Index: Zend/Db/Adapter/Pdo/Abstract.php
===================================================================
--- Zend/Db/Adapter/Pdo/Abstract.php	(revision 788)
+++ Zend/Db/Adapter/Pdo/Abstract.php	(revision 790)
@@ -196,5 +196,24 @@
         }
     }
 
+    /**
+     * Returns the type constant for a variable.
+     *
+     * @param string $value
+     * @return integer
+     */
+    protected function _getType($value)
+    {
+        if (is_bool($value)) {
+            $type = PDO::PARAM_BOOL;
+        } else if (is_null($value)) {
+            $type = PDO::PARAM_NULL;
+        } else if (is_integer($value)) {
+            $type = PDO::PARAM_INT;
+        } else {
+            $type = PDO::PARAM_STR;
+        }
+        return $type;
+    }
 }
 
Index: Zend/Db/Adapter/Abstract.php
===================================================================
--- Zend/Db/Adapter/Abstract.php	(revision 788)
+++ Zend/Db/Adapter/Abstract.php	(revision 790)
@@ -153,7 +153,22 @@
         // prepare and execute the statement with profiling
         $stmt = $this->prepare($sql);
         $q = $this->_profiler->queryStart($sql);
-        $stmt->execute((array) $bind);
+        if (is_array($bind)) {
+            $paramIndex = 1;
+            foreach ($bind as $col => $value) {
+                if (is_integer($col)) {
+                    $parameter = $paramIndex;
+                } else if ($col[0] != ':') {
+                    $parameter = ':' . $col;
+                } else {
+                    $parameter = $col;
+                }
+                $type = $this->_getType($value);
+                $stmt->bindValue($parameter, $value, $type);
+                $paramIndex++;
+            }
+        }
+        $stmt->execute();
         $this->_profiler->queryEnd($q);
 
         // return the results embedded in the prepared statement object
@@ -543,4 +558,12 @@
      * @return string
      */
     abstract public function limit($sql, $count, $offset);
+
+    /**
+     * Returns the type constant for a variable.
+     *
+     * @param string $value
+     * @return integer
+     */
+    abstract protected function _getType($value);
 }
Index: Zend/Db/Adapter/Oracle.php
===================================================================
--- Zend/Db/Adapter/Oracle.php	(revision 788)
+++ Zend/Db/Adapter/Oracle.php	(revision 790)
@@ -319,6 +319,22 @@
 	public function _getExecuteMode() {
 		return $this->_execute_mode;
 	}
+
+    /**
+     * Returns the type constant for a variable.
+     *
+     * @param string $value
+     * @return integer
+     */
+    protected function _getType($value)
+    {
+        if (is_integer($value)) {
+            $type = SQLT_INT;
+        } else {
+            $type = SQLT_CHR;
+        }
+        return $type;
+    }
 }
 
 
Index: Zend/Db/Adapter/Db2.php
===================================================================
--- Zend/Db/Adapter/Db2.php	(revision 788)
+++ Zend/Db/Adapter/Db2.php	(revision 790)
@@ -520,4 +520,20 @@
         }
         return $data;
     }
+
+    /**
+     * Returns the type constant for a variable.
+     *
+     * @param string $value
+     * @return integer
+     */
+    protected function _getType($value)
+    {
+        if (is_integer($value)) {
+            $type = DB2_LONG;
+        } else {
+            $type = DB2_CHAR;
+        }
+        return $type;
+    }
 }