| 1 | <?php |
| 2 | /* |
| 3 | * $Id: Query.php 1393 2007-05-19 17:49:16Z zYne $ |
| 4 | * |
| 5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 16 | * |
| 17 | * This software consists of voluntary contributions made by many individuals |
| 18 | * and is licensed under the LGPL. For more information, see |
| 19 | * <http://www.phpdoctrine.com>. |
| 20 | */ |
| 21 | Doctrine::autoload('Doctrine_Hydrate'); |
| 22 | /** |
| 23 | * Doctrine_Query_Abstract |
| 24 | * |
| 25 | * @package Doctrine |
| 26 | * @subpackage Query |
| 27 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 28 | * @link www.phpdoctrine.com |
| 29 | * @since 1.0 |
| 30 | * @version $Revision: 1393 $ |
| 31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 32 | */ |
| 33 | abstract class Doctrine_Query_Abstract extends Doctrine_Hydrate |
| 34 | { |
| 35 | /** |
| 36 | * addSelect |
| 37 | * adds fields to the SELECT part of the query |
| 38 | * |
| 39 | * @param string $select Query SELECT part |
| 40 | * @return Doctrine_Query |
| 41 | */ |
| 42 | public function addSelect($select) |
| 43 | { |
| 44 | return $this->parseQueryPart('select', $select, true); |
| 45 | } |
| 46 | /** |
| 47 | * addFrom |
| 48 | * adds fields to the FROM part of the query |
| 49 | * |
| 50 | * @param string $from Query FROM part |
| 51 | * @return Doctrine_Query |
| 52 | */ |
| 53 | public function addFrom($from) |
| 54 | { |
| 55 | return $this->parseQueryPart('from', $from, true); |
| 56 | } |
| 57 | /** |
| 58 | * addWhere |
| 59 | * adds conditions to the WHERE part of the query |
| 60 | * |
| 61 | * @param string $where Query WHERE part |
| 62 | * @param mixed $params an array of parameters or a simple scalar |
| 63 | * @return Doctrine_Query |
| 64 | */ |
| 65 | public function addWhere($where, $params = array()) |
| 66 | { |
| 67 | if (is_array($params)) { |
| 68 | $this->_params['where'] = array_merge($this->_params['where'], $params); |
| 69 | } else { |
| 70 | $this->_params['where'][] = $params; |
| 71 | } |
| 72 | return $this->parseQueryPart('where', $where, true); |
| 73 | } |
| 74 | /** |
| 75 | * whereIn |
| 76 | * adds IN condition to the query WHERE part |
| 77 | * |
| 78 | * @param string $expr |
| 79 | * @param mixed $params an array of parameters or a simple scalar |
| 80 | * @return Doctrine_Query |
| 81 | */ |
| 82 | public function whereIn($expr, $params = array()) |
| 83 | { |
| 84 | $params = (array) $params; |
| 85 | $a = array(); |
| 86 | foreach ($params as $k => $value) { |
| 87 | if ($value instanceof Doctrine_Expression) { |
| 88 | $value = $value->getSql(); |
| 89 | unset($params[$k]); |
| 90 | } else { |
| 91 | $value = '?'; |
| 92 | } |
| 93 | $a[] = $value; |
| 94 | } |
| 95 | |
| 96 | $this->_params['where'] = array_merge($this->_params['where'], $params); |
| 97 | |
| 98 | $where = $expr . ' IN (' . implode(', ', $a) . ')'; |
| 99 | |
| 100 | return $this->parseQueryPart('where', $where, true); |
| 101 | } |
| 102 | /** |
| 103 | * addGroupBy |
| 104 | * adds fields to the GROUP BY part of the query |
| 105 | * |
| 106 | * @param string $groupby Query GROUP BY part |
| 107 | * @return Doctrine_Query |
| 108 | */ |
| 109 | public function addGroupBy($groupby) |
| 110 | { |
| 111 | return $this->parseQueryPart('groupby', $groupby, true); |
| 112 | } |
| 113 | /** |
| 114 | * addHaving |
| 115 | * adds conditions to the HAVING part of the query |
| 116 | * |
| 117 | * @param string $having Query HAVING part |
| 118 | * @param mixed $params an array of parameters or a simple scalar |
| 119 | * @return Doctrine_Query |
| 120 | */ |
| 121 | public function addHaving($having, $params = array()) |
| 122 | { |
| 123 | if (is_array($params)) { |
| 124 | $this->_params['having'] = array_merge($this->_params['having'], $params); |
| 125 | } else { |
| 126 | $this->_params['having'][] = $params; |
| 127 | } |
| 128 | return $this->parseQueryPart('having', $having, true); |
| 129 | } |
| 130 | /** |
| 131 | * addOrderBy |
| 132 | * adds fields to the ORDER BY part of the query |
| 133 | * |
| 134 | * @param string $orderby Query ORDER BY part |
| 135 | * @return Doctrine_Query |
| 136 | */ |
| 137 | public function addOrderBy($orderby) |
| 138 | { |
| 139 | return $this->parseQueryPart('orderby', $orderby, true); |
| 140 | } |
| 141 | /** |
| 142 | * select |
| 143 | * sets the SELECT part of the query |
| 144 | * |
| 145 | * @param string $select Query SELECT part |
| 146 | * @return Doctrine_Query |
| 147 | */ |
| 148 | public function select($select) |
| 149 | { |
| 150 | return $this->parseQueryPart('select', $select); |
| 151 | } |
| 152 | /** |
| 153 | * distinct |
| 154 | * Makes the query SELECT DISTINCT. |
| 155 | * |
| 156 | * @param bool $flag Whether or not the SELECT is DISTINCT (default true). |
| 157 | * @return Doctrine_Query |
| 158 | */ |
| 159 | public function distinct($flag = true) |
| 160 | { |
| 161 | $this->parts['distinct'] = (bool) $flag; |
| 162 | |
| 163 | return $this; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * forUpdate |
| 168 | * Makes the query SELECT FOR UPDATE. |
| 169 | * |
| 170 | * @param bool $flag Whether or not the SELECT is FOR UPDATE (default true). |
| 171 | * @return Doctrine_Query |
| 172 | */ |
| 173 | public function forUpdate($flag = true) |
| 174 | { |
| 175 | $this->parts[self::FOR_UPDATE] = (bool) $flag; |
| 176 | |
| 177 | return $this; |
| 178 | } |
| 179 | /** |
| 180 | * delete |
| 181 | * sets the query type to DELETE |
| 182 | * |
| 183 | * @return Doctrine_Query |
| 184 | */ |
| 185 | public function delete() |
| 186 | { |
| 187 | $this->type = self::DELETE; |
| 188 | |
| 189 | return $this; |
| 190 | } |
| 191 | /** |
| 192 | * update |
| 193 | * sets the UPDATE part of the query |
| 194 | * |
| 195 | * @param string $update Query UPDATE part |
| 196 | * @return Doctrine_Query |
| 197 | */ |
| 198 | public function update($update) |
| 199 | { |
| 200 | $this->type = self::UPDATE; |
| 201 | |
| 202 | return $this->parseQueryPart('from', $update); |
| 203 | } |
| 204 | /** |
| 205 | * set |
| 206 | * sets the SET part of the query |
| 207 | * |
| 208 | * @param string $update Query UPDATE part |
| 209 | * @return Doctrine_Query |
| 210 | */ |
| 211 | public function set($key, $value, $params = null) |
| 212 | { |
| 213 | if (is_array($key)) { |
| 214 | foreach ($key as $k => $v) { |
| 215 | $this->set($k, '?', array($v)); |
| 216 | } |
| 217 | return $this; |
| 218 | } else { |
| 219 | if ($params !== null) { |
| 220 | if (is_array($params)) { |
| 221 | $this->_params['set'] = array_merge($this->_params['set'], $params); |
| 222 | } else { |
| 223 | $this->_params['set'][] = $params; |
| 224 | } |
| 225 | } |
| 226 | return $this->parseQueryPart('set', $key . ' = ' . $value, true); |
| 227 | } |
| 228 | } |
| 229 | /** |
| 230 | * from |
| 231 | * sets the FROM part of the query |
| 232 | * |
| 233 | * @param string $from Query FROM part |
| 234 | * @return Doctrine_Query |
| 235 | */ |
| 236 | public function from($from) |
| 237 | { |
| 238 | return $this->parseQueryPart('from', $from); |
| 239 | } |
| 240 | /** |
| 241 | * innerJoin |
| 242 | * appends an INNER JOIN to the FROM part of the query |
| 243 | * |
| 244 | * @param string $join Query INNER JOIN |
| 245 | * @return Doctrine_Query |
| 246 | */ |
| 247 | public function innerJoin($join) |
| 248 | { |
| 249 | return $this->parseQueryPart('from', 'INNER JOIN ' . $join, true); |
| 250 | } |
| 251 | /** |
| 252 | * leftJoin |
| 253 | * appends a LEFT JOIN to the FROM part of the query |
| 254 | * |
| 255 | * @param string $join Query LEFT JOIN |
| 256 | * @return Doctrine_Query |
| 257 | */ |
| 258 | public function leftJoin($join) |
| 259 | { |
| 260 | return $this->parseQueryPart('from', 'LEFT JOIN ' . $join, true); |
| 261 | } |
| 262 | /** |
| 263 | * groupBy |
| 264 | * sets the GROUP BY part of the query |
| 265 | * |
| 266 | * @param string $groupby Query GROUP BY part |
| 267 | * @return Doctrine_Query |
| 268 | */ |
| 269 | public function groupBy($groupby) |
| 270 | { |
| 271 | return $this->parseQueryPart('groupby', $groupby); |
| 272 | } |
| 273 | /** |
| 274 | * where |
| 275 | * sets the WHERE part of the query |
| 276 | * |
| 277 | * @param string $join Query WHERE part |
| 278 | * @param mixed $params an array of parameters or a simple scalar |
| 279 | * @return Doctrine_Query |
| 280 | */ |
| 281 | public function where($where, $params = array()) |
| 282 | { |
| 283 | $this->_params['where'] = array(); |
| 284 | if (is_array($params)) { |
| 285 | $this->_params['where'] = $params; |
| 286 | } else { |
| 287 | $this->_params['where'][] = $params; |
| 288 | } |
| 289 | |
| 290 | return $this->parseQueryPart('where', $where); |
| 291 | } |
| 292 | /** |
| 293 | * having |
| 294 | * sets the HAVING part of the query |
| 295 | * |
| 296 | * @param string $having Query HAVING part |
| 297 | * @param mixed $params an array of parameters or a simple scalar |
| 298 | * @return Doctrine_Query |
| 299 | */ |
| 300 | public function having($having, $params = array()) |
| 301 | { |
| 302 | $this->_params['having'] = array(); |
| 303 | if (is_array($params)) { |
| 304 | $this->_params['having'] = $params; |
| 305 | } else { |
| 306 | $this->_params['having'][] = $params; |
| 307 | } |
| 308 | |
| 309 | return $this->parseQueryPart('having', $having); |
| 310 | } |
| 311 | /** |
| 312 | * orderBy |
| 313 | * sets the ORDER BY part of the query |
| 314 | * |
| 315 | * @param string $orderby Query ORDER BY part |
| 316 | * @return Doctrine_Query |
| 317 | */ |
| 318 | public function orderBy($orderby) |
| 319 | { |
| 320 | return $this->parseQueryPart('orderby', $orderby); |
| 321 | } |
| 322 | /** |
| 323 | * limit |
| 324 | * sets the Query query limit |
| 325 | * |
| 326 | * @param integer $limit limit to be used for limiting the query results |
| 327 | * @return Doctrine_Query |
| 328 | */ |
| 329 | public function limit($limit) |
| 330 | { |
| 331 | return $this->parseQueryPart('limit', $limit); |
| 332 | } |
| 333 | /** |
| 334 | * offset |
| 335 | * sets the Query query offset |
| 336 | * |
| 337 | * @param integer $offset offset to be used for paginating the query |
| 338 | * @return Doctrine_Query |
| 339 | */ |
| 340 | public function offset($offset) |
| 341 | { |
| 342 | return $this->parseQueryPart('offset', $offset); |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * parseQueryPart |
| 347 | * parses given DQL query part |
| 348 | * |
| 349 | * @param string $queryPartName the name of the query part |
| 350 | * @param string $queryPart query part to be parsed |
| 351 | * @param boolean $append whether or not to append the query part to its stack |
| 352 | * if false is given, this method will overwrite |
| 353 | * the given query part stack with $queryPart |
| 354 | * @return Doctrine_Query this object |
| 355 | */ |
| 356 | abstract public function parseQueryPart($queryPartName, $queryPart, $append = false); |
| 357 | } |