| commit | author | age | ||
| b076a4 | 1 | <?php |
| T | 2 | // +----------------------------------------------------------------------+ |
| 3 | // | PHP versions 4 and 5 | | |
| 4 | // +----------------------------------------------------------------------+ | |
| 5 | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | | |
| 6 | // | Stig. S. Bakken, Lukas Smith | | |
| 7 | // | All rights reserved. | | |
| 8 | // +----------------------------------------------------------------------+ | |
| 9 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | | |
| 10 | // | API as well as database abstraction for PHP applications. | | |
| 11 | // | This LICENSE is in the BSD license style. | | |
| 12 | // | | | |
| 13 | // | Redistribution and use in source and binary forms, with or without | | |
| 14 | // | modification, are permitted provided that the following conditions | | |
| 15 | // | are met: | | |
| 16 | // | | | |
| 17 | // | Redistributions of source code must retain the above copyright | | |
| 18 | // | notice, this list of conditions and the following disclaimer. | | |
| 19 | // | | | |
| 20 | // | Redistributions in binary form must reproduce the above copyright | | |
| 21 | // | notice, this list of conditions and the following disclaimer in the | | |
| 22 | // | documentation and/or other materials provided with the distribution. | | |
| 23 | // | | | |
| 24 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | | |
| 25 | // | Lukas Smith nor the names of his contributors may be used to endorse | | |
| 26 | // | or promote products derived from this software without specific prior| | |
| 27 | // | written permission. | | |
| 28 | // | | | |
| 29 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | | |
| 30 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | | |
| 31 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | | |
| 32 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | | |
| 33 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | | |
| 34 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | | |
| 35 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| | |
| 36 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | | |
| 37 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | |
| 38 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| | |
| 39 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | |
| 40 | // | POSSIBILITY OF SUCH DAMAGE. | | |
| 41 | // +----------------------------------------------------------------------+ | |
| 42 | // | Author: Lukas Smith <smith@pooteeweet.org> | | |
| 43 | // +----------------------------------------------------------------------+ | |
| 44 | // | |
| 45 | // $Id$ | |
| 46 | // | |
| 47 | ||
| 48 | require_once 'MDB2/Driver/Reverse/Common.php'; | |
| 49 | ||
| 50 | /** | |
| 51 | * MDB2 MySQL driver for the schema reverse engineering module | |
| 52 | * | |
| 53 | * @package MDB2 | |
| 54 | * @category Database | |
| 55 | * @author Lukas Smith <smith@pooteeweet.org> | |
| 56 | */ | |
| 57 | class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common | |
| 58 | { | |
| 59 | // {{{ getTableFieldDefinition() | |
| 60 | ||
| 61 | /** | |
| 62 | * get the stucture of a field into an array | |
| 63 | * | |
| 64 | * @param string $table name of table that should be used in method | |
| 65 | * @param string $field_name name of field that should be used in method | |
| 66 | * @return mixed data array on success, a MDB2 error on failure | |
| 67 | * @access public | |
| 68 | */ | |
| 69 | function getTableFieldDefinition($table, $field_name) | |
| 70 | { | |
| 71 | $db =& $this->getDBInstance(); | |
| 72 | if (PEAR::isError($db)) { | |
| 73 | return $db; | |
| 74 | } | |
| 75 | ||
| 76 | $result = $db->loadModule('Datatype'); | |
| 77 | if (PEAR::isError($result)) { | |
| 78 | return $result; | |
| 79 | } | |
| 80 | $columns = $db->queryAll("SHOW COLUMNS FROM $table", null, MDB2_FETCHMODE_ASSOC); | |
| 81 | if (PEAR::isError($columns)) { | |
| 82 | return $columns; | |
| 83 | } | |
| 84 | foreach ($columns as $column) { | |
| 85 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 86 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 87 | $column['field'] = strtolower($column['field']); | |
| 88 | } else { | |
| 89 | $column['field'] = strtoupper($column['field']); | |
| 90 | } | |
| 91 | } else { | |
| 92 | $column = array_change_key_case($column, $db->options['field_case']); | |
| 93 | } | |
| 94 | if ($field_name == $column['field']) { | |
| 95 | list($types, $length) = $db->datatype->mapNativeDatatype($column); | |
| 96 | $notnull = false; | |
| 97 | if (array_key_exists('null', $column) && $column['null'] != 'YES') { | |
| 98 | $notnull = true; | |
| 99 | } | |
| 100 | $default = false; | |
| 101 | if (array_key_exists('default', $column)) { | |
| 102 | $default = $column['default']; | |
| 103 | if (is_null($default) && $notnull) { | |
| 104 | $default = ''; | |
| 105 | } | |
| 106 | } | |
| 107 | $autoincrement = false; | |
| 108 | if (array_key_exists('extra', $column) && $column['extra'] == 'auto_increment') { | |
| 109 | $autoincrement = true; | |
| 110 | } | |
| 111 | $definition = array(); | |
| 112 | foreach ($types as $key => $type) { | |
| 113 | $definition[$key] = array( | |
| 114 | 'type' => $type, | |
| 115 | 'notnull' => $notnull, | |
| 116 | ); | |
| 117 | if ($length > 0) { | |
| 118 | $definition[$key]['length'] = $length; | |
| 119 | } | |
| 120 | if ($default !== false) { | |
| 121 | $definition[$key]['default'] = $default; | |
| 122 | } | |
| 123 | if ($autoincrement !== false) { | |
| 124 | $definition[$key]['autoincrement'] = $autoincrement; | |
| 125 | } | |
| 126 | } | |
| 127 | return $definition; | |
| 128 | } | |
| 129 | } | |
| 130 | ||
| 131 | return $db->raiseError(MDB2_ERROR, null, null, | |
| 132 | 'getTableFieldDefinition: it was not specified an existing table column'); | |
| 133 | } | |
| 134 | ||
| 135 | // }}} | |
| 136 | // {{{ getTableIndexDefinition() | |
| 137 | ||
| 138 | /** | |
| 139 | * get the stucture of an index into an array | |
| 140 | * | |
| 141 | * @param string $table name of table that should be used in method | |
| 142 | * @param string $index_name name of index that should be used in method | |
| 143 | * @return mixed data array on success, a MDB2 error on failure | |
| 144 | * @access public | |
| 145 | */ | |
| 146 | function getTableIndexDefinition($table, $index_name) | |
| 147 | { | |
| 148 | $db =& $this->getDBInstance(); | |
| 149 | if (PEAR::isError($db)) { | |
| 150 | return $db; | |
| 151 | } | |
| 152 | ||
| 153 | $result = $db->query("SHOW INDEX FROM $table"); | |
| 154 | if (PEAR::isError($result)) { | |
| 155 | return $result; | |
| 156 | } | |
| 157 | $definition = array(); | |
| 158 | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) { | |
| 159 | if (!($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) | |
| 160 | || $db->options['field_case'] != CASE_LOWER | |
| 161 | ) { | |
| 162 | $row = array_change_key_case($row, CASE_LOWER); | |
| 163 | } | |
| 164 | $key_name = $row['key_name']; | |
| 165 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 166 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 167 | $key_name = strtolower($key_name); | |
| 168 | } else { | |
| 169 | $key_name = strtoupper($key_name); | |
| 170 | } | |
| 171 | } | |
| 172 | if ($index_name == $key_name) { | |
| 173 | if ($row['key_name'] == 'PRIMARY') { | |
| 174 | $definition['primary'] = true; | |
| 175 | } elseif (!$row['non_unique']) { | |
| 176 | $definition['unique'] = true; | |
| 177 | } | |
| 178 | $column_name = $row['column_name']; | |
| 179 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 180 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 181 | $column_name = strtolower($column_name); | |
| 182 | } else { | |
| 183 | $column_name = strtoupper($column_name); | |
| 184 | } | |
| 185 | } | |
| 186 | $definition['fields'][$column_name] = array(); | |
| 187 | if (array_key_exists('collation', $row)) { | |
| 188 | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A' | |
| 189 | ? 'ascending' : 'descending'); | |
| 190 | } | |
| 191 | } | |
| 192 | } | |
| 193 | $result->free(); | |
| 194 | if (!array_key_exists('fields', $definition)) { | |
| 195 | return $db->raiseError(MDB2_ERROR, null, null, | |
| 196 | 'getTableIndexDefinition: it was not specified an existing table index'); | |
| 197 | } | |
| 198 | return $definition; | |
| 199 | } | |
| 200 | ||
| 201 | // }}} | |
| 202 | // {{{ tableInfo() | |
| 203 | ||
| 204 | /** | |
| 205 | * Returns information about a table or a result set | |
| 206 | * | |
| 207 | * @param object|string $result MDB2_result object from a query or a | |
| 208 | * string containing the name of a table. | |
| 209 | * While this also accepts a query result | |
| 210 | * resource identifier, this behavior is | |
| 211 | * deprecated. | |
| 212 | * @param int $mode a valid tableInfo mode | |
| 213 | * | |
| 214 | * @return array an associative array with the information requested. | |
| 215 | * A MDB2_Error object on failure. | |
| 216 | * | |
| 217 | * @see MDB2_Driver_Common::setOption() | |
| 218 | */ | |
| 219 | function tableInfo($result, $mode = null) | |
| 220 | { | |
| 221 | $db =& $this->getDBInstance(); | |
| 222 | if (PEAR::isError($db)) { | |
| 223 | return $db; | |
| 224 | } | |
| 225 | ||
| 226 | if (is_string($result)) { | |
| 227 | /* | |
| 228 | * Probably received a table name. | |
| 229 | * Create a result resource identifier. | |
| 230 | */ | |
| 231 | $connected = $db->connect(); | |
| 232 | if (PEAR::isError($connected)) { | |
| 233 | return $connected; | |
| 234 | } | |
| 235 | $id = @mysql_list_fields($db->database_name, $result, $db->connection); | |
| 236 | $got_string = true; | |
| 237 | } elseif (MDB2::isResultCommon($result)) { | |
| 238 | /* | |
| 239 | * Probably received a result object. | |
| 240 | * Extract the result resource identifier. | |
| 241 | */ | |
| 242 | $id = $result->getResource(); | |
| 243 | $got_string = false; | |
| 244 | } else { | |
| 245 | /* | |
| 246 | * Probably received a result resource identifier. | |
| 247 | * Copy it. | |
| 248 | * Deprecated. Here for compatibility only. | |
| 249 | */ | |
| 250 | $id = $result; | |
| 251 | $got_string = false; | |
| 252 | } | |
| 253 | ||
| 254 | if (!is_resource($id)) { | |
| 255 | return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); | |
| 256 | } | |
| 257 | ||
| 258 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { | |
| 259 | if ($db->options['field_case'] == CASE_LOWER) { | |
| 260 | $case_func = 'strtolower'; | |
| 261 | } else { | |
| 262 | $case_func = 'strtoupper'; | |
| 263 | } | |
| 264 | } else { | |
| 265 | $case_func = 'strval'; | |
| 266 | } | |
| 267 | ||
| 268 | $count = @mysql_num_fields($id); | |
| 269 | $res = array(); | |
| 270 | ||
| 271 | if ($mode) { | |
| 272 | $res['num_fields'] = $count; | |
| 273 | } | |
| 274 | ||
| 275 | for ($i = 0; $i < $count; $i++) { | |
| 276 | $res[$i] = array( | |
| 277 | 'table' => $case_func(@mysql_field_table($id, $i)), | |
| 278 | 'name' => $case_func(@mysql_field_name($id, $i)), | |
| 279 | 'type' => @mysql_field_type($id, $i), | |
| 280 | 'len' => @mysql_field_len($id, $i), | |
| 281 | 'flags' => @mysql_field_flags($id, $i), | |
| 282 | ); | |
| 283 | if ($mode & MDB2_TABLEINFO_ORDER) { | |
| 284 | $res['order'][$res[$i]['name']] = $i; | |
| 285 | } | |
| 286 | if ($mode & MDB2_TABLEINFO_ORDERTABLE) { | |
| 287 | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; | |
| 288 | } | |
| 289 | } | |
| 290 | ||
| 291 | // free the result only if we were called on a table | |
| 292 | if ($got_string) { | |
| 293 | @mysql_free_result($id); | |
| 294 | } | |
| 295 | return $res; | |
| 296 | } | |
| 297 | } | |
| 298 | ?> | |
