Changes in decimal unsigned columns not detected

Modified regexp to accept unsigned decimal columns

Author: ccerrillo

src/RegExpPattern.php

@@ -18,7 +18,7 @@ class RegExpPattern
         'float(?:\s+unsigned)?(?:\((?<floatLength>\d+),(?<floatPrecision>\d+)\))?',
         'binary',
         'real',
-        'decimal\((?<decimalLength>\d+),(?<decimalPrecision>\d+)\)',
+        'decimal\((?<decimalLength>\d+),(?<decimalPrecision>\d+)\)(?:\s+unsigned)?',
         'double(?:\((?<doubleLength>\d+),(?<doublePrecision>\d+)\))?(?:\s+unsigned)?',
         'datetime',
         'date',
@@ -146,4 +146,4 @@ public static function indexColumn()
 
         return $pattern;
     }
-}
+}