--- /dev/null
+<?php
+/*
+ * 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 MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Internal\Hydration;
+
+/**
+ * Hydrator that produces flat, rectangular results of scalar data.
+ * The created result is almost the same as a regular SQL result set, except
+ * that column names are mapped to field names and data type conversions take place.
+ *
+ * @since 2.0
+ * @author Roman Borschel <roman@code-factory.org>
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ */
+class ScalarHydrator extends AbstractHydrator
+{
+ /**
+ * {@inheritdoc}
+ */
+ protected function hydrateAllData()
+ {
+ $result = array();
+ $cache = array();
+
+ while ($data = $this->_stmt->fetch(\PDO::FETCH_ASSOC)) {
+ $this->hydrateRowData($data, $cache, $result);
+ }
+
+ return $result;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function hydrateRowData(array $data, array &$cache, array &$result)
+ {
+ $result[] = $this->gatherScalarRowData($data, $cache);
+ }
+}