PHP Util::getCharsetQueryPart方法代码示例

        if ($response->isAjax()) {
            $response->setRequestStatus(false);
            $response->addJSON('message', Message::error(__('No databases selected.')));
        } else {
            PMA_sendHeaderLocation($uri);
        }
        exit;
    }
}
// end if (ensures db exists)
/**
 * Changes database charset if requested by the user
 */
if (isset($_REQUEST['submitcollation']) && isset($_REQUEST['db_collation']) && !empty($_REQUEST['db_collation'])) {
    list($db_charset) = explode('_', $_REQUEST['db_collation']);
    $sql_query = 'ALTER DATABASE ' . PMA\libraries\Util::backquote($db) . ' DEFAULT' . Util::getCharsetQueryPart($_REQUEST['db_collation']);
    $result = $GLOBALS['dbi']->query($sql_query);
    $message = Message::success();
    unset($db_charset);
    /**
     * If we are in an Ajax request, let us stop the execution here. Necessary for
     * db charset change action on db_operations.php.  If this causes a bug on
     * other pages, we might have to move this to a different location.
     */
    if ($GLOBALS['is_ajax_request'] == true) {
        $response = PMA\libraries\Response::getInstance();
        $response->setRequestStatus($message->isSuccess());
        $response->addJSON('message', $message);
        exit;
    }
}

/**
 * Get table alters array
 *
 * @param Table   $pma_table           The Table object
 * @param string  $pack_keys           pack keys
 * @param string  $checksum            value of checksum
 * @param string  $page_checksum       value of page checksum
 * @param string  $delay_key_write     delay key write
 * @param string  $row_format          row format
 * @param string  $newTblStorageEngine table storage engine
 * @param string  $transactional       value of transactional
 * @param string  $tbl_collation       collation of the table
 *
 * @return array  $table_alters
 */
function PMA_getTableAltersArray($pma_table, $pack_keys, $checksum, $page_checksum, $delay_key_write, $row_format, $newTblStorageEngine, $transactional, $tbl_collation)
{
    global $auto_increment;
    $table_alters = array();
    if (isset($_REQUEST['comment']) && urldecode($_REQUEST['prev_comment']) !== $_REQUEST['comment']) {
        $table_alters[] = 'COMMENT = \'' . $GLOBALS['dbi']->escapeString($_REQUEST['comment']) . '\'';
    }
    if (!empty($newTblStorageEngine) && mb_strtolower($newTblStorageEngine) !== mb_strtolower($GLOBALS['tbl_storage_engine'])) {
        $table_alters[] = 'ENGINE = ' . $newTblStorageEngine;
    }
    if (!empty($_REQUEST['tbl_collation']) && $_REQUEST['tbl_collation'] !== $tbl_collation) {
        $table_alters[] = 'DEFAULT ' . Util::getCharsetQueryPart($_REQUEST['tbl_collation']);
    }
    if ($pma_table->isEngine(array('MYISAM', 'ARIA', 'ISAM')) && isset($_REQUEST['new_pack_keys']) && $_REQUEST['new_pack_keys'] != (string) $pack_keys) {
        $table_alters[] = 'pack_keys = ' . $_REQUEST['new_pack_keys'];
    }
    $_REQUEST['new_checksum'] = empty($_REQUEST['new_checksum']) ? '0' : '1';
    if ($pma_table->isEngine(array('MYISAM', 'ARIA')) && $_REQUEST['new_checksum'] !== $checksum) {
        $table_alters[] = 'checksum = ' . $_REQUEST['new_checksum'];
    }
    $_REQUEST['new_transactional'] = empty($_REQUEST['new_transactional']) ? '0' : '1';
    if ($pma_table->isEngine('ARIA') && $_REQUEST['new_transactional'] !== $transactional) {
        $table_alters[] = 'TRANSACTIONAL = ' . $_REQUEST['new_transactional'];
    }
    $_REQUEST['new_page_checksum'] = empty($_REQUEST['new_page_checksum']) ? '0' : '1';
    if ($pma_table->isEngine('ARIA') && $_REQUEST['new_page_checksum'] !== $page_checksum) {
        $table_alters[] = 'PAGE_CHECKSUM = ' . $_REQUEST['new_page_checksum'];
    }
    $_REQUEST['new_delay_key_write'] = empty($_REQUEST['new_delay_key_write']) ? '0' : '1';
    if ($pma_table->isEngine(array('MYISAM', 'ARIA')) && $_REQUEST['new_delay_key_write'] !== $delay_key_write) {
        $table_alters[] = 'delay_key_write = ' . $_REQUEST['new_delay_key_write'];
    }
    if ($pma_table->isEngine(array('MYISAM', 'ARIA', 'INNODB', 'PBXT')) && !empty($_REQUEST['new_auto_increment']) && (!isset($auto_increment) || $_REQUEST['new_auto_increment'] !== $auto_increment)) {
        $table_alters[] = 'auto_increment = ' . $GLOBALS['dbi']->escapeString($_REQUEST['new_auto_increment']);
    }
    if (!empty($_REQUEST['new_row_format'])) {
        $newRowFormat = $_REQUEST['new_row_format'];
        $newRowFormatLower = mb_strtolower($newRowFormat);
        if ($pma_table->isEngine(array('MYISAM', 'ARIA', 'INNODB', 'PBXT')) && (strlen($row_format) === 0 || $newRowFormatLower !== mb_strtolower($row_format))) {
            $table_alters[] = 'ROW_FORMAT = ' . $GLOBALS['dbi']->escapeString($newRowFormat);
        }
    }
    return $table_alters;
}

 /**
  * generates column specification for ALTER or CREATE TABLE syntax
  *
  * @param string      $name          name
  * @param string      $type          type ('INT', 'VARCHAR', 'BIT', ...)
  * @param string      $length        length ('2', '5,2', '', ...)
  * @param string      $attribute     attribute
  * @param string      $collation     collation
  * @param bool|string $null          with 'NULL' or 'NOT NULL'
  * @param string      $default_type  whether default is CURRENT_TIMESTAMP,
  *                                   NULL, NONE, USER_DEFINED
  * @param string      $default_value default value for USER_DEFINED
  *                                   default type
  * @param string      $extra         'AUTO_INCREMENT'
  * @param string      $comment       field comment
  * @param string      $virtuality    virtuality of the column
  * @param string      $expression    expression for the virtual column
  * @param string      $move_to       new position for column
  *
  * @todo    move into class PMA_Column
  * @todo on the interface, some js to clear the default value when the
  * default current_timestamp is checked
  *
  * @return string  field specification
  */
 static function generateFieldSpec($name, $type, $length = '', $attribute = '', $collation = '', $null = false, $default_type = 'USER_DEFINED', $default_value = '', $extra = '', $comment = '', $virtuality = '', $expression = '', $move_to = '')
 {
     $is_timestamp = mb_strpos(mb_strtoupper($type), 'TIMESTAMP') !== false;
     $query = Util::backquote($name) . ' ' . $type;
     // allow the possibility of a length for TIME, DATETIME and TIMESTAMP
     // (will work on MySQL >= 5.6.4)
     //
     // MySQL permits a non-standard syntax for FLOAT and DOUBLE,
     // see https://dev.mysql.com/doc/refman/5.5/en/floating-point-types.html
     //
     $pattern = '@^(DATE|TINYBLOB|TINYTEXT|BLOB|TEXT|' . 'MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT|SERIAL|BOOLEAN|UUID)$@i';
     if (strlen($length) !== 0 && !preg_match($pattern, $type)) {
         // Note: The variable $length here can contain several other things
         // besides length - ENUM/SET value or length of DECIMAL (eg. 12,3)
         // so we can't just convert it to integer
         $query .= '(' . $length . ')';
     }
     if ($virtuality) {
         $query .= ' AS (' . $expression . ') ' . $virtuality;
     } else {
         if ($attribute != '') {
             $query .= ' ' . $attribute;
             if ($is_timestamp && preg_match('/TIMESTAMP/i', $attribute) && strlen($length) !== 0 && $length !== 0) {
                 $query .= '(' . $length . ')';
             }
         }
         $matches = preg_match('@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i', $type);
         if (!empty($collation) && $collation != 'NULL' && $matches) {
             $query .= Util::getCharsetQueryPart($collation, true);
         }
         if ($null !== false) {
             if ($null == 'NULL') {
                 $query .= ' NULL';
             } else {
                 $query .= ' NOT NULL';
             }
         }
         switch ($default_type) {
             case 'USER_DEFINED':
                 if ($is_timestamp && $default_value === '0') {
                     // a TIMESTAMP does not accept DEFAULT '0'
                     // but DEFAULT 0 works
                     $query .= ' DEFAULT 0';
                 } elseif ($type == 'BIT') {
                     $query .= ' DEFAULT b\'' . preg_replace('/[^01]/', '0', $default_value) . '\'';
                 } elseif ($type == 'BOOLEAN') {
                     if (preg_match('/^1|T|TRUE|YES$/i', $default_value)) {
                         $query .= ' DEFAULT TRUE';
                     } elseif (preg_match('/^0|F|FALSE|NO$/i', $default_value)) {
                         $query .= ' DEFAULT FALSE';
                     } else {
                         // Invalid BOOLEAN value
                         $query .= ' DEFAULT \'' . $GLOBALS['dbi']->escapeString($default_value) . '\'';
                     }
                 } elseif ($type == 'BINARY' || $type == 'VARBINARY') {
                     $query .= ' DEFAULT 0x' . $default_value;
                 } else {
                     $query .= ' DEFAULT \'' . $GLOBALS['dbi']->escapeString($default_value) . '\'';
                 }
                 break;
                 /** @noinspection PhpMissingBreakStatementInspection */
             /** @noinspection PhpMissingBreakStatementInspection */
             case 'NULL':
                 // If user uncheck null checkbox and not change default value null,
                 // default value will be ignored.
                 if ($null !== false && $null !== 'NULL') {
                     break;
                 }
                 // else fall-through intended, no break here
             // else fall-through intended, no break here
             case 'CURRENT_TIMESTAMP':
                 $query .= ' DEFAULT ' . $default_type;
                 if (strlen($length) !== 0 && $length !== 0 && $is_timestamp && $default_type !== 'NULL') {
                     $query .= '(' . $length . ')';
                 }
//.........这里部分代码省略.........

 /**
  * Handles creating a new database
  *
  * @return void
  */
 public function createDatabaseAction()
 {
     /**
      * Builds and executes the db creation sql query
      */
     $sql_query = 'CREATE DATABASE ' . Util::backquote($_POST['new_db']);
     if (!empty($_POST['db_collation'])) {
         list($db_charset) = explode('_', $_POST['db_collation']);
         $charsets = Charsets::getMySQLCharsets();
         $collations = Charsets::getMySQLCollations();
         if (in_array($db_charset, $charsets) && in_array($_POST['db_collation'], $collations[$db_charset])) {
             $sql_query .= ' DEFAULT' . Util::getCharsetQueryPart($_POST['db_collation']);
         }
     }
     $sql_query .= ';';
     $result = $GLOBALS['dbi']->tryQuery($sql_query);
     if (!$result) {
         // avoid displaying the not-created db name in header or navi panel
         $GLOBALS['db'] = '';
         $message = Message::rawError($GLOBALS['dbi']->getError());
         $this->response->setRequestStatus(false);
         $this->response->addJSON('message', $message);
     } else {
         $GLOBALS['db'] = $_POST['new_db'];
         $message = Message::success(__('Database %1$s has been created.'));
         $message->addParam($_POST['new_db']);
         $this->response->addJSON('message', $message);
         $this->response->addJSON('sql_query', Util::getMessage(null, $sql_query, 'success'));
         $url_query = URL::getCommon(array('db' => $_POST['new_db']));
         $this->response->addJSON('url_query', Util::getScriptNameForOption($GLOBALS['cfg']['DefaultTabDatabase'], 'database') . $url_query . '&db=' . urlencode($_POST['new_db']));
     }
 }

/**
 * Function to get table creation sql query
 *
 * @param string $db    database name
 * @param string $table table name
 *
 * @return string
 */
function PMA_getTableCreationQuery($db, $table)
{
    // get column addition statements
    $sql_statement = PMA_getColumnCreationStatements(true);
    // Builds the 'create table' statement
    $sql_query = 'CREATE TABLE ' . PMA\libraries\Util::backquote($db) . '.' . PMA\libraries\Util::backquote(trim($table)) . ' (' . $sql_statement . ')';
    // Adds table type, character set, comments and partition definition
    if (!empty($_REQUEST['tbl_storage_engine']) && $_REQUEST['tbl_storage_engine'] != 'Default') {
        $sql_query .= ' ENGINE = ' . $_REQUEST['tbl_storage_engine'];
    }
    if (!empty($_REQUEST['tbl_collation'])) {
        $sql_query .= Util::getCharsetQueryPart($_REQUEST['tbl_collation']);
    }
    if (!empty($_REQUEST['connection']) && !empty($_REQUEST['tbl_storage_engine']) && $_REQUEST['tbl_storage_engine'] == 'FEDERATED') {
        $sql_query .= " CONNECTION = '" . $GLOBALS['dbi']->escapeString($_REQUEST['connection']) . "'";
    }
    if (!empty($_REQUEST['comment'])) {
        $sql_query .= ' COMMENT = \'' . $GLOBALS['dbi']->escapeString($_REQUEST['comment']) . '\'';
    }
    $sql_query .= PMA_getPartitionsDefinition();
    $sql_query .= ';';
    return $sql_query;
}