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 license@php.net 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 <frank@frontbase.com> |
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20 | * @author Daniel Convissor <danielc@php.net> |
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21 | * @copyright 1997-2007 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: $Id$ |
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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 <frank@frontbase.com> |
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41 | * @author Daniel Convissor <danielc@php.net> |
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42 | * @copyright 1997-2007 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: 1.7.14RC1 |
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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 $this->fbsqlRaiseError(); |
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229 | } |
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230 | // Determine which queries that should return data, and which |
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231 | // should return an error code only. |
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232 | if ($this->_checkManip($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 is_resource($result) ? fbsql_free_result($result) : false; |
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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 | $this->query("SET COMMIT FALSE"); |
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343 | } |
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344 | } |
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345 | |
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346 | // }}} |
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347 | // {{{ commit() |
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348 | |
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349 | /** |
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350 | * Commits the current transaction |
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351 | * |
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352 | * @return int DB_OK on success. A DB_Error object on failure. |
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353 | */ |
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354 | function commit() |
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355 | { |
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356 | @fbsql_commit($this->connection); |
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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($this->connection); |
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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 $rows; |
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420 | } |
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421 | |
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422 | // }}} |
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423 | // {{{ affectedRows() |
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424 | |
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425 | /** |
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426 | * Determines the number of rows affected by a data maniuplation query |
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427 | * |
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428 | * 0 is returned for queries that don't manipulate data. |
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429 | * |
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430 | * @return int the number of rows. A DB_Error object on failure. |
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431 | */ |
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432 | function affectedRows() |
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433 | { |
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434 | if ($this->_last_query_manip) { |
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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 | /** |
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446 | * Returns the next free id in a sequence |
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447 | * |
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448 | * @param string $seq_name name of the sequence |
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449 | * @param boolean $ondemand when true, the seqence is automatically |
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450 | * created if it does not exist |
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451 | * |
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452 | * @return int the next id number in the sequence. |
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453 | * A DB_Error object on failure. |
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454 | * |
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455 | * @see DB_common::nextID(), DB_common::getSequenceName(), |
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456 | * DB_fbsql::createSequence(), DB_fbsql::dropSequence() |
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457 | */ |
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458 | function nextId($seq_name, $ondemand = true) |
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459 | { |
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460 | $seqname = $this->getSequenceName($seq_name); |
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461 | do { |
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462 | $repeat = 0; |
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463 | $this->pushErrorHandling(PEAR_ERROR_RETURN); |
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464 | $result = $this->query('SELECT UNIQUE FROM ' . $seqname); |
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465 | $this->popErrorHandling(); |
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466 | if ($ondemand && DB::isError($result) && |
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467 | $result->getCode() == DB_ERROR_NOSUCHTABLE) { |
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468 | $repeat = 1; |
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469 | $result = $this->createSequence($seq_name); |
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470 | if (DB::isError($result)) { |
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471 | return $result; |
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472 | } |
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473 | } else { |
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474 | $repeat = 0; |
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475 | } |
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476 | } while ($repeat); |
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477 | if (DB::isError($result)) { |
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478 | return $this->fbsqlRaiseError(); |
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479 | } |
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480 | $result->fetchInto($tmp, DB_FETCHMODE_ORDERED); |
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481 | return $tmp[0]; |
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482 | } |
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483 | |
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484 | /** |
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485 | * Creates a new sequence |
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486 | * |
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487 | * @param string $seq_name name of the new sequence |
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488 | * |
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489 | * @return int DB_OK on success. A DB_Error object on failure. |
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490 | * |
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491 | * @see DB_common::createSequence(), DB_common::getSequenceName(), |
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492 | * DB_fbsql::nextID(), DB_fbsql::dropSequence() |
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493 | */ |
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494 | function createSequence($seq_name) |
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495 | { |
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496 | $seqname = $this->getSequenceName($seq_name); |
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497 | $res = $this->query('CREATE TABLE ' . $seqname |
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498 | . ' (id INTEGER NOT NULL,' |
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499 | . ' PRIMARY KEY(id))'); |
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500 | if ($res) { |
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501 | $res = $this->query('SET UNIQUE = 0 FOR ' . $seqname); |
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502 | } |
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503 | return $res; |
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504 | } |
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505 | |
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506 | // }}} |
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507 | // {{{ dropSequence() |
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508 | |
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509 | /** |
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510 | * Deletes a sequence |
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511 | * |
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512 | * @param string $seq_name name of the sequence to be deleted |
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513 | * |
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514 | * @return int DB_OK on success. A DB_Error object on failure. |
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515 | * |
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516 | * @see DB_common::dropSequence(), DB_common::getSequenceName(), |
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517 | * DB_fbsql::nextID(), DB_fbsql::createSequence() |
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518 | */ |
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519 | function dropSequence($seq_name) |
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520 | { |
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521 | return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name) |
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522 | . ' RESTRICT'); |
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523 | } |
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524 | |
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525 | // }}} |
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526 | // {{{ modifyLimitQuery() |
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527 | |
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528 | /** |
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529 | * Adds LIMIT clauses to a query string according to current DBMS standards |
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530 | * |
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531 | * @param string $query the query to modify |
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532 | * @param int $from the row to start to fetching (0 = the first row) |
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533 | * @param int $count the numbers of rows to fetch |
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534 | * @param mixed $params array, string or numeric data to be used in |
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535 | * execution of the statement. Quantity of items |
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536 | * passed must match quantity of placeholders in |
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537 | * query: meaning 1 placeholder for non-array |
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538 | * parameters or 1 placeholder per array element. |
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539 | * |
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540 | * @return string the query string with LIMIT clauses added |
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541 | * |
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542 | * @access protected |
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543 | */ |
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544 | function modifyLimitQuery($query, $from, $count, $params = array()) |
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545 | { |
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546 | if (DB::isManip($query) || $this->_next_query_manip) { |
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547 | return preg_replace('/^([\s(])*SELECT/i', |
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548 | "\\1SELECT TOP($count)", $query); |
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549 | } else { |
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550 | return preg_replace('/([\s(])*SELECT/i', |
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551 | "\\1SELECT TOP($from, $count)", $query); |
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552 | } |
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553 | } |
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554 | |
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555 | // }}} |
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556 | // {{{ quoteBoolean() |
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557 | |
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558 | /** |
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559 | * Formats a boolean value for use within a query in a locale-independent |
---|
560 | * manner. |
---|
561 | * |
---|
562 | * @param boolean the boolean value to be quoted. |
---|
563 | * @return string the quoted string. |
---|
564 | * @see DB_common::quoteSmart() |
---|
565 | * @since Method available since release 1.7.8. |
---|
566 | */ |
---|
567 | function quoteBoolean($boolean) { |
---|
568 | return $boolean ? 'TRUE' : 'FALSE'; |
---|
569 | } |
---|
570 | |
---|
571 | // }}} |
---|
572 | // {{{ quoteFloat() |
---|
573 | |
---|
574 | /** |
---|
575 | * Formats a float value for use within a query in a locale-independent |
---|
576 | * manner. |
---|
577 | * |
---|
578 | * @param float the float value to be quoted. |
---|
579 | * @return string the quoted string. |
---|
580 | * @see DB_common::quoteSmart() |
---|
581 | * @since Method available since release 1.7.8. |
---|
582 | */ |
---|
583 | function quoteFloat($float) { |
---|
584 | return $this->escapeSimple(str_replace(',', '.', strval(floatval($float)))); |
---|
585 | } |
---|
586 | |
---|
587 | // }}} |
---|
588 | // {{{ fbsqlRaiseError() |
---|
589 | |
---|
590 | /** |
---|
591 | * Produces a DB_Error object regarding the current problem |
---|
592 | * |
---|
593 | * @param int $errno if the error is being manually raised pass a |
---|
594 | * DB_ERROR* constant here. If this isn't passed |
---|
595 | * the error information gathered from the DBMS. |
---|
596 | * |
---|
597 | * @return object the DB_Error object |
---|
598 | * |
---|
599 | * @see DB_common::raiseError(), |
---|
600 | * DB_fbsql::errorNative(), DB_common::errorCode() |
---|
601 | */ |
---|
602 | function fbsqlRaiseError($errno = null) |
---|
603 | { |
---|
604 | if ($errno === null) { |
---|
605 | $errno = $this->errorCode(fbsql_errno($this->connection)); |
---|
606 | } |
---|
607 | return $this->raiseError($errno, null, null, null, |
---|
608 | @fbsql_error($this->connection)); |
---|
609 | } |
---|
610 | |
---|
611 | // }}} |
---|
612 | // {{{ errorNative() |
---|
613 | |
---|
614 | /** |
---|
615 | * Gets the DBMS' native error code produced by the last query |
---|
616 | * |
---|
617 | * @return int the DBMS' error code |
---|
618 | */ |
---|
619 | function errorNative() |
---|
620 | { |
---|
621 | return @fbsql_errno($this->connection); |
---|
622 | } |
---|
623 | |
---|
624 | // }}} |
---|
625 | // {{{ tableInfo() |
---|
626 | |
---|
627 | /** |
---|
628 | * Returns information about a table or a result set |
---|
629 | * |
---|
630 | * @param object|string $result DB_result object from a query or a |
---|
631 | * string containing the name of a table. |
---|
632 | * While this also accepts a query result |
---|
633 | * resource identifier, this behavior is |
---|
634 | * deprecated. |
---|
635 | * @param int $mode a valid tableInfo mode |
---|
636 | * |
---|
637 | * @return array an associative array with the information requested. |
---|
638 | * A DB_Error object on failure. |
---|
639 | * |
---|
640 | * @see DB_common::tableInfo() |
---|
641 | */ |
---|
642 | function tableInfo($result, $mode = null) |
---|
643 | { |
---|
644 | if (is_string($result)) { |
---|
645 | /* |
---|
646 | * Probably received a table name. |
---|
647 | * Create a result resource identifier. |
---|
648 | */ |
---|
649 | $id = @fbsql_list_fields($this->dsn['database'], |
---|
650 | $result, $this->connection); |
---|
651 | $got_string = true; |
---|
652 | } elseif (isset($result->result)) { |
---|
653 | /* |
---|
654 | * Probably received a result object. |
---|
655 | * Extract the result resource identifier. |
---|
656 | */ |
---|
657 | $id = $result->result; |
---|
658 | $got_string = false; |
---|
659 | } else { |
---|
660 | /* |
---|
661 | * Probably received a result resource identifier. |
---|
662 | * Copy it. |
---|
663 | * Deprecated. Here for compatibility only. |
---|
664 | */ |
---|
665 | $id = $result; |
---|
666 | $got_string = false; |
---|
667 | } |
---|
668 | |
---|
669 | if (!is_resource($id)) { |
---|
670 | return $this->fbsqlRaiseError(DB_ERROR_NEED_MORE_DATA); |
---|
671 | } |
---|
672 | |
---|
673 | if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) { |
---|
674 | $case_func = 'strtolower'; |
---|
675 | } else { |
---|
676 | $case_func = 'strval'; |
---|
677 | } |
---|
678 | |
---|
679 | $count = @fbsql_num_fields($id); |
---|
680 | $res = array(); |
---|
681 | |
---|
682 | if ($mode) { |
---|
683 | $res['num_fields'] = $count; |
---|
684 | } |
---|
685 | |
---|
686 | for ($i = 0; $i < $count; $i++) { |
---|
687 | $res[$i] = array( |
---|
688 | 'table' => $case_func(@fbsql_field_table($id, $i)), |
---|
689 | 'name' => $case_func(@fbsql_field_name($id, $i)), |
---|
690 | 'type' => @fbsql_field_type($id, $i), |
---|
691 | 'len' => @fbsql_field_len($id, $i), |
---|
692 | 'flags' => @fbsql_field_flags($id, $i), |
---|
693 | ); |
---|
694 | if ($mode & DB_TABLEINFO_ORDER) { |
---|
695 | $res['order'][$res[$i]['name']] = $i; |
---|
696 | } |
---|
697 | if ($mode & DB_TABLEINFO_ORDERTABLE) { |
---|
698 | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; |
---|
699 | } |
---|
700 | } |
---|
701 | |
---|
702 | // free the result only if we were called on a table |
---|
703 | if ($got_string) { |
---|
704 | @fbsql_free_result($id); |
---|
705 | } |
---|
706 | return $res; |
---|
707 | } |
---|
708 | |
---|
709 | // }}} |
---|
710 | // {{{ getSpecialQuery() |
---|
711 | |
---|
712 | /** |
---|
713 | * Obtains the query string needed for listing a given type of objects |
---|
714 | * |
---|
715 | * @param string $type the kind of objects you want to retrieve |
---|
716 | * |
---|
717 | * @return string the SQL query string or null if the driver doesn't |
---|
718 | * support the object type requested |
---|
719 | * |
---|
720 | * @access protected |
---|
721 | * @see DB_common::getListOf() |
---|
722 | */ |
---|
723 | function getSpecialQuery($type) |
---|
724 | { |
---|
725 | switch ($type) { |
---|
726 | case 'tables': |
---|
727 | return 'SELECT "table_name" FROM information_schema.tables' |
---|
728 | . ' t0, information_schema.schemata t1' |
---|
729 | . ' WHERE t0.schema_pk=t1.schema_pk AND' |
---|
730 | . ' "table_type" = \'BASE TABLE\'' |
---|
731 | . ' AND "schema_name" = current_schema'; |
---|
732 | case 'views': |
---|
733 | return 'SELECT "table_name" FROM information_schema.tables' |
---|
734 | . ' t0, information_schema.schemata t1' |
---|
735 | . ' WHERE t0.schema_pk=t1.schema_pk AND' |
---|
736 | . ' "table_type" = \'VIEW\'' |
---|
737 | . ' AND "schema_name" = current_schema'; |
---|
738 | case 'users': |
---|
739 | return 'SELECT "user_name" from information_schema.users'; |
---|
740 | case 'functions': |
---|
741 | return 'SELECT "routine_name" FROM' |
---|
742 | . ' information_schema.psm_routines' |
---|
743 | . ' t0, information_schema.schemata t1' |
---|
744 | . ' WHERE t0.schema_pk=t1.schema_pk' |
---|
745 | . ' AND "routine_kind"=\'FUNCTION\'' |
---|
746 | . ' AND "schema_name" = current_schema'; |
---|
747 | case 'procedures': |
---|
748 | return 'SELECT "routine_name" FROM' |
---|
749 | . ' information_schema.psm_routines' |
---|
750 | . ' t0, information_schema.schemata t1' |
---|
751 | . ' WHERE t0.schema_pk=t1.schema_pk' |
---|
752 | . ' AND "routine_kind"=\'PROCEDURE\'' |
---|
753 | . ' AND "schema_name" = current_schema'; |
---|
754 | default: |
---|
755 | return null; |
---|
756 | } |
---|
757 | } |
---|
758 | |
---|
759 | // }}} |
---|
760 | } |
---|
761 | |
---|
762 | /* |
---|
763 | * Local variables: |
---|
764 | * tab-width: 4 |
---|
765 | * c-basic-offset: 4 |
---|
766 | * End: |
---|
767 | */ |
---|
768 | |
---|
769 | ?> |
---|