vendor/doctrine-dbal/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
changeset 0 7f95f8617b0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine-dbal/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,297 @@
+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+*/
+
+namespace Doctrine\DBAL\Driver\IBMDB2;
+
+class DB2Statement implements \Doctrine\DBAL\Driver\Statement
+{
+    private $_stmt = null;
+
+    private $_bindParam = array();
+
+    /**
+     * DB2_BINARY, DB2_CHAR, DB2_DOUBLE, or DB2_LONG 
+     * @var <type>
+     */
+    static private $_typeMap = array(
+        \PDO::PARAM_INT => DB2_LONG,
+        \PDO::PARAM_STR => DB2_CHAR,
+    );
+
+    public function __construct($stmt)
+    {
+        $this->_stmt = $stmt;
+    }
+
+    /**
+     * Binds a value to a corresponding named or positional
+     * placeholder in the SQL statement that was used to prepare the statement.
+     *
+     * @param mixed $param          Parameter identifier. For a prepared statement using named placeholders,
+     *                              this will be a parameter name of the form :name. For a prepared statement
+     *                              using question mark placeholders, this will be the 1-indexed position of the parameter
+     *
+     * @param mixed $value          The value to bind to the parameter.
+     * @param integer $type         Explicit data type for the parameter using the PDO::PARAM_* constants.
+     *
+     * @return boolean              Returns TRUE on success or FALSE on failure.
+     */
+    function bindValue($param, $value, $type = null)
+    {
+        return $this->bindParam($param, $value, $type);
+    }
+
+    /**
+     * Binds a PHP variable to a corresponding named or question mark placeholder in the
+     * SQL statement that was use to prepare the statement. Unlike PDOStatement->bindValue(),
+     * the variable is bound as a reference and will only be evaluated at the time
+     * that PDOStatement->execute() is called.
+     *
+     * Most parameters are input parameters, that is, parameters that are
+     * used in a read-only fashion to build up the query. Some drivers support the invocation
+     * of stored procedures that return data as output parameters, and some also as input/output
+     * parameters that both send in data and are updated to receive it.
+     *
+     * @param mixed $param          Parameter identifier. For a prepared statement using named placeholders,
+     *                              this will be a parameter name of the form :name. For a prepared statement
+     *                              using question mark placeholders, this will be the 1-indexed position of the parameter
+     *
+     * @param mixed $variable       Name of the PHP variable to bind to the SQL statement parameter.
+     *
+     * @param integer $type         Explicit data type for the parameter using the PDO::PARAM_* constants. To return
+     *                              an INOUT parameter from a stored procedure, use the bitwise OR operator to set the
+     *                              PDO::PARAM_INPUT_OUTPUT bits for the data_type parameter.
+     * @return boolean              Returns TRUE on success or FALSE on failure.
+     */
+    function bindParam($column, &$variable, $type = null)
+    {
+        $this->_bindParam[$column] =& $variable;
+
+        if ($type && isset(self::$_typeMap[$type])) {
+            $type = self::$_typeMap[$type];
+        } else {
+            $type = DB2_CHAR;
+        }
+
+        if (!db2_bind_param($this->_stmt, $column, "variable", DB2_PARAM_IN, $type)) {
+            throw new DB2Exception(db2_stmt_errormsg());
+        }
+        return true;
+    }
+
+    /**
+     * Closes the cursor, enabling the statement to be executed again.
+     *
+     * @return boolean              Returns TRUE on success or FALSE on failure.
+     */
+    function closeCursor()
+    {
+        if (!$this->_stmt) {
+            return false;
+        }
+
+        $this->_bindParam = array();
+        db2_free_result($this->_stmt);
+        $ret = db2_free_stmt($this->_stmt);
+        $this->_stmt = false;
+        return $ret;
+    }
+
+    /**
+     * columnCount
+     * Returns the number of columns in the result set
+     *
+     * @return integer              Returns the number of columns in the result set represented
+     *                              by the PDOStatement object. If there is no result set,
+     *                              this method should return 0.
+     */
+    function columnCount()
+    {
+        if (!$this->_stmt) {
+            return false;
+        }
+        return db2_num_fields($this->_stmt);
+    }
+
+    /**
+     * errorCode
+     * Fetch the SQLSTATE associated with the last operation on the statement handle
+     *
+     * @see Doctrine_Adapter_Interface::errorCode()
+     * @return string       error code string
+     */
+    function errorCode()
+    {
+        return db2_stmt_error();
+    }
+
+    /**
+     * errorInfo
+     * Fetch extended error information associated with the last operation on the statement handle
+     *
+     * @see Doctrine_Adapter_Interface::errorInfo()
+     * @return array        error info array
+     */
+    function errorInfo()
+    {
+        return array(
+            0 => db2_stmt_errormsg(),
+            1 => db2_stmt_error(),
+        );
+    }
+
+    /**
+     * Executes a prepared statement
+     *
+     * If the prepared statement included parameter markers, you must either:
+     * call PDOStatement->bindParam() to bind PHP variables to the parameter markers:
+     * bound variables pass their value as input and receive the output value,
+     * if any, of their associated parameter markers or pass an array of input-only
+     * parameter values
+     *
+     *
+     * @param array $params             An array of values with as many elements as there are
+     *                                  bound parameters in the SQL statement being executed.
+     * @return boolean                  Returns TRUE on success or FALSE on failure.
+     */
+    function execute($params = null)
+    {
+        if (!$this->_stmt) {
+            return false;
+        }
+
+        /*$retval = true;
+        if ($params !== null) {
+            $retval = @db2_execute($this->_stmt, $params);
+        } else {
+            $retval = @db2_execute($this->_stmt);
+        }*/
+        if ($params === null) {
+            ksort($this->_bindParam);
+            $params = array_values($this->_bindParam);
+        }
+        $retval = @db2_execute($this->_stmt, $params);
+
+        if ($retval === false) {
+            throw new DB2Exception(db2_stmt_errormsg());
+        }
+        return $retval;
+    }
+
+    /**
+     * fetch
+     *
+     * @see Query::HYDRATE_* constants
+     * @param integer $fetchStyle           Controls how the next row will be returned to the caller.
+     *                                      This value must be one of the Query::HYDRATE_* constants,
+     *                                      defaulting to Query::HYDRATE_BOTH
+     *
+     * @param integer $cursorOrientation    For a PDOStatement object representing a scrollable cursor,
+     *                                      this value determines which row will be returned to the caller.
+     *                                      This value must be one of the Query::HYDRATE_ORI_* constants, defaulting to
+     *                                      Query::HYDRATE_ORI_NEXT. To request a scrollable cursor for your
+     *                                      PDOStatement object,
+     *                                      you must set the PDO::ATTR_CURSOR attribute to Doctrine::CURSOR_SCROLL when you
+     *                                      prepare the SQL statement with Doctrine_Adapter_Interface->prepare().
+     *
+     * @param integer $cursorOffset         For a PDOStatement object representing a scrollable cursor for which the
+     *                                      $cursorOrientation parameter is set to Query::HYDRATE_ORI_ABS, this value specifies
+     *                                      the absolute number of the row in the result set that shall be fetched.
+     *
+     *                                      For a PDOStatement object representing a scrollable cursor for
+     *                                      which the $cursorOrientation parameter is set to Query::HYDRATE_ORI_REL, this value
+     *                                      specifies the row to fetch relative to the cursor position before
+     *                                      PDOStatement->fetch() was called.
+     *
+     * @return mixed
+     */
+    function fetch($fetchStyle = \PDO::FETCH_BOTH)
+    {
+        switch ($fetchStyle) {
+            case \PDO::FETCH_BOTH:
+                return db2_fetch_both($this->_stmt);
+            case \PDO::FETCH_ASSOC:
+                return db2_fetch_assoc($this->_stmt);
+            case \PDO::FETCH_NUM:
+                return db2_fetch_array($this->_stmt);
+            default:
+                throw new DB2Exception("Given Fetch-Style " . $fetchStyle . " is not supported.");
+        }
+    }
+
+    /**
+     * Returns an array containing all of the result set rows
+     *
+     * @param integer $fetchStyle           Controls how the next row will be returned to the caller.
+     *                                      This value must be one of the Query::HYDRATE_* constants,
+     *                                      defaulting to Query::HYDRATE_BOTH
+     *
+     * @param integer $columnIndex          Returns the indicated 0-indexed column when the value of $fetchStyle is
+     *                                      Query::HYDRATE_COLUMN. Defaults to 0.
+     *
+     * @return array
+     */
+    function fetchAll($fetchStyle = \PDO::FETCH_BOTH)
+    {
+        $rows = array();
+        while ($row = $this->fetch($fetchStyle)) {
+            $rows[] = $row;
+        }
+        return $rows;
+    }
+
+    /**
+     * fetchColumn
+     * Returns a single column from the next row of a
+     * result set or FALSE if there are no more rows.
+     *
+     * @param integer $columnIndex          0-indexed number of the column you wish to retrieve from the row. If no
+     *                                      value is supplied, PDOStatement->fetchColumn()
+     *                                      fetches the first column.
+     *
+     * @return string                       returns a single column in the next row of a result set.
+     */
+    function fetchColumn($columnIndex = 0)
+    {
+        $row = $this->fetch(\PDO::FETCH_NUM);
+        if ($row && isset($row[$columnIndex])) {
+            return $row[$columnIndex];
+        }
+        return false;
+    }
+
+    /**
+     * rowCount
+     * rowCount() returns the number of rows affected by the last DELETE, INSERT, or UPDATE statement
+     * executed by the corresponding object.
+     *
+     * If the last SQL statement executed by the associated Statement object was a SELECT statement,
+     * some databases may return the number of rows returned by that statement. However,
+     * this behaviour is not guaranteed for all databases and should not be
+     * relied on for portable applications.
+     *
+     * @return integer                      Returns the number of rows.
+     */
+    function rowCount()
+    {
+        return (@db2_num_rows($this->_stmt))?:0;
+    }
+}