| 1 | <?php
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| 2 |
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| 3 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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| 4 |
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| 5 | /**
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| 6 | * The PEAR DB driver for PHP's fbsql extension
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| 7 | * for interacting with FrontBase databases
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| 8 | *
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| 9 | * PHP versions 4 and 5
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| 10 | *
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| 11 | * LICENSE: This source file is subject to version 3.0 of the PHP license
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| 12 | * that is available through the world-wide-web at the following URI:
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| 13 | * http://www.php.net/license/3_0.txt. If you did not receive a copy of
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| 14 | * the PHP License and are unable to obtain it through the web, please
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| 15 | * send a note to [email protected] so we can mail you a copy immediately.
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| 16 | *
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| 17 | * @category Database
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| 18 | * @package DB
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| 19 | * @author Frank M. Kromann <[email protected]>
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| 20 | * @author Daniel Convissor <[email protected]>
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| 21 | * @copyright 1997-2005 The PHP Group
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| 22 | * @license http://www.php.net/license/3_0.txt PHP License 3.0
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| 23 | * @version CVS: $Id: fbsql.php 3 2006-08-23 03:04:20Z naka $
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| 24 | * @link http://pear.php.net/package/DB
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| 25 | */
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| 26 |
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| 27 | /**
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| 28 | * Obtain the DB_common class so it can be extended from
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| 29 | */
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| 30 | require_once 'DB/common.php';
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| 31 |
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| 32 | /**
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| 33 | * The methods PEAR DB uses to interact with PHP's fbsql extension
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| 34 | * for interacting with FrontBase databases
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| 35 | *
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| 36 | * These methods overload the ones declared in DB_common.
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| 37 | *
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| 38 | * @category Database
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| 39 | * @package DB
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| 40 | * @author Frank M. Kromann <[email protected]>
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| 41 | * @author Daniel Convissor <[email protected]>
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| 42 | * @copyright 1997-2005 The PHP Group
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| 43 | * @license http://www.php.net/license/3_0.txt PHP License 3.0
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| 44 | * @version Release: @package_version@
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| 45 | * @link http://pear.php.net/package/DB
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| 46 | * @since Class functional since Release 1.7.0
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| 47 | */
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| 48 | class DB_fbsql extends DB_common
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| 49 | {
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| 50 | // {{{ properties
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| 51 |
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| 52 | /**
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| 53 | * The DB driver type (mysql, oci8, odbc, etc.)
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| 54 | * @var string
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| 55 | */
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| 56 | var $phptype = 'fbsql';
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| 57 |
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| 58 | /**
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| 59 | * The database syntax variant to be used (db2, access, etc.), if any
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| 60 | * @var string
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| 61 | */
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| 62 | var $dbsyntax = 'fbsql';
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| 63 |
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| 64 | /**
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| 65 | * The capabilities of this DB implementation
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| 66 | *
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| 67 | * The 'new_link' element contains the PHP version that first provided
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| 68 | * new_link support for this DBMS. Contains false if it's unsupported.
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| 69 | *
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| 70 | * Meaning of the 'limit' element:
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| 71 | * + 'emulate' = emulate with fetch row by number
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| 72 | * + 'alter' = alter the query
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| 73 | * + false = skip rows
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| 74 | *
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| 75 | * @var array
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| 76 | */
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| 77 | var $features = array(
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| 78 | 'limit' => 'alter',
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| 79 | 'new_link' => false,
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| 80 | 'numrows' => true,
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| 81 | 'pconnect' => true,
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| 82 | 'prepare' => false,
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| 83 | 'ssl' => false,
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| 84 | 'transactions' => true,
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| 85 | );
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| 86 |
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| 87 | /**
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| 88 | * A mapping of native error codes to DB error codes
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| 89 | * @var array
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| 90 | */
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| 91 | var $errorcode_map = array(
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| 92 | 22 => DB_ERROR_SYNTAX,
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| 93 | 85 => DB_ERROR_ALREADY_EXISTS,
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| 94 | 108 => DB_ERROR_SYNTAX,
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| 95 | 116 => DB_ERROR_NOSUCHTABLE,
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| 96 | 124 => DB_ERROR_VALUE_COUNT_ON_ROW,
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| 97 | 215 => DB_ERROR_NOSUCHFIELD,
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| 98 | 217 => DB_ERROR_INVALID_NUMBER,
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| 99 | 226 => DB_ERROR_NOSUCHFIELD,
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| 100 | 231 => DB_ERROR_INVALID,
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| 101 | 239 => DB_ERROR_TRUNCATED,
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| 102 | 251 => DB_ERROR_SYNTAX,
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| 103 | 266 => DB_ERROR_NOT_FOUND,
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| 104 | 357 => DB_ERROR_CONSTRAINT_NOT_NULL,
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| 105 | 358 => DB_ERROR_CONSTRAINT,
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| 106 | 360 => DB_ERROR_CONSTRAINT,
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| 107 | 361 => DB_ERROR_CONSTRAINT,
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| 108 | );
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| 109 |
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| 110 | /**
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| 111 | * The raw database connection created by PHP
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| 112 | * @var resource
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| 113 | */
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| 114 | var $connection;
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| 115 |
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| 116 | /**
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| 117 | * The DSN information for connecting to a database
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| 118 | * @var array
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| 119 | */
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| 120 | var $dsn = array();
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| 121 |
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| 122 |
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| 123 | // }}}
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| 124 | // {{{ constructor
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| 125 |
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| 126 | /**
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| 127 | * This constructor calls <kbd>$this->DB_common()</kbd>
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| 128 | *
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| 129 | * @return void
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| 130 | */
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| 131 | function DB_fbsql()
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| 132 | {
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| 133 | $this->DB_common();
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| 134 | }
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| 135 |
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| 136 | // }}}
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| 137 | // {{{ connect()
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| 138 |
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| 139 | /**
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| 140 | * Connect to the database server, log in and open the database
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| 141 | *
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| 142 | * Don't call this method directly. Use DB::connect() instead.
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| 143 | *
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| 144 | * @param array $dsn the data source name
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| 145 | * @param bool $persistent should the connection be persistent?
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| 146 | *
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| 147 | * @return int DB_OK on success. A DB_Error object on failure.
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| 148 | */
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| 149 | function connect($dsn, $persistent = false)
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| 150 | {
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| 151 | if (!PEAR::loadExtension('fbsql')) {
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| 152 | return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
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| 153 | }
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| 154 |
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| 155 | $this->dsn = $dsn;
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| 156 | if ($dsn['dbsyntax']) {
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| 157 | $this->dbsyntax = $dsn['dbsyntax'];
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| 158 | }
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| 159 |
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| 160 | $params = array(
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| 161 | $dsn['hostspec'] ? $dsn['hostspec'] : 'localhost',
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| 162 | $dsn['username'] ? $dsn['username'] : null,
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| 163 | $dsn['password'] ? $dsn['password'] : null,
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| 164 | );
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| 165 |
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| 166 | $connect_function = $persistent ? 'fbsql_pconnect' : 'fbsql_connect';
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| 167 |
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| 168 | $ini = ini_get('track_errors');
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| 169 | $php_errormsg = '';
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| 170 | if ($ini) {
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| 171 | $this->connection = @call_user_func_array($connect_function,
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| 172 | $params);
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| 173 | } else {
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| 174 | ini_set('track_errors', 1);
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| 175 | $this->connection = @call_user_func_array($connect_function,
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| 176 | $params);
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| 177 | ini_set('track_errors', $ini);
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| 178 | }
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| 179 |
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| 180 | if (!$this->connection) {
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| 181 | return $this->raiseError(DB_ERROR_CONNECT_FAILED,
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| 182 | null, null, null,
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| 183 | $php_errormsg);
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| 184 | }
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| 185 |
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| 186 | if ($dsn['database']) {
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| 187 | if (!@fbsql_select_db($dsn['database'], $this->connection)) {
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| 188 | return $this->fbsqlRaiseError();
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| 189 | }
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| 190 | }
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| 191 |
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| 192 | return DB_OK;
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| 193 | }
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| 194 |
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| 195 | // }}}
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| 196 | // {{{ disconnect()
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| 197 |
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| 198 | /**
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| 199 | * Disconnects from the database server
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| 200 | *
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| 201 | * @return bool TRUE on success, FALSE on failure
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| 202 | */
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| 203 | function disconnect()
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| 204 | {
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| 205 | $ret = @fbsql_close($this->connection);
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| 206 | $this->connection = null;
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| 207 | return $ret;
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| 208 | }
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| 209 |
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| 210 | // }}}
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| 211 | // {{{ simpleQuery()
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| 212 |
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| 213 | /**
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| 214 | * Sends a query to the database server
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| 215 | *
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| 216 | * @param string the SQL query string
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| 217 | *
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| 218 | * @return mixed + a PHP result resrouce for successful SELECT queries
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| 219 | * + the DB_OK constant for other successful queries
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| 220 | * + a DB_Error object on failure
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| 221 | */
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| 222 | function simpleQuery($query)
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| 223 | {
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| 224 | $this->last_query = $query;
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| 225 | $query = $this->modifyQuery($query);
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| 226 | $result = @fbsql_query("$query;", $this->connection);
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| 227 | if (!$result) {
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| 228 | return $this->fbsqlRaiseError();
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| 229 | }
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| 230 | // Determine which queries that should return data, and which
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| 231 | // should return an error code only.
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| 232 | if (DB::isManip($query)) {
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| 233 | return DB_OK;
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| 234 | }
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| 235 | return $result;
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| 236 | }
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| 237 |
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| 238 | // }}}
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| 239 | // {{{ nextResult()
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| 240 |
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| 241 | /**
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| 242 | * Move the internal fbsql result pointer to the next available result
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| 243 | *
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| 244 | * @param a valid fbsql result resource
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| 245 | *
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| 246 | * @access public
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| 247 | *
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| 248 | * @return true if a result is available otherwise return false
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| 249 | */
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| 250 | function nextResult($result)
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| 251 | {
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| 252 | return @fbsql_next_result($result);
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| 253 | }
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| 254 |
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| 255 | // }}}
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| 256 | // {{{ fetchInto()
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| 257 |
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| 258 | /**
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| 259 | * Places a row from the result set into the given array
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| 260 | *
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| 261 | * Formating of the array and the data therein are configurable.
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| 262 | * See DB_result::fetchInto() for more information.
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| 263 | *
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| 264 | * This method is not meant to be called directly. Use
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| 265 | * DB_result::fetchInto() instead. It can't be declared "protected"
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| 266 | * because DB_result is a separate object.
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| 267 | *
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| 268 | * @param resource $result the query result resource
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| 269 | * @param array $arr the referenced array to put the data in
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| 270 | * @param int $fetchmode how the resulting array should be indexed
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| 271 | * @param int $rownum the row number to fetch (0 = first row)
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| 272 | *
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| 273 | * @return mixed DB_OK on success, NULL when the end of a result set is
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| 274 | * reached or on failure
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| 275 | *
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| 276 | * @see DB_result::fetchInto()
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| 277 | */
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| 278 | function fetchInto($result, &$arr, $fetchmode, $rownum = null)
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| 279 | {
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| 280 | if ($rownum !== null) {
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| 281 | if (!@fbsql_data_seek($result, $rownum)) {
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| 282 | return null;
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| 283 | }
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| 284 | }
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| 285 | if ($fetchmode & DB_FETCHMODE_ASSOC) {
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| 286 | $arr = @fbsql_fetch_array($result, FBSQL_ASSOC);
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| 287 | if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
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| 288 | $arr = array_change_key_case($arr, CASE_LOWER);
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| 289 | }
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| 290 | } else {
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| 291 | $arr = @fbsql_fetch_row($result);
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| 292 | }
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| 293 | if (!$arr) {
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| 294 | return null;
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| 295 | }
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| 296 | if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
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| 297 | $this->_rtrimArrayValues($arr);
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| 298 | }
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| 299 | if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
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| 300 | $this->_convertNullArrayValuesToEmpty($arr);
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| 301 | }
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| 302 | return DB_OK;
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| 303 | }
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| 304 |
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| 305 | // }}}
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| 306 | // {{{ freeResult()
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| 307 |
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| 308 | /**
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| 309 | * Deletes the result set and frees the memory occupied by the result set
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| 310 | *
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| 311 | * This method is not meant to be called directly. Use
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| 312 | * DB_result::free() instead. It can't be declared "protected"
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| 313 | * because DB_result is a separate object.
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| 314 | *
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| 315 | * @param resource $result PHP's query result resource
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| 316 | *
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| 317 | * @return bool TRUE on success, FALSE if $result is invalid
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| 318 | *
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| 319 | * @see DB_result::free()
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| 320 | */
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| 321 | function freeResult($result)
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| 322 | {
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| 323 | return @fbsql_free_result($result);
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| 324 | }
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| 325 |
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| 326 | // }}}
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| 327 | // {{{ autoCommit()
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| 328 |
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| 329 | /**
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| 330 | * Enables or disables automatic commits
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| 331 | *
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| 332 | * @param bool $onoff true turns it on, false turns it off
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| 333 | *
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| 334 | * @return int DB_OK on success. A DB_Error object if the driver
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| 335 | * doesn't support auto-committing transactions.
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| 336 | */
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| 337 | function autoCommit($onoff=false)
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| 338 | {
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| 339 | if ($onoff) {
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| 340 | $this->query("SET COMMIT TRUE");
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| 341 | } else {
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| 342 | $this->query("SET COMMIT FALSE");
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| 343 | }
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| 344 | }
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| 345 |
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| 346 | // }}}
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| 347 | // {{{ commit()
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| 348 |
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| 349 | /**
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| 350 | * Commits the current transaction
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| 351 | *
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| 352 | * @return int DB_OK on success. A DB_Error object on failure.
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| 353 | */
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| 354 | function commit()
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| 355 | {
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| 356 | @fbsql_commit();
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| 357 | }
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| 358 |
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| 359 | // }}}
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| 360 | // {{{ rollback()
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| 361 |
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| 362 | /**
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| 363 | * Reverts the current transaction
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| 364 | *
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| 365 | * @return int DB_OK on success. A DB_Error object on failure.
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| 366 | */
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| 367 | function rollback()
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| 368 | {
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| 369 | @fbsql_rollback();
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| 370 | }
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| 371 |
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| 372 | // }}}
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| 373 | // {{{ numCols()
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| 374 |
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| 375 | /**
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| 376 | * Gets the number of columns in a result set
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| 377 | *
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| 378 | * This method is not meant to be called directly. Use
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| 379 | * DB_result::numCols() instead. It can't be declared "protected"
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| 380 | * because DB_result is a separate object.
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| 381 | *
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| 382 | * @param resource $result PHP's query result resource
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| 383 | *
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| 384 | * @return int the number of columns. A DB_Error object on failure.
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| 385 | *
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| 386 | * @see DB_result::numCols()
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| 387 | */
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| 388 | function numCols($result)
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| 389 | {
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| 390 | $cols = @fbsql_num_fields($result);
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| 391 | if (!$cols) {
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| 392 | return $this->fbsqlRaiseError();
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| 393 | }
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| 394 | return $cols;
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| 395 | }
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| 396 |
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| 397 | // }}}
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| 398 | // {{{ numRows()
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| 399 |
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| 400 | /**
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| 401 | * Gets the number of rows in a result set
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| 402 | *
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| 403 | * This method is not meant to be called directly. Use
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| 404 | * DB_result::numRows() instead. It can't be declared "protected"
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| 405 | * because DB_result is a separate object.
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| 406 | *
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| 407 | * @param resource $result PHP's query result resource
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| 408 | *
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| 409 | * @return int the number of rows. A DB_Error object on failure.
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| 410 | *
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| 411 | * @see DB_result::numRows()
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| 412 | */
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| 413 | function numRows($result)
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| 414 | {
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| 415 | $rows = @fbsql_num_rows($result);
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| 416 | if ($rows === null) {
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| 417 | return $this->fbsqlRaiseError();
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| 418 | }
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| 419 | return $rows;
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| 420 | }
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| 421 |
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| 422 | // }}}
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| 423 | // {{{ affectedRows()
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| 424 |
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| 425 | /**
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| 426 | * Determines the number of rows affected by a data maniuplation query
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| 427 | *
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| 428 | * 0 is returned for queries that don't manipulate data.
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| 429 | *
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| 430 | * @return int the number of rows. A DB_Error object on failure.
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| 431 | */
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| 432 | function affectedRows()
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| 433 | {
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| 434 | if (DB::isManip($this->last_query)) {
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| 435 | $result = @fbsql_affected_rows($this->connection);
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| 436 | } else {
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| 437 | $result = 0;
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| 438 | }
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| 439 | return $result;
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| 440 | }
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| 441 |
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| 442 | // }}}
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| 443 | // {{{ nextId()
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| 444 |
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| 445 | /**
|
|---|
| 446 | * Returns the next free id in a sequence
|
|---|
| 447 | *
|
|---|
| 448 | * @param string $seq_name name of the sequence
|
|---|
| 449 | * @param boolean $ondemand when true, the seqence is automatically
|
|---|
| 450 | * created if it does not exist
|
|---|
| 451 | *
|
|---|
| 452 | * @return int the next id number in the sequence.
|
|---|
| 453 | * A DB_Error object on failure.
|
|---|
| 454 | *
|
|---|
| 455 | * @see DB_common::nextID(), DB_common::getSequenceName(),
|
|---|
| 456 | * DB_fbsql::createSequence(), DB_fbsql::dropSequence()
|
|---|
| 457 | */
|
|---|
| 458 | function nextId($seq_name, $ondemand = true)
|
|---|
| 459 | {
|
|---|
| 460 | $seqname = $this->getSequenceName($seq_name);
|
|---|
| 461 | do {
|
|---|
| 462 | $repeat = 0;
|
|---|
| 463 | $this->pushErrorHandling(PEAR_ERROR_RETURN);
|
|---|
| 464 | $result = $this->query('SELECT UNIQUE FROM ' . $seqname);
|
|---|
| 465 | $this->popErrorHandling();
|
|---|
| 466 | if ($ondemand && DB::isError($result) &&
|
|---|
| 467 | $result->getCode() == DB_ERROR_NOSUCHTABLE) {
|
|---|
| 468 | $repeat = 1;
|
|---|
| 469 | $result = $this->createSequence($seq_name);
|
|---|
| 470 | if (DB::isError($result)) {
|
|---|
| 471 | return $result;
|
|---|
| 472 | }
|
|---|
| 473 | } else {
|
|---|
| 474 | $repeat = 0;
|
|---|
| 475 | }
|
|---|
| 476 | } while ($repeat);
|
|---|
| 477 | if (DB::isError($result)) {
|
|---|
| 478 | return $this->fbsqlRaiseError();
|
|---|
| 479 | }
|
|---|
| 480 | $result->fetchInto($tmp, DB_FETCHMODE_ORDERED);
|
|---|
| 481 | return $tmp[0];
|
|---|
| 482 | }
|
|---|
| 483 |
|
|---|
| 484 | /**
|
|---|
| 485 | * Creates a new sequence
|
|---|
| 486 | *
|
|---|
| 487 | * @param string $seq_name name of the new sequence
|
|---|
| 488 | *
|
|---|
| 489 | * @return int DB_OK on success. A DB_Error object on failure.
|
|---|
| 490 | *
|
|---|
| 491 | * @see DB_common::createSequence(), DB_common::getSequenceName(),
|
|---|
| 492 | * DB_fbsql::nextID(), DB_fbsql::dropSequence()
|
|---|
| 493 | */
|
|---|
| 494 | function createSequence($seq_name)
|
|---|
| 495 | {
|
|---|
| 496 | $seqname = $this->getSequenceName($seq_name);
|
|---|
| 497 | $res = $this->query('CREATE TABLE ' . $seqname
|
|---|
| 498 | . ' (id INTEGER NOT NULL,'
|
|---|
| 499 | . ' PRIMARY KEY(id))');
|
|---|
| 500 | if ($res) {
|
|---|
| 501 | $res = $this->query('SET UNIQUE = 0 FOR ' . $seqname);
|
|---|
| 502 | }
|
|---|
| 503 | return $res;
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | // }}}
|
|---|
| 507 | // {{{ dropSequence()
|
|---|
| 508 |
|
|---|
| 509 | /**
|
|---|
| 510 | * Deletes a sequence
|
|---|
| 511 | *
|
|---|
| 512 | * @param string $seq_name name of the sequence to be deleted
|
|---|
| 513 | *
|
|---|
| 514 | * @return int DB_OK on success. A DB_Error object on failure.
|
|---|
| 515 | *
|
|---|
| 516 | * @see DB_common::dropSequence(), DB_common::getSequenceName(),
|
|---|
| 517 | * DB_fbsql::nextID(), DB_fbsql::createSequence()
|
|---|
| 518 | */
|
|---|
| 519 | function dropSequence($seq_name)
|
|---|
| 520 | {
|
|---|
| 521 | return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name)
|
|---|
| 522 | . ' RESTRICT');
|
|---|
| 523 | }
|
|---|
| 524 |
|
|---|
| 525 | // }}}
|
|---|
| 526 | // {{{ modifyLimitQuery()
|
|---|
| 527 |
|
|---|
| 528 | /**
|
|---|
| 529 | * Adds LIMIT clauses to a query string according to current DBMS standards
|
|---|
| 530 | *
|
|---|
| 531 | * @param string $query the query to modify
|
|---|
| 532 | * @param int $from the row to start to fetching (0 = the first row)
|
|---|
| 533 | * @param int $count the numbers of rows to fetch
|
|---|
| 534 | * @param mixed $params array, string or numeric data to be used in
|
|---|
| 535 | * execution of the statement. Quantity of items
|
|---|
| 536 | * passed must match quantity of placeholders in
|
|---|
| 537 | * query: meaning 1 placeholder for non-array
|
|---|
| 538 | * parameters or 1 placeholder per array element.
|
|---|
| 539 | *
|
|---|
| 540 | * @return string the query string with LIMIT clauses added
|
|---|
| 541 | *
|
|---|
| 542 | * @access protected
|
|---|
| 543 | */
|
|---|
| 544 | function modifyLimitQuery($query, $from, $count, $params = array())
|
|---|
| 545 | {
|
|---|
| 546 | if (DB::isManip($query)) {
|
|---|
| 547 | return preg_replace('/^([\s(])*SELECT/i',
|
|---|
| 548 | "\\1SELECT TOP($count)", $query);
|
|---|
| 549 | } else {
|
|---|
| 550 | return preg_replace('/([\s(])*SELECT/i',
|
|---|
| 551 | "\\1SELECT TOP($from, $count)", $query);
|
|---|
| 552 | }
|
|---|
| 553 | }
|
|---|
| 554 |
|
|---|
| 555 | // }}}
|
|---|
| 556 | // {{{ quoteSmart()
|
|---|
| 557 |
|
|---|
| 558 | /**
|
|---|
| 559 | * Formats input so it can be safely used in a query
|
|---|
| 560 | *
|
|---|
| 561 | * @param mixed $in the data to be formatted
|
|---|
| 562 | *
|
|---|
| 563 | * @return mixed the formatted data. The format depends on the input's
|
|---|
| 564 | * PHP type:
|
|---|
| 565 | * + null = the string <samp>NULL</samp>
|
|---|
| 566 | * + boolean = string <samp>TRUE</samp> or <samp>FALSE</samp>
|
|---|
| 567 | * + integer or double = the unquoted number
|
|---|
| 568 | * + other (including strings and numeric strings) =
|
|---|
| 569 | * the data escaped according to FrontBase's settings
|
|---|
| 570 | * then encapsulated between single quotes
|
|---|
| 571 | *
|
|---|
| 572 | * @see DB_common::quoteSmart()
|
|---|
| 573 | * @since Method available since Release 1.6.0
|
|---|
| 574 | */
|
|---|
| 575 | function quoteSmart($in)
|
|---|
| 576 | {
|
|---|
| 577 | if (is_int($in) || is_double($in)) {
|
|---|
| 578 | return $in;
|
|---|
| 579 | } elseif (is_bool($in)) {
|
|---|
| 580 | return $in ? 'TRUE' : 'FALSE';
|
|---|
| 581 | } elseif (is_null($in)) {
|
|---|
| 582 | return 'NULL';
|
|---|
| 583 | } else {
|
|---|
| 584 | return "'" . $this->escapeSimple($in) . "'";
|
|---|
| 585 | }
|
|---|
| 586 | }
|
|---|
| 587 |
|
|---|
| 588 | // }}}
|
|---|
| 589 | // {{{ fbsqlRaiseError()
|
|---|
| 590 |
|
|---|
| 591 | /**
|
|---|
| 592 | * Produces a DB_Error object regarding the current problem
|
|---|
| 593 | *
|
|---|
| 594 | * @param int $errno if the error is being manually raised pass a
|
|---|
| 595 | * DB_ERROR* constant here. If this isn't passed
|
|---|
| 596 | * the error information gathered from the DBMS.
|
|---|
| 597 | *
|
|---|
| 598 | * @return object the DB_Error object
|
|---|
| 599 | *
|
|---|
| 600 | * @see DB_common::raiseError(),
|
|---|
| 601 | * DB_fbsql::errorNative(), DB_common::errorCode()
|
|---|
| 602 | */
|
|---|
| 603 | function fbsqlRaiseError($errno = null)
|
|---|
| 604 | {
|
|---|
| 605 | if ($errno === null) {
|
|---|
| 606 | $errno = $this->errorCode(fbsql_errno($this->connection));
|
|---|
| 607 | }
|
|---|
| 608 | return $this->raiseError($errno, null, null, null,
|
|---|
| 609 | @fbsql_error($this->connection));
|
|---|
| 610 | }
|
|---|
| 611 |
|
|---|
| 612 | // }}}
|
|---|
| 613 | // {{{ errorNative()
|
|---|
| 614 |
|
|---|
| 615 | /**
|
|---|
| 616 | * Gets the DBMS' native error code produced by the last query
|
|---|
| 617 | *
|
|---|
| 618 | * @return int the DBMS' error code
|
|---|
| 619 | */
|
|---|
| 620 | function errorNative()
|
|---|
| 621 | {
|
|---|
| 622 | return @fbsql_errno($this->connection);
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | // }}}
|
|---|
| 626 | // {{{ tableInfo()
|
|---|
| 627 |
|
|---|
| 628 | /**
|
|---|
| 629 | * Returns information about a table or a result set
|
|---|
| 630 | *
|
|---|
| 631 | * @param object|string $result DB_result object from a query or a
|
|---|
| 632 | * string containing the name of a table.
|
|---|
| 633 | * While this also accepts a query result
|
|---|
| 634 | * resource identifier, this behavior is
|
|---|
| 635 | * deprecated.
|
|---|
| 636 | * @param int $mode a valid tableInfo mode
|
|---|
| 637 | *
|
|---|
| 638 | * @return array an associative array with the information requested.
|
|---|
| 639 | * A DB_Error object on failure.
|
|---|
| 640 | *
|
|---|
| 641 | * @see DB_common::tableInfo()
|
|---|
| 642 | */
|
|---|
| 643 | function tableInfo($result, $mode = null)
|
|---|
| 644 | {
|
|---|
| 645 | if (is_string($result)) {
|
|---|
| 646 | /*
|
|---|
| 647 | * Probably received a table name.
|
|---|
| 648 | * Create a result resource identifier.
|
|---|
| 649 | */
|
|---|
| 650 | $id = @fbsql_list_fields($this->dsn['database'],
|
|---|
| 651 | $result, $this->connection);
|
|---|
| 652 | $got_string = true;
|
|---|
| 653 | } elseif (isset($result->result)) {
|
|---|
| 654 | /*
|
|---|
| 655 | * Probably received a result object.
|
|---|
| 656 | * Extract the result resource identifier.
|
|---|
| 657 | */
|
|---|
| 658 | $id = $result->result;
|
|---|
| 659 | $got_string = false;
|
|---|
| 660 | } else {
|
|---|
| 661 | /*
|
|---|
| 662 | * Probably received a result resource identifier.
|
|---|
| 663 | * Copy it.
|
|---|
| 664 | * Deprecated. Here for compatibility only.
|
|---|
| 665 | */
|
|---|
| 666 | $id = $result;
|
|---|
| 667 | $got_string = false;
|
|---|
| 668 | }
|
|---|
| 669 |
|
|---|
| 670 | if (!is_resource($id)) {
|
|---|
| 671 | return $this->fbsqlRaiseError(DB_ERROR_NEED_MORE_DATA);
|
|---|
| 672 | }
|
|---|
| 673 |
|
|---|
| 674 | if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
|
|---|
| 675 | $case_func = 'strtolower';
|
|---|
| 676 | } else {
|
|---|
| 677 | $case_func = 'strval';
|
|---|
| 678 | }
|
|---|
| 679 |
|
|---|
| 680 | $count = @fbsql_num_fields($id);
|
|---|
| 681 | $res = array();
|
|---|
| 682 |
|
|---|
| 683 | if ($mode) {
|
|---|
| 684 | $res['num_fields'] = $count;
|
|---|
| 685 | }
|
|---|
| 686 |
|
|---|
| 687 | for ($i = 0; $i < $count; $i++) {
|
|---|
| 688 | $res[$i] = array(
|
|---|
| 689 | 'table' => $case_func(@fbsql_field_table($id, $i)),
|
|---|
| 690 | 'name' => $case_func(@fbsql_field_name($id, $i)),
|
|---|
| 691 | 'type' => @fbsql_field_type($id, $i),
|
|---|
| 692 | 'len' => @fbsql_field_len($id, $i),
|
|---|
| 693 | 'flags' => @fbsql_field_flags($id, $i),
|
|---|
| 694 | );
|
|---|
| 695 | if ($mode & DB_TABLEINFO_ORDER) {
|
|---|
| 696 | $res['order'][$res[$i]['name']] = $i;
|
|---|
| 697 | }
|
|---|
| 698 | if ($mode & DB_TABLEINFO_ORDERTABLE) {
|
|---|
| 699 | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
|
|---|
| 700 | }
|
|---|
| 701 | }
|
|---|
| 702 |
|
|---|
| 703 | // free the result only if we were called on a table
|
|---|
| 704 | if ($got_string) {
|
|---|
| 705 | @fbsql_free_result($id);
|
|---|
| 706 | }
|
|---|
| 707 | return $res;
|
|---|
| 708 | }
|
|---|
| 709 |
|
|---|
| 710 | // }}}
|
|---|
| 711 | // {{{ getSpecialQuery()
|
|---|
| 712 |
|
|---|
| 713 | /**
|
|---|
| 714 | * Obtains the query string needed for listing a given type of objects
|
|---|
| 715 | *
|
|---|
| 716 | * @param string $type the kind of objects you want to retrieve
|
|---|
| 717 | *
|
|---|
| 718 | * @return string the SQL query string or null if the driver doesn't
|
|---|
| 719 | * support the object type requested
|
|---|
| 720 | *
|
|---|
| 721 | * @access protected
|
|---|
| 722 | * @see DB_common::getListOf()
|
|---|
| 723 | */
|
|---|
| 724 | function getSpecialQuery($type)
|
|---|
| 725 | {
|
|---|
| 726 | switch ($type) {
|
|---|
| 727 | case 'tables':
|
|---|
| 728 | return 'SELECT "table_name" FROM information_schema.tables'
|
|---|
| 729 | . ' t0, information_schema.schemata t1'
|
|---|
| 730 | . ' WHERE t0.schema_pk=t1.schema_pk AND'
|
|---|
| 731 | . ' "table_type" = \'BASE TABLE\''
|
|---|
| 732 | . ' AND "schema_name" = current_schema';
|
|---|
| 733 | case 'views':
|
|---|
| 734 | return 'SELECT "table_name" FROM information_schema.tables'
|
|---|
| 735 | . ' t0, information_schema.schemata t1'
|
|---|
| 736 | . ' WHERE t0.schema_pk=t1.schema_pk AND'
|
|---|
| 737 | . ' "table_type" = \'VIEW\''
|
|---|
| 738 | . ' AND "schema_name" = current_schema';
|
|---|
| 739 | case 'users':
|
|---|
| 740 | return 'SELECT "user_name" from information_schema.users';
|
|---|
| 741 | case 'functions':
|
|---|
| 742 | return 'SELECT "routine_name" FROM'
|
|---|
| 743 | . ' information_schema.psm_routines'
|
|---|
| 744 | . ' t0, information_schema.schemata t1'
|
|---|
| 745 | . ' WHERE t0.schema_pk=t1.schema_pk'
|
|---|
| 746 | . ' AND "routine_kind"=\'FUNCTION\''
|
|---|
| 747 | . ' AND "schema_name" = current_schema';
|
|---|
| 748 | case 'procedures':
|
|---|
| 749 | return 'SELECT "routine_name" FROM'
|
|---|
| 750 | . ' information_schema.psm_routines'
|
|---|
| 751 | . ' t0, information_schema.schemata t1'
|
|---|
| 752 | . ' WHERE t0.schema_pk=t1.schema_pk'
|
|---|
| 753 | . ' AND "routine_kind"=\'PROCEDURE\''
|
|---|
| 754 | . ' AND "schema_name" = current_schema';
|
|---|
| 755 | default:
|
|---|
| 756 | return null;
|
|---|
| 757 | }
|
|---|
| 758 | }
|
|---|
| 759 |
|
|---|
| 760 | // }}}
|
|---|
| 761 | }
|
|---|
| 762 |
|
|---|
| 763 | /*
|
|---|
| 764 | * Local variables:
|
|---|
| 765 | * tab-width: 4
|
|---|
| 766 | * c-basic-offset: 4
|
|---|
| 767 | * End:
|
|---|
| 768 | */
|
|---|
| 769 |
|
|---|
| 770 | ?> |
|---|