836 lines
25 KiB
PHP
836 lines
25 KiB
PHP
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Sterling Hughes <sterling@php.net> |
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// | Ant<6E>nio Carlos Ven<65>ncio J<>nior <floripa@php.net> |
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// | Maintainer: Daniel Convissor <danielc@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: sybase.php 3355 2005-06-11 22:14:40Z nbm $
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// TODO
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// - This driver may fail with multiple connections under the same
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// user/pass/host and different databases
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require_once 'DB/common.php';
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/**
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* Database independent query interface definition for PHP's Sybase
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* extension.
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*
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* @package DB
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* @version $Id: sybase.php 3355 2005-06-11 22:14:40Z nbm $
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* @category Database
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* @author Sterling Hughes <sterling@php.net>
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* @author Ant<EFBFBD>nio Carlos Ven<EFBFBD>ncio J<EFBFBD>nior <floripa@php.net>
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*/
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class DB_sybase extends DB_common
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{
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// {{{ properties
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var $connection;
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var $phptype, $dbsyntax;
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var $prepare_tokens = array();
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var $prepare_types = array();
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var $transaction_opcount = 0;
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var $autocommit = true;
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// }}}
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// {{{ constructor
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/**
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* DB_sybase constructor.
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*
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* @access public
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*/
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function DB_sybase()
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{
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$this->DB_common();
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$this->phptype = 'sybase';
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$this->dbsyntax = 'sybase';
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$this->features = array(
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'prepare' => false,
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'pconnect' => true,
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'transactions' => false,
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'limit' => 'emulate'
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);
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$this->errorcode_map = array(
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);
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}
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// }}}
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// {{{ connect()
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/**
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* Connect to a database and log in as the specified user.
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*
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* @param $dsn the data source name (see DB::parseDSN for syntax)
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* @param $persistent (optional) whether the connection should
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* be persistent
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* @access public
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* @return int DB_OK on success, a DB error on failure
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*/
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function connect($dsninfo, $persistent = false)
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{
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if (!DB::assertExtension('sybase') &&
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!DB::assertExtension('sybase_ct'))
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{
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return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
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}
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$this->dsn = $dsninfo;
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$interface = $dsninfo['hostspec'] ? $dsninfo['hostspec'] : 'localhost';
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$connect_function = $persistent ? 'sybase_pconnect' : 'sybase_connect';
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$dsninfo['password'] = !empty($dsninfo['password']) ? $dsninfo['password'] : false;
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$dsninfo['charset'] = isset($dsninfo['charset']) ? $dsninfo['charset'] : false;
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$dsninfo['appname'] = isset($dsninfo['appname']) ? $dsninfo['appname'] : false;
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if ($interface && $dsninfo['username']) {
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$conn = @$connect_function($interface, $dsninfo['username'],
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$dsninfo['password'],
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$dsninfo['charset'],
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$dsninfo['appname']);
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} else {
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$conn = false;
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}
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if (!$conn) {
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return $this->raiseError(DB_ERROR_CONNECT_FAILED);
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}
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if ($dsninfo['database']) {
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if (!@sybase_select_db($dsninfo['database'], $conn)) {
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return $this->raiseError(DB_ERROR_NODBSELECTED, null,
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null, null, @sybase_get_last_message());
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}
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$this->_db = $dsninfo['database'];
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}
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$this->connection = $conn;
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return DB_OK;
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}
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// }}}
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// {{{ disconnect()
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/**
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* Log out and disconnect from the database.
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*
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* @access public
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*
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* @return bool true on success, false if not connected.
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*/
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function disconnect()
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{
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$ret = @sybase_close($this->connection);
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$this->connection = null;
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return $ret;
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}
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// }}}
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// {{{ errorNative()
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/**
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* Get the last server error messge (if any)
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*
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* @return string sybase last error message
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*/
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function errorNative()
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{
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return @sybase_get_last_message();
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}
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// }}}
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// {{{ errorCode()
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/**
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* Determine PEAR::DB error code from the database's text error message.
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*
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* @param string $errormsg error message returned from the database
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* @return integer an error number from a DB error constant
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*/
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function errorCode($errormsg)
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{
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static $error_regexps;
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if (!isset($error_regexps)) {
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$error_regexps = array(
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'/Incorrect syntax near/'
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=> DB_ERROR_SYNTAX,
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'/^Unclosed quote before the character string [\"\'].*[\"\']\./'
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=> DB_ERROR_SYNTAX,
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'/Implicit conversion from datatype [\"\'].+[\"\'] to [\"\'].+[\"\'] is not allowed\./'
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=> DB_ERROR_INVALID_NUMBER,
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'/Cannot drop the table [\"\'].+[\"\'], because it doesn\'t exist in the system catalogs\./'
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=> DB_ERROR_NOSUCHTABLE,
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'/Only the owner of object [\"\'].+[\"\'] or a user with System Administrator \(SA\) role can run this command\./'
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=> DB_ERROR_ACCESS_VIOLATION,
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'/^.+ permission denied on object .+, database .+, owner .+/'
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=> DB_ERROR_ACCESS_VIOLATION,
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'/^.* permission denied, database .+, owner .+/'
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=> DB_ERROR_ACCESS_VIOLATION,
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'/[^.*] not found\./'
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=> DB_ERROR_NOSUCHTABLE,
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'/There is already an object named/'
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=> DB_ERROR_ALREADY_EXISTS,
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'/Invalid column name/'
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=> DB_ERROR_NOSUCHFIELD,
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'/does not allow null values/'
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=> DB_ERROR_CONSTRAINT_NOT_NULL,
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'/Command has been aborted/'
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=> DB_ERROR_CONSTRAINT,
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);
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}
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foreach ($error_regexps as $regexp => $code) {
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if (preg_match($regexp, $errormsg)) {
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return $code;
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}
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}
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return DB_ERROR;
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}
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// }}}
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// {{{ sybaseRaiseError()
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/**
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* Gather information about an error, then use that info to create a
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* DB error object and finally return that object.
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*
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* @param integer $errno PEAR error number (usually a DB constant) if
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* manually raising an error
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* @return object DB error object
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* @see errorNative()
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* @see errorCode()
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* @see DB_common::raiseError()
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*/
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function sybaseRaiseError($errno = null)
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{
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$native = $this->errorNative();
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if ($errno === null) {
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$errno = $this->errorCode($native);
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}
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return $this->raiseError($errno, null, null, null, $native);
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}
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// }}}
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// {{{ simpleQuery()
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/**
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* Send a query to Sybase and return the results as a Sybase resource
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* identifier.
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*
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* @param the SQL query
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*
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* @access public
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*
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* @return mixed returns a valid Sybase result for successful SELECT
|
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* queries, DB_OK for other successful queries. A DB error is
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* returned on failure.
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*/
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function simpleQuery($query)
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{
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$ismanip = DB::isManip($query);
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$this->last_query = $query;
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if (!@sybase_select_db($this->_db, $this->connection)) {
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return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
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}
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$query = $this->modifyQuery($query);
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if (!$this->autocommit && $ismanip) {
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if ($this->transaction_opcount == 0) {
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$result = @sybase_query('BEGIN TRANSACTION', $this->connection);
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if (!$result) {
|
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return $this->sybaseRaiseError();
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}
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}
|
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$this->transaction_opcount++;
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}
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$result = @sybase_query($query, $this->connection);
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if (!$result) {
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return $this->sybaseRaiseError();
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}
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if (is_resource($result)) {
|
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$numrows = $this->numRows($result);
|
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if (is_object($numrows)) {
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return $numrows;
|
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}
|
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$this->num_rows[(int)$result] = $numrows;
|
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return $result;
|
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}
|
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// Determine which queries that should return data, and which
|
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// should return an error code only.
|
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return $ismanip ? DB_OK : $result;
|
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}
|
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|
|||
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// }}}
|
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// {{{ nextResult()
|
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|
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/**
|
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* Move the internal sybase result pointer to the next available result
|
|||
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*
|
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* @param a valid sybase result resource
|
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*
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* @access public
|
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*
|
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* @return true if a result is available otherwise return false
|
|||
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*/
|
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function nextResult($result)
|
|||
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{
|
|||
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return false;
|
|||
|
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}
|
|||
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|
|||
|
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// }}}
|
|||
|
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// {{{ fetchInto()
|
|||
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|
|||
|
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/**
|
|||
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* Fetch a row and insert the data into an existing array.
|
|||
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*
|
|||
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* Formating of the array and the data therein are configurable.
|
|||
|
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* See DB_result::fetchInto() for more information.
|
|||
|
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*
|
|||
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* @param resource $result query result identifier
|
|||
|
|
* @param array $arr (reference) array where data from the row
|
|||
|
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* should be placed
|
|||
|
|
* @param int $fetchmode how the resulting array should be indexed
|
|||
|
|
* @param int $rownum the row number to fetch
|
|||
|
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*
|
|||
|
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* @return mixed DB_OK on success, null when end of result set is
|
|||
|
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* reached or on failure
|
|||
|
|
*
|
|||
|
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* @see DB_result::fetchInto()
|
|||
|
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* @access private
|
|||
|
|
*/
|
|||
|
|
function fetchInto($result, &$arr, $fetchmode, $rownum=null)
|
|||
|
|
{
|
|||
|
|
if ($rownum !== null) {
|
|||
|
|
if (!@sybase_data_seek($result, $rownum)) {
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($fetchmode & DB_FETCHMODE_ASSOC) {
|
|||
|
|
if (function_exists('sybase_fetch_assoc')) {
|
|||
|
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$arr = @sybase_fetch_assoc($result);
|
|||
|
|
} else {
|
|||
|
|
if ($arr = @sybase_fetch_array($result)) {
|
|||
|
|
foreach ($arr as $key => $value) {
|
|||
|
|
if (is_int($key)) {
|
|||
|
|
unset($arr[$key]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
|
|||
|
|
$arr = array_change_key_case($arr, CASE_LOWER);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
$arr = @sybase_fetch_row($result);
|
|||
|
|
}
|
|||
|
|
if (!$arr) {
|
|||
|
|
// reported not work as seems that sybase_get_last_message()
|
|||
|
|
// always return a message here
|
|||
|
|
//if ($errmsg = @sybase_get_last_message()) {
|
|||
|
|
// return $this->sybaseRaiseError($errmsg);
|
|||
|
|
//} else {
|
|||
|
|
return null;
|
|||
|
|
//}
|
|||
|
|
}
|
|||
|
|
if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
|
|||
|
|
$this->_rtrimArrayValues($arr);
|
|||
|
|
}
|
|||
|
|
if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
|
|||
|
|
$this->_convertNullArrayValuesToEmpty($arr);
|
|||
|
|
}
|
|||
|
|
return DB_OK;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ freeResult()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Free the internal resources associated with $result.
|
|||
|
|
*
|
|||
|
|
* @param $result Sybase result identifier
|
|||
|
|
*
|
|||
|
|
* @access public
|
|||
|
|
*
|
|||
|
|
* @return bool true on success, false if $result is invalid
|
|||
|
|
*/
|
|||
|
|
function freeResult($result)
|
|||
|
|
{
|
|||
|
|
unset($this->num_rows[(int)$result]);
|
|||
|
|
return @sybase_free_result($result);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ numCols()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Get the number of columns in a result set.
|
|||
|
|
*
|
|||
|
|
* @param $result Sybase result identifier
|
|||
|
|
*
|
|||
|
|
* @access public
|
|||
|
|
*
|
|||
|
|
* @return int the number of columns per row in $result
|
|||
|
|
*/
|
|||
|
|
function numCols($result)
|
|||
|
|
{
|
|||
|
|
$cols = @sybase_num_fields($result);
|
|||
|
|
if (!$cols) {
|
|||
|
|
return $this->sybaseRaiseError();
|
|||
|
|
}
|
|||
|
|
return $cols;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ numRows()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Get the number of rows in a result set.
|
|||
|
|
*
|
|||
|
|
* @param $result Sybase result identifier
|
|||
|
|
*
|
|||
|
|
* @access public
|
|||
|
|
*
|
|||
|
|
* @return int the number of rows in $result
|
|||
|
|
*/
|
|||
|
|
function numRows($result)
|
|||
|
|
{
|
|||
|
|
$rows = @sybase_num_rows($result);
|
|||
|
|
if ($rows === false) {
|
|||
|
|
return $this->sybaseRaiseError();
|
|||
|
|
}
|
|||
|
|
return $rows;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ affectedRows()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Gets the number of rows affected by the data manipulation
|
|||
|
|
* query. For other queries, this function returns 0.
|
|||
|
|
*
|
|||
|
|
* @return number of rows affected by the last query
|
|||
|
|
*/
|
|||
|
|
function affectedRows()
|
|||
|
|
{
|
|||
|
|
if (DB::isManip($this->last_query)) {
|
|||
|
|
$result = @sybase_affected_rows($this->connection);
|
|||
|
|
} else {
|
|||
|
|
$result = 0;
|
|||
|
|
}
|
|||
|
|
return $result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ nextId()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Returns the next free id in a sequence
|
|||
|
|
*
|
|||
|
|
* @param string $seq_name name of the sequence
|
|||
|
|
* @param boolean $ondemand when true, the seqence is automatically
|
|||
|
|
* created if it does not exist
|
|||
|
|
*
|
|||
|
|
* @return int the next id number in the sequence. DB_Error if problem.
|
|||
|
|
*
|
|||
|
|
* @internal
|
|||
|
|
* @see DB_common::nextID()
|
|||
|
|
* @access public
|
|||
|
|
*/
|
|||
|
|
function nextId($seq_name, $ondemand = true)
|
|||
|
|
{
|
|||
|
|
$seqname = $this->getSequenceName($seq_name);
|
|||
|
|
if (!@sybase_select_db($this->_db, $this->connection)) {
|
|||
|
|
return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
|
|||
|
|
}
|
|||
|
|
$repeat = 0;
|
|||
|
|
do {
|
|||
|
|
$this->pushErrorHandling(PEAR_ERROR_RETURN);
|
|||
|
|
$result = $this->query("INSERT INTO $seqname (vapor) VALUES (0)");
|
|||
|
|
$this->popErrorHandling();
|
|||
|
|
if ($ondemand && DB::isError($result) &&
|
|||
|
|
($result->getCode() == DB_ERROR || $result->getCode() == DB_ERROR_NOSUCHTABLE))
|
|||
|
|
{
|
|||
|
|
$repeat = 1;
|
|||
|
|
$result = $this->createSequence($seq_name);
|
|||
|
|
if (DB::isError($result)) {
|
|||
|
|
return $this->raiseError($result);
|
|||
|
|
}
|
|||
|
|
} elseif (!DB::isError($result)) {
|
|||
|
|
$result =& $this->query("SELECT @@IDENTITY FROM $seqname");
|
|||
|
|
$repeat = 0;
|
|||
|
|
} else {
|
|||
|
|
$repeat = false;
|
|||
|
|
}
|
|||
|
|
} while ($repeat);
|
|||
|
|
if (DB::isError($result)) {
|
|||
|
|
return $this->raiseError($result);
|
|||
|
|
}
|
|||
|
|
$result = $result->fetchRow(DB_FETCHMODE_ORDERED);
|
|||
|
|
return $result[0];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Creates a new sequence
|
|||
|
|
*
|
|||
|
|
* @param string $seq_name name of the new sequence
|
|||
|
|
*
|
|||
|
|
* @return int DB_OK on success. A DB_Error object is returned if
|
|||
|
|
* problems arise.
|
|||
|
|
*
|
|||
|
|
* @internal
|
|||
|
|
* @see DB_common::createSequence()
|
|||
|
|
* @access public
|
|||
|
|
*/
|
|||
|
|
function createSequence($seq_name)
|
|||
|
|
{
|
|||
|
|
$seqname = $this->getSequenceName($seq_name);
|
|||
|
|
return $this->query("CREATE TABLE $seqname ".
|
|||
|
|
'(id numeric(10,0) IDENTITY NOT NULL ,' .
|
|||
|
|
'vapor int NULL)');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ dropSequence()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Deletes a sequence
|
|||
|
|
*
|
|||
|
|
* @param string $seq_name name of the sequence to be deleted
|
|||
|
|
*
|
|||
|
|
* @return int DB_OK on success. DB_Error if problems.
|
|||
|
|
*
|
|||
|
|
* @internal
|
|||
|
|
* @see DB_common::dropSequence()
|
|||
|
|
* @access public
|
|||
|
|
*/
|
|||
|
|
function dropSequence($seq_name)
|
|||
|
|
{
|
|||
|
|
$seqname = $this->getSequenceName($seq_name);
|
|||
|
|
return $this->query("DROP TABLE $seqname");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ getSpecialQuery()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Returns the query needed to get some backend info
|
|||
|
|
* @param string $type What kind of info you want to retrieve
|
|||
|
|
* @return string The SQL query string
|
|||
|
|
*/
|
|||
|
|
function getSpecialQuery($type)
|
|||
|
|
{
|
|||
|
|
switch ($type) {
|
|||
|
|
case 'tables':
|
|||
|
|
return "select name from sysobjects where type = 'U' order by name";
|
|||
|
|
case 'views':
|
|||
|
|
return "select name from sysobjects where type = 'V'";
|
|||
|
|
default:
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ autoCommit()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Enable/disable automatic commits
|
|||
|
|
*/
|
|||
|
|
function autoCommit($onoff = false)
|
|||
|
|
{
|
|||
|
|
// XXX if $this->transaction_opcount > 0, we should probably
|
|||
|
|
// issue a warning here.
|
|||
|
|
$this->autocommit = $onoff ? true : false;
|
|||
|
|
return DB_OK;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ commit()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Commit the current transaction.
|
|||
|
|
*/
|
|||
|
|
function commit()
|
|||
|
|
{
|
|||
|
|
if ($this->transaction_opcount > 0) {
|
|||
|
|
if (!@sybase_select_db($this->_db, $this->connection)) {
|
|||
|
|
return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
|
|||
|
|
}
|
|||
|
|
$result = @sybase_query('COMMIT', $this->connection);
|
|||
|
|
$this->transaction_opcount = 0;
|
|||
|
|
if (!$result) {
|
|||
|
|
return $this->sybaseRaiseError();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return DB_OK;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ rollback()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Roll back (undo) the current transaction.
|
|||
|
|
*/
|
|||
|
|
function rollback()
|
|||
|
|
{
|
|||
|
|
if ($this->transaction_opcount > 0) {
|
|||
|
|
if (!@sybase_select_db($this->_db, $this->connection)) {
|
|||
|
|
return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
|
|||
|
|
}
|
|||
|
|
$result = @sybase_query('ROLLBACK', $this->connection);
|
|||
|
|
$this->transaction_opcount = 0;
|
|||
|
|
if (!$result) {
|
|||
|
|
return $this->sybaseRaiseError();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return DB_OK;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ tableInfo()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Returns information about a table or a result set.
|
|||
|
|
*
|
|||
|
|
* NOTE: only supports 'table' and 'flags' if <var>$result</var>
|
|||
|
|
* is a table name.
|
|||
|
|
*
|
|||
|
|
* @param object|string $result DB_result object from a query or a
|
|||
|
|
* string containing the name of a table
|
|||
|
|
* @param int $mode a valid tableInfo mode
|
|||
|
|
* @return array an associative array with the information requested
|
|||
|
|
* or an error object if something is wrong
|
|||
|
|
* @access public
|
|||
|
|
* @internal
|
|||
|
|
* @since 1.6.0
|
|||
|
|
* @see DB_common::tableInfo()
|
|||
|
|
*/
|
|||
|
|
function tableInfo($result, $mode = null)
|
|||
|
|
{
|
|||
|
|
if (isset($result->result)) {
|
|||
|
|
/*
|
|||
|
|
* Probably received a result object.
|
|||
|
|
* Extract the result resource identifier.
|
|||
|
|
*/
|
|||
|
|
$id = $result->result;
|
|||
|
|
$got_string = false;
|
|||
|
|
} elseif (is_string($result)) {
|
|||
|
|
/*
|
|||
|
|
* Probably received a table name.
|
|||
|
|
* Create a result resource identifier.
|
|||
|
|
*/
|
|||
|
|
if (!@sybase_select_db($this->_db, $this->connection)) {
|
|||
|
|
return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
|
|||
|
|
}
|
|||
|
|
$id = @sybase_query("SELECT * FROM $result WHERE 1=0",
|
|||
|
|
$this->connection);
|
|||
|
|
$got_string = true;
|
|||
|
|
} else {
|
|||
|
|
/*
|
|||
|
|
* Probably received a result resource identifier.
|
|||
|
|
* Copy it.
|
|||
|
|
* Deprecated. Here for compatibility only.
|
|||
|
|
*/
|
|||
|
|
$id = $result;
|
|||
|
|
$got_string = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!is_resource($id)) {
|
|||
|
|
return $this->sybaseRaiseError(DB_ERROR_NEED_MORE_DATA);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
|
|||
|
|
$case_func = 'strtolower';
|
|||
|
|
} else {
|
|||
|
|
$case_func = 'strval';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$count = @sybase_num_fields($id);
|
|||
|
|
|
|||
|
|
// made this IF due to performance (one if is faster than $count if's)
|
|||
|
|
if (!$mode) {
|
|||
|
|
|
|||
|
|
for ($i=0; $i<$count; $i++) {
|
|||
|
|
$f = @sybase_fetch_field($id, $i);
|
|||
|
|
|
|||
|
|
// column_source is often blank
|
|||
|
|
if ($got_string) {
|
|||
|
|
$res[$i]['table'] = $case_func($result);
|
|||
|
|
} else {
|
|||
|
|
$res[$i]['table'] = $case_func($f->column_source);
|
|||
|
|
}
|
|||
|
|
$res[$i]['name'] = $case_func($f->name);
|
|||
|
|
$res[$i]['type'] = $f->type;
|
|||
|
|
$res[$i]['len'] = $f->max_length;
|
|||
|
|
if ($res[$i]['table']) {
|
|||
|
|
$res[$i]['flags'] = $this->_sybase_field_flags(
|
|||
|
|
$res[$i]['table'], $res[$i]['name']);
|
|||
|
|
} else {
|
|||
|
|
$res[$i]['flags'] = '';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
// get full info
|
|||
|
|
|
|||
|
|
$res['num_fields'] = $count;
|
|||
|
|
|
|||
|
|
for ($i=0; $i<$count; $i++) {
|
|||
|
|
$f = @sybase_fetch_field($id, $i);
|
|||
|
|
|
|||
|
|
// column_source is often blank
|
|||
|
|
if ($got_string) {
|
|||
|
|
$res[$i]['table'] = $case_func($result);
|
|||
|
|
} else {
|
|||
|
|
$res[$i]['table'] = $case_func($f->column_source);
|
|||
|
|
}
|
|||
|
|
$res[$i]['name'] = $case_func($f->name);
|
|||
|
|
$res[$i]['type'] = $f->type;
|
|||
|
|
$res[$i]['len'] = $f->max_length;
|
|||
|
|
if ($res[$i]['table']) {
|
|||
|
|
$res[$i]['flags'] = $this->_sybase_field_flags(
|
|||
|
|
$res[$i]['table'], $res[$i]['name']);
|
|||
|
|
} else {
|
|||
|
|
$res[$i]['flags'] = '';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($mode & DB_TABLEINFO_ORDER) {
|
|||
|
|
$res['order'][$res[$i]['name']] = $i;
|
|||
|
|
}
|
|||
|
|
if ($mode & DB_TABLEINFO_ORDERTABLE) {
|
|||
|
|
$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// free the result only if we were called on a table
|
|||
|
|
if ($got_string) {
|
|||
|
|
@sybase_free_result($id);
|
|||
|
|
}
|
|||
|
|
return $res;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ _sybase_field_flags()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Get the flags for a field.
|
|||
|
|
*
|
|||
|
|
* Currently supports:
|
|||
|
|
* + <samp>unique_key</samp> (unique index, unique check or primary_key)
|
|||
|
|
* + <samp>multiple_key</samp> (multi-key index)
|
|||
|
|
*
|
|||
|
|
* @param string $table table name
|
|||
|
|
* @param string $column field name
|
|||
|
|
* @return string space delimited string of flags. Empty string if none.
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function _sybase_field_flags($table, $column)
|
|||
|
|
{
|
|||
|
|
static $tableName = null;
|
|||
|
|
static $flags = array();
|
|||
|
|
|
|||
|
|
if ($table != $tableName) {
|
|||
|
|
$flags = array();
|
|||
|
|
$tableName = $table;
|
|||
|
|
|
|||
|
|
// get unique/primary keys
|
|||
|
|
$res = $this->getAll("sp_helpindex $table", DB_FETCHMODE_ASSOC);
|
|||
|
|
|
|||
|
|
if (!isset($res[0]['index_description'])) {
|
|||
|
|
return '';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach ($res as $val) {
|
|||
|
|
$keys = explode(', ', trim($val['index_keys']));
|
|||
|
|
|
|||
|
|
if (sizeof($keys) > 1) {
|
|||
|
|
foreach ($keys as $key) {
|
|||
|
|
$this->_add_flag($flags[$key], 'multiple_key');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (strpos($val['index_description'], 'unique')) {
|
|||
|
|
foreach ($keys as $key) {
|
|||
|
|
$this->_add_flag($flags[$key], 'unique_key');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (array_key_exists($column, $flags)) {
|
|||
|
|
return(implode(' ', $flags[$column]));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return '';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ _add_flag()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Adds a string to the flags array if the flag is not yet in there
|
|||
|
|
* - if there is no flag present the array is created.
|
|||
|
|
*
|
|||
|
|
* @param array $array reference of flags array to add a value to
|
|||
|
|
* @param mixed $value value to add to the flag array
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function _add_flag(&$array, $value)
|
|||
|
|
{
|
|||
|
|
if (!is_array($array)) {
|
|||
|
|
$array = array($value);
|
|||
|
|
} elseif (!in_array($value, $array)) {
|
|||
|
|
array_push($array, $value);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
// {{{ quoteIdentifier()
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Quote a string so it can be safely used as a table / column name
|
|||
|
|
*
|
|||
|
|
* Quoting style depends on which database driver is being used.
|
|||
|
|
*
|
|||
|
|
* @param string $str identifier name to be quoted
|
|||
|
|
*
|
|||
|
|
* @return string quoted identifier string
|
|||
|
|
*
|
|||
|
|
* @since 1.6.0
|
|||
|
|
* @access public
|
|||
|
|
*/
|
|||
|
|
function quoteIdentifier($str)
|
|||
|
|
{
|
|||
|
|
return '[' . str_replace(']', ']]', $str) . ']';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// }}}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Local variables:
|
|||
|
|
* tab-width: 4
|
|||
|
|
* c-basic-offset: 4
|
|||
|
|
* End:
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
?>
|