Update statement for some drivers

lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php

@@ -26,7 +26,7 @@ class DB2Statement implements \IteratorAggregate, Statement
     /**
      * @var resource
      */
-    private $_stmt = null;
+    private $_stmt;
 
     /**
      * @var array
@@ -147,8 +147,8 @@ class DB2Statement implements \IteratorAggregate, Statement
     public function errorInfo()
     {
         return array(
-            0 => db2_stmt_errormsg(),
-            1 => db2_stmt_error(),
+            db2_stmt_errormsg(),
+            db2_stmt_error(),
         );
     }
 
@@ -207,7 +207,7 @@ class DB2Statement implements \IteratorAggregate, Statement
     /**
      * {@inheritdoc}
      */
-    public function fetch($fetchMode = null)
+    public function fetch($fetchMode = null, $cursorOrientation = \PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
     {
         // do not try fetching from the statement if it's not expected to contain result
         // in order to prevent exceptional situation
@@ -243,14 +243,14 @@ class DB2Statement implements \IteratorAggregate, Statement
             case \PDO::FETCH_OBJ:
                 return db2_fetch_object($this->_stmt);
             default:
-                throw new DB2Exception("Given Fetch-Style " . $fetchMode . " is not supported.");
+                throw new DB2Exception('Given Fetch-Style ' . $fetchMode . ' is not supported.');
         }
     }
 
     /**
      * {@inheritdoc}
      */
-    public function fetchAll($fetchMode = null)
+    public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null)
     {
         $rows = array();
 

lib/Doctrine/DBAL/Driver/ResultStatement.php

@@ -58,7 +58,7 @@ interface ResultStatement extends \Traversable
     /**
      * Returns the next row of a result set.
      *
-     * * @param int|null $fetchMode  Controls how the next row will be returned to the caller.
+     * @param int|null $fetchMode    Controls how the next row will be returned to the caller.
      *                               The value must be one of the \PDO::FETCH_* constants,
      *                               defaulting to \PDO::FETCH_BOTH.
      * @param int $cursorOrientation For a ResultStatement object representing a scrollable cursor,

lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php

@@ -193,7 +193,7 @@ class SQLAnywhereStatement implements IteratorAggregate, Statement
      *
      * @throws SQLAnywhereException
      */
-    public function fetch($fetchMode = null)
+    public function fetch($fetchMode = null, $cursorOrientation = \PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
     {
         if ( ! is_resource($this->result)) {
             return false;
@@ -235,7 +235,7 @@ class SQLAnywhereStatement implements IteratorAggregate, Statement
     /**
      * {@inheritdoc}
      */
-    public function fetchAll($fetchMode = null)
+    public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null)
     {
         $rows = array();
 

lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php

@@ -257,7 +257,7 @@ class SQLSrvStatement implements IteratorAggregate, Statement
         $params = array();
 
         foreach ($this->variables as $column => &$variable) {
-            if ($this->types[$column] === \PDO::PARAM_LOB) {
+            if (PDO::PARAM_LOB === $this->types[$column]) {
                 $params[$column - 1] = array(
                     &$variable,
                     SQLSRV_PARAM_IN,
@@ -302,8 +302,10 @@ class SQLSrvStatement implements IteratorAggregate, Statement
 
     /**
      * {@inheritdoc}
+     *
+     * @throws SQLSrvException
      */
-    public function fetch($fetchMode = null)
+    public function fetch($fetchMode = null, $cursorOrientation = PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
     {
         // do not try fetching from the statement if it's not expected to contain result
         // in order to prevent exceptional situation
@@ -318,25 +320,25 @@ class SQLSrvStatement implements IteratorAggregate, Statement
             return sqlsrv_fetch_array($this->stmt, self::$fetchMap[$fetchMode]) ?: false;
         }
 
-        if ($fetchMode == PDO::FETCH_OBJ || $fetchMode == PDO::FETCH_CLASS) {
+        if (in_array($fetchMode, array(PDO::FETCH_OBJ, PDO::FETCH_CLASS), true)) {
             $className = $this->defaultFetchClass;
             $ctorArgs  = $this->defaultFetchClassCtorArgs;
 
             if (count($args) >= 2) {
                 $className = $args[1];
-                $ctorArgs  = (isset($args[2])) ? $args[2] : array();
+                $ctorArgs  = isset($args[2]) ? $args[2] : array();
             }
 
             return sqlsrv_fetch_object($this->stmt, $className, $ctorArgs) ?: false;
         }
 
-        throw new SQLSrvException("Fetch mode is not supported!");
+        throw new SQLSrvException('Fetch mode is not supported!');
     }
 
     /**
      * {@inheritdoc}
      */
-    public function fetchAll($fetchMode = null)
+    public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null)
     {
         $rows = array();