diff --git a/README.md b/README.md
index 301ff87b..fe7681ef 100644
--- a/README.md
+++ b/README.md
@@ -197,6 +197,8 @@ To dump a database, you need the following privileges :
   - If any table has one or more triggers.
 - **LOCK TABLES**
   - If "lock tables" option was enabled.
+- **SUPER**
+  - If "single-transaction" option was enabled.
 
 Use **SHOW GRANTS FOR user@host;** to know what privileges user has. See the following link for more information:
 
diff --git a/src/Ifsnop/Mysqldump/Mysqldump.php b/src/Ifsnop/Mysqldump/Mysqldump.php
index 605208fe..dd88fa14 100644
--- a/src/Ifsnop/Mysqldump/Mysqldump.php
+++ b/src/Ifsnop/Mysqldump/Mysqldump.php
@@ -471,7 +471,8 @@ private function getTableStructure($tableName)
         }
 
         $columnTypes = array();
-        $columns = $this->dbHandler->query($this->typeAdapter->show_columns($tableName),
+        $columns = $this->dbHandler->query(
+            $this->typeAdapter->show_columns($tableName),
             PDO::FETCH_ASSOC
         );
 
@@ -479,7 +480,8 @@ private function getTableStructure($tableName)
             $types = $this->parseColumnType($col);
             $columnTypes[$col['Field']] = array(
                 'is_numeric'=> $types['is_numeric'],
-                'is_blob' => $types['is_blob']
+                'is_blob' => $types['is_blob'],
+                'type' => $types['type']
             );
         }
         $this->tableColumnTypes[$tableName] = $columnTypes;
@@ -571,8 +573,6 @@ private function getTriggerStructure($triggerName)
 
     /**
      * Escape values with quotes when needed
-     * @todo use is_number instead of ctype_digit and intval
-     * @todo get column data type, use it to quote results
      *
      * @param string $tableName Name of table which contains rows
      * @param array $row Associative array of column names and values to be quoted
@@ -586,14 +586,18 @@ private function escape($tableName, $row)
         foreach ($row as $colName => $colValue) {
             if (is_null($colValue)) {
                 $ret[] = "NULL";
-            } elseif ($columnTypes[$colName]['is_numeric']) {
-                $ret[] = $colValue;
             } elseif ($this->dumpSettings['hex-blob'] && $columnTypes[$colName]['is_blob']) {
-                if (empty($colValue)) {
-                    $ret[] = "''";
+                if ($columnTypes[$colName]['type'] == 'bit') {
+                    $ret[] = '0x' . bin2hex(chr($colValue));
                 } else {
-                    $ret[] = '0x' . bin2hex($colValue);
+                    if (empty($colValue)) {
+                        $ret[] = "''";
+                    } else {
+                        $ret[] = '0x' . bin2hex($colValue);
+                    }
                 }
+            } elseif ($columnTypes[$colName]['is_numeric']) {
+                $ret[] = $colValue;
             } else {
                 $ret[] = $this->dbHandler->quote($colValue);
             }
diff --git a/tests/test.sh b/tests/test.sh
index 29bf36ea..d9aaba3e 100755
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -1,19 +1,24 @@
 mysql -uroot < original.sql
 mysqldump -uroot test001 --extended-insert=false --hex-blob=true > mysqldump.sql
+php test.php
 
 cat original.sql | grep ^INSERT > original.filtered.sql
 cat mysqldump.sql | grep ^INSERT > mysqldump.filtered.sql
+cat mysqldump-php.sql | grep ^INSERT > mysqldump-php.filtered.sql
 
 diff original.filtered.sql mysqldump.filtered.sql
+ret1=$?
 
-ret=$?
+diff original.filtered.sql mysqldump-php.filtered.sql
+ret2=$?
 
 rm original.filtered.sql
 rm mysqldump.filtered.sql
+rm mysqldump-php.filtered.sql
+rm mysqldump-php.sql
 rm mysqldump.sql
 
-echo $ret
-
+exit $ret1