diff options
| author | wei <> | 2007-04-14 05:02:29 +0000 |
|---|---|---|
| committer | wei <> | 2007-04-14 05:02:29 +0000 |
| commit | 0f0d3c62e608287cdf77f1a3239371b521ecb40b (patch) | |
| tree | bd91a9499a946e1667a0e17a9c5a97a9d695c7ce /framework/Data/Common/IbmDb2/TIbmMetaData.php | |
| parent | b05442bbe751b87998d8500ad8e6b28d652a35db (diff) | |
Refactor ActiveRecordGateway to use TDataGatewayCommand
Diffstat (limited to 'framework/Data/Common/IbmDb2/TIbmMetaData.php')
| -rw-r--r-- | framework/Data/Common/IbmDb2/TIbmMetaData.php | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/framework/Data/Common/IbmDb2/TIbmMetaData.php b/framework/Data/Common/IbmDb2/TIbmMetaData.php new file mode 100644 index 00000000..99df5465 --- /dev/null +++ b/framework/Data/Common/IbmDb2/TIbmMetaData.php @@ -0,0 +1,113 @@ +<?php
+
+/**
+ * TIbmMetaData class file.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TIbmMetaData.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ */
+Prado::using('System.Data.ActiveRecord.Vendor.TDbMetaDataCommon');
+
+/**
+ * TIbmMetaData class.
+ *
+ * Column details for IBM DB2 database. Using php_pdo_ibm.dll extension.
+ *
+ * Does not support LIMIT and OFFSET criterias.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @version $Id: TIbmMetaData.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ * @since 3.1
+ */
+class TIbmMetaData extends TDbMetaDataCommon
+{
+ /**
+ * Build the SQL search string from the criteria object for IBM DB2 database.
+ * @param TDbConnection database connection.
+ * @param TActiveRecordCriteria search criteria.
+ * @return string SQL search.
+ */
+ protected function getSqlFromCriteria($conn, $criteria)
+ {
+ if($criteria===null) return '';
+ $sql = '';
+ if(($condition = $criteria->getCondition())!==null)
+ $sql .= ' WHERE '.$condition;
+ $orders=array();
+ foreach($criteria->getOrdersBy() as $by=>$ordering)
+ $orders[] = $this->getOrdering($by, $ordering);
+ if(count($orders) > 0)
+ $sql .= ' ORDER BY '.implode(', ', $orders);
+ //if(($limit = $criteria->getLimit())!==null)
+ //{
+ // $sql .= ' FETCH FIRST '.intval($limit).' ROWS ONLY';
+ //}
+ return strlen($sql) > 0 ? $sql : '';
+ }
+
+ /**
+ * Lowercase the data keys, IBM DB2 returns uppercase column names
+ * @param mixed record row
+ * @return array record row
+ */
+ public function postQueryRow($row)
+ {
+ if(!is_array($row)) return $row;
+ $result=array();
+ foreach($row as $k=>$v)
+ $result[strtolower($k)]=$v;
+ return $result;
+ }
+
+ /**
+ * Lowercase the data keys, IBM DB2 returns uppercase column names
+ * @param mixed record row
+ * @return array record row
+ */
+ public function postQuery($rows)
+ {
+ $data = array();
+ foreach($rows as $k=>$v)
+ $data[$k] = $this->postQueryRow($v);
+ return $data;
+ }
+
+ public function getSearchRegExpCriteria($fields, $keywords)
+ {
+ if(strlen(trim($keywords)) == 0) return '';
+ $words = array();
+ preg_match_all('/([a-zA-Z0-9-+]+)/', $keywords, $words);
+ $result = array();
+ foreach($fields as $field)
+ {
+ $column = $this->getColumn($field);
+ if($this->isSearchableColumn($column))
+ $result[] = $this->getLikeCriteriaStr($column->getName(), $words[0]);
+ }
+ $a = '('.implode(' OR ', $result).')';
+ error_log($a);
+ return '('.implode(' OR ', $result).')';
+ }
+
+ protected function isSearchableColumn($column)
+ {
+ $type = strtolower($column->getType());
+ return $type === 'char' || $type === 'varchar';
+ }
+
+ protected function getLikeCriteriaStr($column, $words)
+ {
+ $result=array();
+ foreach($words as $word)
+ $result[] = "{$column} LIKE '%{$word}%'";
+ return '('.implode(' AND ', $result).')';
+ }
+
+
+}
+?>
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