diff options
Diffstat (limited to 'codebase/connector/db_pdo.php')
-rw-r--r-- | codebase/connector/db_pdo.php | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/codebase/connector/db_pdo.php b/codebase/connector/db_pdo.php new file mode 100644 index 0000000..d1ad4d8 --- /dev/null +++ b/codebase/connector/db_pdo.php @@ -0,0 +1,75 @@ +<?php +/* + @author dhtmlx.com + @license GPL, see license.txt +*/ +require_once("db_common.php"); +/*! Implementation of DataWrapper for PDO + +if you plan to use it for Oracle - use Oracle connection type instead +**/ +class PDODBDataWrapper extends DBDataWrapper{ + private $last_result;//!< store result or last operation + + public function query($sql){ + LogMaster::log($sql); + + $res=$this->connection->query($sql); + if ($res===false) { + $message = $this->connection->errorInfo(); + throw new Exception("PDO - sql execution failed\n".$message[2]); + } + + return new PDOResultSet($res); + } + + protected function select_query($select,$from,$where,$sort,$start,$count){ + if (!$from) + return $select; + + $sql="SELECT ".$select." FROM ".$from; + if ($where) $sql.=" WHERE ".$where; + if ($sort) $sql.=" ORDER BY ".$sort; + if ($start || $count) { + if ($this->connection->getAttribute(PDO::ATTR_DRIVER_NAME)=="pgsql") + $sql.=" OFFSET ".$start." LIMIT ".$count; + else + $sql.=" LIMIT ".$start.",".$count; + } + return $sql; + } + + + public function get_next($res){ + $data = $res->next(); + return $data; + } + + public function get_new_id(){ + return $this->connection->lastInsertId(); + } + + public function escape($str){ + $res=$this->connection->quote($str); + if ($res===false) //not supported by pdo driver + return str_replace("'","''",$str); + return substr($res,1,-1); + } + +} + +class PDOResultSet{ + private $res; + public function __construct($res){ + $this->res = $res; + } + public function next(){ + $data = $this->res->fetch(PDO::FETCH_ASSOC); + if (!$data){ + $this->res->closeCursor(); + return null; + } + return $data; + } +} +?>
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