277 lines
9.4 KiB
PHP
277 lines
9.4 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Db
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Db.php 15577 2009-05-14 12:43:34Z matthew $
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*/
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/**
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* Class for connecting to SQL databases and performing common operations.
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*
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* @category Zend
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* @package Zend_Db
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Db
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{
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/**
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* Use the PROFILER constant in the config of a Zend_Db_Adapter.
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*/
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const PROFILER = 'profiler';
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/**
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* Use the CASE_FOLDING constant in the config of a Zend_Db_Adapter.
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*/
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const CASE_FOLDING = 'caseFolding';
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/**
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* Use the AUTO_QUOTE_IDENTIFIERS constant in the config of a Zend_Db_Adapter.
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*/
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const AUTO_QUOTE_IDENTIFIERS = 'autoQuoteIdentifiers';
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/**
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* Use the ALLOW_SERIALIZATION constant in the config of a Zend_Db_Adapter.
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*/
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const ALLOW_SERIALIZATION = 'allowSerialization';
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/**
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* Use the AUTO_RECONNECT_ON_UNSERIALIZE constant in the config of a Zend_Db_Adapter.
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*/
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const AUTO_RECONNECT_ON_UNSERIALIZE = 'autoReconnectOnUnserialize';
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/**
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* Use the INT_TYPE, BIGINT_TYPE, and FLOAT_TYPE with the quote() method.
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*/
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const INT_TYPE = 0;
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const BIGINT_TYPE = 1;
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const FLOAT_TYPE = 2;
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/**
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* PDO constant values discovered by this script result:
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*
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* $list = array(
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* 'PARAM_BOOL', 'PARAM_NULL', 'PARAM_INT', 'PARAM_STR', 'PARAM_LOB',
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* 'PARAM_STMT', 'PARAM_INPUT_OUTPUT', 'FETCH_LAZY', 'FETCH_ASSOC',
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* 'FETCH_NUM', 'FETCH_BOTH', 'FETCH_OBJ', 'FETCH_BOUND',
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* 'FETCH_COLUMN', 'FETCH_CLASS', 'FETCH_INTO', 'FETCH_FUNC',
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* 'FETCH_GROUP', 'FETCH_UNIQUE', 'FETCH_CLASSTYPE', 'FETCH_SERIALIZE',
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* 'FETCH_NAMED', 'ATTR_AUTOCOMMIT', 'ATTR_PREFETCH', 'ATTR_TIMEOUT',
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* 'ATTR_ERRMODE', 'ATTR_SERVER_VERSION', 'ATTR_CLIENT_VERSION',
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* 'ATTR_SERVER_INFO', 'ATTR_CONNECTION_STATUS', 'ATTR_CASE',
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* 'ATTR_CURSOR_NAME', 'ATTR_CURSOR', 'ATTR_ORACLE_NULLS',
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* 'ATTR_PERSISTENT', 'ATTR_STATEMENT_CLASS', 'ATTR_FETCH_TABLE_NAMES',
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* 'ATTR_FETCH_CATALOG_NAMES', 'ATTR_DRIVER_NAME',
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* 'ATTR_STRINGIFY_FETCHES', 'ATTR_MAX_COLUMN_LEN', 'ERRMODE_SILENT',
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* 'ERRMODE_WARNING', 'ERRMODE_EXCEPTION', 'CASE_NATURAL',
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* 'CASE_LOWER', 'CASE_UPPER', 'NULL_NATURAL', 'NULL_EMPTY_STRING',
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* 'NULL_TO_STRING', 'ERR_NONE', 'FETCH_ORI_NEXT',
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* 'FETCH_ORI_PRIOR', 'FETCH_ORI_FIRST', 'FETCH_ORI_LAST',
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* 'FETCH_ORI_ABS', 'FETCH_ORI_REL', 'CURSOR_FWDONLY', 'CURSOR_SCROLL',
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* 'ERR_CANT_MAP', 'ERR_SYNTAX', 'ERR_CONSTRAINT', 'ERR_NOT_FOUND',
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* 'ERR_ALREADY_EXISTS', 'ERR_NOT_IMPLEMENTED', 'ERR_MISMATCH',
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* 'ERR_TRUNCATED', 'ERR_DISCONNECTED', 'ERR_NO_PERM',
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* );
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*
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* $const = array();
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* foreach ($list as $name) {
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* $const[$name] = constant("PDO::$name");
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* }
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* var_export($const);
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*/
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const ATTR_AUTOCOMMIT = 0;
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const ATTR_CASE = 8;
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const ATTR_CLIENT_VERSION = 5;
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const ATTR_CONNECTION_STATUS = 7;
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const ATTR_CURSOR = 10;
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const ATTR_CURSOR_NAME = 9;
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const ATTR_DRIVER_NAME = 16;
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const ATTR_ERRMODE = 3;
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const ATTR_FETCH_CATALOG_NAMES = 15;
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const ATTR_FETCH_TABLE_NAMES = 14;
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const ATTR_MAX_COLUMN_LEN = 18;
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const ATTR_ORACLE_NULLS = 11;
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const ATTR_PERSISTENT = 12;
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const ATTR_PREFETCH = 1;
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const ATTR_SERVER_INFO = 6;
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const ATTR_SERVER_VERSION = 4;
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const ATTR_STATEMENT_CLASS = 13;
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const ATTR_STRINGIFY_FETCHES = 17;
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const ATTR_TIMEOUT = 2;
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const CASE_LOWER = 2;
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const CASE_NATURAL = 0;
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const CASE_UPPER = 1;
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const CURSOR_FWDONLY = 0;
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const CURSOR_SCROLL = 1;
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const ERR_ALREADY_EXISTS = NULL;
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const ERR_CANT_MAP = NULL;
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const ERR_CONSTRAINT = NULL;
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const ERR_DISCONNECTED = NULL;
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const ERR_MISMATCH = NULL;
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const ERR_NO_PERM = NULL;
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const ERR_NONE = '00000';
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const ERR_NOT_FOUND = NULL;
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const ERR_NOT_IMPLEMENTED = NULL;
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const ERR_SYNTAX = NULL;
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const ERR_TRUNCATED = NULL;
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const ERRMODE_EXCEPTION = 2;
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const ERRMODE_SILENT = 0;
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const ERRMODE_WARNING = 1;
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const FETCH_ASSOC = 2;
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const FETCH_BOTH = 4;
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const FETCH_BOUND = 6;
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const FETCH_CLASS = 8;
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const FETCH_CLASSTYPE = 262144;
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const FETCH_COLUMN = 7;
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const FETCH_FUNC = 10;
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const FETCH_GROUP = 65536;
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const FETCH_INTO = 9;
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const FETCH_LAZY = 1;
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const FETCH_NAMED = 11;
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const FETCH_NUM = 3;
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const FETCH_OBJ = 5;
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const FETCH_ORI_ABS = 4;
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const FETCH_ORI_FIRST = 2;
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const FETCH_ORI_LAST = 3;
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const FETCH_ORI_NEXT = 0;
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const FETCH_ORI_PRIOR = 1;
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const FETCH_ORI_REL = 5;
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const FETCH_SERIALIZE = 524288;
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const FETCH_UNIQUE = 196608;
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const NULL_EMPTY_STRING = 1;
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const NULL_NATURAL = 0;
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const NULL_TO_STRING = NULL;
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const PARAM_BOOL = 5;
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const PARAM_INPUT_OUTPUT = -2147483648;
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const PARAM_INT = 1;
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const PARAM_LOB = 3;
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const PARAM_NULL = 0;
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const PARAM_STMT = 4;
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const PARAM_STR = 2;
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/**
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* Factory for Zend_Db_Adapter_Abstract classes.
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*
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* First argument may be a string containing the base of the adapter class
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* name, e.g. 'Mysqli' corresponds to class Zend_Db_Adapter_Mysqli. This
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* is case-insensitive.
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*
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* First argument may alternatively be an object of type Zend_Config.
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* The adapter class base name is read from the 'adapter' property.
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* The adapter config parameters are read from the 'params' property.
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*
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* Second argument is optional and may be an associative array of key-value
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* pairs. This is used as the argument to the adapter constructor.
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*
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* If the first argument is of type Zend_Config, it is assumed to contain
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* all parameters, and the second argument is ignored.
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*
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* @param mixed $adapter String name of base adapter class, or Zend_Config object.
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* @param mixed $config OPTIONAL; an array or Zend_Config object with adapter parameters.
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* @return Zend_Db_Adapter_Abstract
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* @throws Zend_Db_Exception
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*/
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public static function factory($adapter, $config = array())
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{
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if ($config instanceof Zend_Config) {
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$config = $config->toArray();
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}
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/*
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* Convert Zend_Config argument to plain string
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* adapter name and separate config object.
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*/
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if ($adapter instanceof Zend_Config) {
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if (isset($adapter->params)) {
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$config = $adapter->params->toArray();
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}
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if (isset($adapter->adapter)) {
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$adapter = (string) $adapter->adapter;
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} else {
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$adapter = null;
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}
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}
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/*
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* Verify that adapter parameters are in an array.
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*/
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if (!is_array($config)) {
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/**
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* @see Zend_Db_Exception
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*/
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require_once 'Zend/Db/Exception.php';
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throw new Zend_Db_Exception('Adapter parameters must be in an array or a Zend_Config object');
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}
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/*
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* Verify that an adapter name has been specified.
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*/
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if (!is_string($adapter) || empty($adapter)) {
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/**
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* @see Zend_Db_Exception
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*/
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require_once 'Zend/Db/Exception.php';
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throw new Zend_Db_Exception('Adapter name must be specified in a string');
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}
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/*
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* Form full adapter class name
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*/
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$adapterNamespace = 'Zend_Db_Adapter';
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if (isset($config['adapterNamespace'])) {
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if ($config['adapterNamespace'] != '') {
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$adapterNamespace = $config['adapterNamespace'];
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}
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unset($config['adapterNamespace']);
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}
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$adapterName = strtolower($adapterNamespace . '_' . $adapter);
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$adapterName = str_replace(' ', '_', ucwords(str_replace('_', ' ', $adapterName)));
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/*
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* Load the adapter class. This throws an exception
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* if the specified class cannot be loaded.
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*/
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if (!class_exists($adapterName)) {
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass($adapterName);
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}
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/*
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* Create an instance of the adapter class.
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* Pass the config to the adapter class constructor.
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*/
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$dbAdapter = new $adapterName($config);
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/*
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* Verify that the object created is a descendent of the abstract adapter type.
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*/
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if (! $dbAdapter instanceof Zend_Db_Adapter_Abstract) {
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/**
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* @see Zend_Db_Exception
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*/
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require_once 'Zend/Db/Exception.php';
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throw new Zend_Db_Exception("Adapter class '$adapterName' does not extend Zend_Db_Adapter_Abstract");
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}
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return $dbAdapter;
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}
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}
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