is created.
  *
  * @param array $answers
  * @return boolean
  */
 function initializeDatabase($answers)
 {
     $this->dsn = array('phptype' => $answers['driver'], 'username' => $answers['user'], 'password' => $answers['password'], 'hostspec' => $answers['host'], 'database' => $answers['database']);
     $a = MDB2_Schema::factory($this->dsn, array('idxname_format' => '%s', 'seqname_format' => 'id', 'quote_identifier' => true));
     // for upgrade purposes
     if (!file_exists('@www-dir@' . DIRECTORY_SEPARATOR . 'sql' . DIRECTORY_SEPARATOR . '.pearweb-upgrade')) {
         if (!mkdir('@www-dir@' . DIRECTORY_SEPARATOR . 'sql' . DIRECTORY_SEPARATOR . '.pearweb-upgrade')) {
             $this->_ui->outputData('error - make sure we can create directories');
             return false;
         }
     }
     PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
     $c = $a->parseDatabaseDefinitionFile(realpath('@www-dir@/sql/pearweb_mdb2schema.xml'));
     PEAR::staticPopErrorHandling();
     if (PEAR::isError($c)) {
         $extra = '';
         if (MDB2_Schema::isError($c) || MDB2::isError($c)) {
             $extra = "\n" . $c->getUserInfo();
         }
         $this->_ui->outputData('ERROR: ' . $c->getMessage() . $extra);
         return false;
     }
     $c['name'] = $answers['database'];
     $c['create'] = 1;
     $c['overwrite'] = 0;
     $dir = opendir('@www-dir@/sql/.pearweb-upgrade');
     $oldversion = false;
     while (false !== ($entry = readdir($dir))) {
         if ($entry[0] === '.') {
             continue;
         }
         if (strpos($entry, $answers['database']) === 0) {
             // this is one of ours
             // strip databasename-
             $entry = substr($entry, strlen($answers['database']) + 1);
             // strip ".ser"
             $entry = substr($entry, 0, strlen($entry) - 4);
             // ... and we're left with just the version
             if (!$oldversion) {
                 $oldversion = $entry;
                 continue;
             }
             if (version_compare($entry, $oldversion, '>')) {
                 $oldversion = $entry;
             }
         }
     }
     if (!file_exists('@www-dir@/sql/.pearweb-upgrade/' . $answers['database'] . '-@version@.ser')) {
         $fp = fopen('@www-dir@/sql/.pearweb-upgrade/' . $answers['database'] . '-@version@.ser', 'w');
         fwrite($fp, serialize($c));
         fclose($fp);
     }
     if ($oldversion == '@version@') {
         // this is where to change if we need to add a "force upgrade of
         // structure" option
         // we would uncomment the following line:
         //$c['overwrite'] = true;
         $oldversion = false;
     }
     if ($oldversion) {
         $curdef = unserialize(file_get_contents('@www-dir@/sql/.pearweb-upgrade/' . $answers['database'] . '-' . $oldversion . '.ser'));
         if (!is_array($curdef)) {
             $this->_ui->outputData('invalid data returned from previous version');
         }
         // get a database diff (MDB2_Schema is very useful here)
         PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
         $c = $a->compareDefinitions($c, $curdef);
         if (PEAR::isError($c)) {
             $this->_ui->outputData($err->getMessage());
             $this->_ui->outputData($err->getUserInfo());
             $this->_ui->outputData('Unable to automatically update database');
             return false;
         }
         $err = $a->updateDatabase($curdef, $c);
         PEAR::staticPopErrorHandling();
     } else {
         PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
         $err = $a->createDatabase($c);
         PEAR::staticPopErrorHandling();
     }
     if (PEAR::isError($err)) {
         $this->_ui->outputData($err->getUserInfo());
         $this->_ui->outputData($err->getMessage());
         return false;
     }
     return true;
 }
开发者ID:stof,项目名称:pearweb,代码行数:100,代码来源:pearweb_pepr.php


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