/concrete/libraries/3rdparty/Zend/Db/Adapter/Mysqli.php
PHP | 549 lines | 283 code | 41 blank | 225 comment | 43 complexity | 52affed08328ee926c11fb4b6c07fc34 MD5 | raw file
- <?php
- /**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to the new BSD license that is bundled
- * with this package in the file LICENSE.txt.
- * It is also available through the world-wide-web at this URL:
- * http://framework.zend.com/license/new-bsd
- * If you did not receive a copy of the license and are unable to
- * obtain it through the world-wide-web, please send an email
- * to license@zend.com so we can send you a copy immediately.
- *
- * @category Zend
- * @package Zend_Db
- * @subpackage Adapter
- * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: Mysqli.php 24593 2012-01-05 20:35:02Z matthew $
- */
- /**
- * @see Zend_Db_Adapter_Abstract
- */
- require_once 'Zend/Db/Adapter/Abstract.php';
- /**
- * @see Zend_Db_Profiler
- */
- require_once 'Zend/Db/Profiler.php';
- /**
- * @see Zend_Db_Select
- */
- require_once 'Zend/Db/Select.php';
- /**
- * @see Zend_Db_Statement_Mysqli
- */
- require_once 'Zend/Db/Statement/Mysqli.php';
- /**
- * @category Zend
- * @package Zend_Db
- * @subpackage Adapter
- * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_Db_Adapter_Mysqli extends Zend_Db_Adapter_Abstract
- {
- /**
- * Keys are UPPERCASE SQL datatypes or the constants
- * Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE.
- *
- * Values are:
- * 0 = 32-bit integer
- * 1 = 64-bit integer
- * 2 = float or decimal
- *
- * @var array Associative array of datatypes to values 0, 1, or 2.
- */
- protected $_numericDataTypes = array(
- Zend_Db::INT_TYPE => Zend_Db::INT_TYPE,
- Zend_Db::BIGINT_TYPE => Zend_Db::BIGINT_TYPE,
- Zend_Db::FLOAT_TYPE => Zend_Db::FLOAT_TYPE,
- 'INT' => Zend_Db::INT_TYPE,
- 'INTEGER' => Zend_Db::INT_TYPE,
- 'MEDIUMINT' => Zend_Db::INT_TYPE,
- 'SMALLINT' => Zend_Db::INT_TYPE,
- 'TINYINT' => Zend_Db::INT_TYPE,
- 'BIGINT' => Zend_Db::BIGINT_TYPE,
- 'SERIAL' => Zend_Db::BIGINT_TYPE,
- 'DEC' => Zend_Db::FLOAT_TYPE,
- 'DECIMAL' => Zend_Db::FLOAT_TYPE,
- 'DOUBLE' => Zend_Db::FLOAT_TYPE,
- 'DOUBLE PRECISION' => Zend_Db::FLOAT_TYPE,
- 'FIXED' => Zend_Db::FLOAT_TYPE,
- 'FLOAT' => Zend_Db::FLOAT_TYPE
- );
- /**
- * @var Zend_Db_Statement_Mysqli
- */
- protected $_stmt = null;
- /**
- * Default class name for a DB statement.
- *
- * @var string
- */
- protected $_defaultStmtClass = 'Zend_Db_Statement_Mysqli';
- /**
- * Quote a raw string.
- *
- * @param mixed $value Raw string
- *
- * @return string Quoted string
- */
- protected function _quote($value)
- {
- if (is_int($value) || is_float($value)) {
- return $value;
- }
- $this->_connect();
- return "'" . $this->_connection->real_escape_string($value) . "'";
- }
- /**
- * Returns the symbol the adapter uses for delimiting identifiers.
- *
- * @return string
- */
- public function getQuoteIdentifierSymbol()
- {
- return "`";
- }
- /**
- * Returns a list of the tables in the database.
- *
- * @return array
- */
- public function listTables()
- {
- $result = array();
- // Use mysqli extension API, because SHOW doesn't work
- // well as a prepared statement on MySQL 4.1.
- $sql = 'SHOW TABLES';
- if ($queryResult = $this->getConnection()->query($sql)) {
- while ($row = $queryResult->fetch_row()) {
- $result[] = $row[0];
- }
- $queryResult->close();
- } else {
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception($this->getConnection()->error);
- }
- return $result;
- }
- /**
- * Returns the column descriptions for a table.
- *
- * The return value is an associative array keyed by the column name,
- * as returned by the RDBMS.
- *
- * The value of each array element is an associative array
- * with the following keys:
- *
- * SCHEMA_NAME => string; name of database or schema
- * TABLE_NAME => string;
- * COLUMN_NAME => string; column name
- * COLUMN_POSITION => number; ordinal position of column in table
- * DATA_TYPE => string; SQL datatype name of column
- * DEFAULT => string; default expression of column, null if none
- * NULLABLE => boolean; true if column can have nulls
- * LENGTH => number; length of CHAR/VARCHAR
- * SCALE => number; scale of NUMERIC/DECIMAL
- * PRECISION => number; precision of NUMERIC/DECIMAL
- * UNSIGNED => boolean; unsigned property of an integer type
- * PRIMARY => boolean; true if column is part of the primary key
- * PRIMARY_POSITION => integer; position of column in primary key
- * IDENTITY => integer; true if column is auto-generated with unique values
- *
- * @param string $tableName
- * @param string $schemaName OPTIONAL
- * @return array
- */
- public function describeTable($tableName, $schemaName = null)
- {
- /**
- * @todo use INFORMATION_SCHEMA someday when
- * MySQL's implementation isn't too slow.
- */
- if ($schemaName) {
- $sql = 'DESCRIBE ' . $this->quoteIdentifier("$schemaName.$tableName", true);
- } else {
- $sql = 'DESCRIBE ' . $this->quoteIdentifier($tableName, true);
- }
- /**
- * Use mysqli extension API, because DESCRIBE doesn't work
- * well as a prepared statement on MySQL 4.1.
- */
- if ($queryResult = $this->getConnection()->query($sql)) {
- while ($row = $queryResult->fetch_assoc()) {
- $result[] = $row;
- }
- $queryResult->close();
- } else {
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception($this->getConnection()->error);
- }
- $desc = array();
- $row_defaults = array(
- 'Length' => null,
- 'Scale' => null,
- 'Precision' => null,
- 'Unsigned' => null,
- 'Primary' => false,
- 'PrimaryPosition' => null,
- 'Identity' => false
- );
- $i = 1;
- $p = 1;
- foreach ($result as $key => $row) {
- $row = array_merge($row_defaults, $row);
- if (preg_match('/unsigned/', $row['Type'])) {
- $row['Unsigned'] = true;
- }
- if (preg_match('/^((?:var)?char)\((\d+)\)/', $row['Type'], $matches)) {
- $row['Type'] = $matches[1];
- $row['Length'] = $matches[2];
- } else if (preg_match('/^decimal\((\d+),(\d+)\)/', $row['Type'], $matches)) {
- $row['Type'] = 'decimal';
- $row['Precision'] = $matches[1];
- $row['Scale'] = $matches[2];
- } else if (preg_match('/^float\((\d+),(\d+)\)/', $row['Type'], $matches)) {
- $row['Type'] = 'float';
- $row['Precision'] = $matches[1];
- $row['Scale'] = $matches[2];
- } else if (preg_match('/^((?:big|medium|small|tiny)?int)\((\d+)\)/', $row['Type'], $matches)) {
- $row['Type'] = $matches[1];
- /**
- * The optional argument of a MySQL int type is not precision
- * or length; it is only a hint for display width.
- */
- }
- if (strtoupper($row['Key']) == 'PRI') {
- $row['Primary'] = true;
- $row['PrimaryPosition'] = $p;
- if ($row['Extra'] == 'auto_increment') {
- $row['Identity'] = true;
- } else {
- $row['Identity'] = false;
- }
- ++$p;
- }
- $desc[$this->foldCase($row['Field'])] = array(
- 'SCHEMA_NAME' => null, // @todo
- 'TABLE_NAME' => $this->foldCase($tableName),
- 'COLUMN_NAME' => $this->foldCase($row['Field']),
- 'COLUMN_POSITION' => $i,
- 'DATA_TYPE' => $row['Type'],
- 'DEFAULT' => $row['Default'],
- 'NULLABLE' => (bool) ($row['Null'] == 'YES'),
- 'LENGTH' => $row['Length'],
- 'SCALE' => $row['Scale'],
- 'PRECISION' => $row['Precision'],
- 'UNSIGNED' => $row['Unsigned'],
- 'PRIMARY' => $row['Primary'],
- 'PRIMARY_POSITION' => $row['PrimaryPosition'],
- 'IDENTITY' => $row['Identity']
- );
- ++$i;
- }
- return $desc;
- }
- /**
- * Creates a connection to the database.
- *
- * @return void
- * @throws Zend_Db_Adapter_Mysqli_Exception
- */
- protected function _connect()
- {
- if ($this->_connection) {
- return;
- }
- if (!extension_loaded('mysqli')) {
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception('The Mysqli extension is required for this adapter but the extension is not loaded');
- }
- if (isset($this->_config['port'])) {
- $port = (integer) $this->_config['port'];
- } else {
- $port = null;
- }
- $this->_connection = mysqli_init();
- if(!empty($this->_config['driver_options'])) {
- foreach($this->_config['driver_options'] as $option=>$value) {
- if(is_string($option)) {
- // Suppress warnings here
- // Ignore it if it's not a valid constant
- $option = @constant(strtoupper($option));
- if($option === null)
- continue;
- }
- mysqli_options($this->_connection, $option, $value);
- }
- }
- // Suppress connection warnings here.
- // Throw an exception instead.
- $_isConnected = @mysqli_real_connect(
- $this->_connection,
- $this->_config['host'],
- $this->_config['username'],
- $this->_config['password'],
- $this->_config['dbname'],
- $port
- );
- if ($_isConnected === false || mysqli_connect_errno()) {
- $this->closeConnection();
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception(mysqli_connect_error());
- }
- if (!empty($this->_config['charset'])) {
- mysqli_set_charset($this->_connection, $this->_config['charset']);
- }
- }
- /**
- * Test if a connection is active
- *
- * @return boolean
- */
- public function isConnected()
- {
- return ((bool) ($this->_connection instanceof mysqli));
- }
- /**
- * Force the connection to close.
- *
- * @return void
- */
- public function closeConnection()
- {
- if ($this->isConnected()) {
- $this->_connection->close();
- }
- $this->_connection = null;
- }
- /**
- * Prepare a statement and return a PDOStatement-like object.
- *
- * @param string $sql SQL query
- * @return Zend_Db_Statement_Mysqli
- */
- public function prepare($sql)
- {
- $this->_connect();
- if ($this->_stmt) {
- $this->_stmt->close();
- }
- $stmtClass = $this->_defaultStmtClass;
- if (!class_exists($stmtClass)) {
- require_once 'Zend/Loader.php';
- Zend_Loader::loadClass($stmtClass);
- }
- $stmt = new $stmtClass($this, $sql);
- if ($stmt === false) {
- return false;
- }
- $stmt->setFetchMode($this->_fetchMode);
- $this->_stmt = $stmt;
- return $stmt;
- }
- /**
- * Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column.
- *
- * As a convention, on RDBMS brands that support sequences
- * (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence
- * from the arguments and returns the last id generated by that sequence.
- * On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method
- * returns the last value generated for such a column, and the table name
- * argument is disregarded.
- *
- * MySQL does not support sequences, so $tableName and $primaryKey are ignored.
- *
- * @param string $tableName OPTIONAL Name of table.
- * @param string $primaryKey OPTIONAL Name of primary key column.
- * @return string
- * @todo Return value should be int?
- */
- public function lastInsertId($tableName = null, $primaryKey = null)
- {
- $mysqli = $this->_connection;
- return (string) $mysqli->insert_id;
- }
- /**
- * Begin a transaction.
- *
- * @return void
- */
- protected function _beginTransaction()
- {
- $this->_connect();
- $this->_connection->autocommit(false);
- }
- /**
- * Commit a transaction.
- *
- * @return void
- */
- protected function _commit()
- {
- $this->_connect();
- $this->_connection->commit();
- $this->_connection->autocommit(true);
- }
- /**
- * Roll-back a transaction.
- *
- * @return void
- */
- protected function _rollBack()
- {
- $this->_connect();
- $this->_connection->rollback();
- $this->_connection->autocommit(true);
- }
- /**
- * Set the fetch mode.
- *
- * @param int $mode
- * @return void
- * @throws Zend_Db_Adapter_Mysqli_Exception
- */
- public function setFetchMode($mode)
- {
- switch ($mode) {
- case Zend_Db::FETCH_LAZY:
- case Zend_Db::FETCH_ASSOC:
- case Zend_Db::FETCH_NUM:
- case Zend_Db::FETCH_BOTH:
- case Zend_Db::FETCH_NAMED:
- case Zend_Db::FETCH_OBJ:
- $this->_fetchMode = $mode;
- break;
- case Zend_Db::FETCH_BOUND: // bound to PHP variable
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception('FETCH_BOUND is not supported yet');
- break;
- default:
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception("Invalid fetch mode '$mode' specified");
- }
- }
- /**
- * Adds an adapter-specific LIMIT clause to the SELECT statement.
- *
- * @param string $sql
- * @param int $count
- * @param int $offset OPTIONAL
- * @return string
- */
- public function limit($sql, $count, $offset = 0)
- {
- $count = intval($count);
- if ($count <= 0) {
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception("LIMIT argument count=$count is not valid");
- }
- $offset = intval($offset);
- if ($offset < 0) {
- /**
- * @see Zend_Db_Adapter_Mysqli_Exception
- */
- require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
- throw new Zend_Db_Adapter_Mysqli_Exception("LIMIT argument offset=$offset is not valid");
- }
- $sql .= " LIMIT $count";
- if ($offset > 0) {
- $sql .= " OFFSET $offset";
- }
- return $sql;
- }
- /**
- * Check if the adapter supports real SQL parameters.
- *
- * @param string $type 'positional' or 'named'
- * @return bool
- */
- public function supportsParameters($type)
- {
- switch ($type) {
- case 'positional':
- return true;
- case 'named':
- default:
- return false;
- }
- }
- /**
- * Retrieve server version in PHP style
- *
- *@return string
- */
- public function getServerVersion()
- {
- $this->_connect();
- $version = $this->_connection->server_version;
- $major = (int) ($version / 10000);
- $minor = (int) ($version % 10000 / 100);
- $revision = (int) ($version % 100);
- return $major . '.' . $minor . '.' . $revision;
- }
- }