| 1 | <?php |
| 2 | /* |
| 3 | * $Id: Having.php 3212 2007-11-24 18:58:33Z romanb $ |
| 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_Query_Condition'); |
| 22 | /** |
| 23 | * Doctrine_Query_Having |
| 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: 3212 $ |
| 31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 32 | */ |
| 33 | class Doctrine_Query_Having extends Doctrine_Query_Condition |
| 34 | { |
| 35 | /** |
| 36 | * DQL Aggregate Function parser |
| 37 | * |
| 38 | * @param string $func |
| 39 | * @return mixed |
| 40 | */ |
| 41 | private function parseAggregateFunction($func) |
| 42 | { |
| 43 | $pos = strpos($func, '('); |
| 44 | |
| 45 | if ($pos !== false) { |
| 46 | $funcs = array(); |
| 47 | |
| 48 | $name = substr($func, 0, $pos); |
| 49 | $func = substr($func, ($pos + 1), -1); |
| 50 | $params = $this->_tokenizer->bracketExplode($func, ',', '(', ')'); |
| 51 | |
| 52 | foreach ($params as $k => $param) { |
| 53 | $params[$k] = $this->parseAggregateFunction($param); |
| 54 | } |
| 55 | |
| 56 | $funcs = $name . '(' . implode(', ', $params) . ')'; |
| 57 | |
| 58 | return $funcs; |
| 59 | |
| 60 | } else { |
| 61 | if ( ! is_numeric($func)) { |
| 62 | $a = explode('.', $func); |
| 63 | |
| 64 | if (count($a) > 1) { |
| 65 | $field = array_pop($a); |
| 66 | $reference = implode('.', $a); |
| 67 | $map = $this->query->load($reference, false); |
| 68 | $field = $map['table']->getColumnName($field); |
| 69 | $func = $this->query->getTableAlias($reference) . '.' . $field; |
| 70 | } else { |
| 71 | $field = end($a); |
| 72 | $func = $this->query->getAggregateAlias($field); |
| 73 | } |
| 74 | return $func; |
| 75 | } else { |
| 76 | return $func; |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | |
| 82 | /** |
| 83 | * load |
| 84 | * returns the parsed query part |
| 85 | * |
| 86 | * @param string $having |
| 87 | * @return string |
| 88 | */ |
| 89 | final public function load($having) |
| 90 | { |
| 91 | $tokens = $this->_tokenizer->bracketExplode($having, ' ', '(', ')'); |
| 92 | $part = $this->parseAggregateFunction(array_shift($tokens)); |
| 93 | $operator = array_shift($tokens); |
| 94 | $value = implode(' ', $tokens); |
| 95 | $part .= ' ' . $operator . ' ' . $value; |
| 96 | return $part; |
| 97 | } |
| 98 | } |