int p1, p2, l1, l2;

        // if unsure return this method returns true

        p1 = path1.lastIndexOf('/');
        p2 = path2.lastIndexOf('/');
        l1 = path1.length() - p1;
        l2 = path2.length() - p2;

        // anything with dots voids comparison
        if ( l1 > 1 && path1.charAt(p1 + 1) == '.' )
            return true;

-		      }							      \
-		    __result; }))
-
-# define __strcmp_cg(s1, s2, l1) \
-  (__extension__ ({ const unsigned char *__s2 =				      \
-		      (const unsigned char *) (const char *) (s2);	      \
-		    int __result =					      \
-		      (((const unsigned char *) (const char *) (s1))[0]	      \
-		       - __s2[0]);					      \
-		    if (l1 > 0 && __result == 0)			      \
-		      {							      \

*   [Python license example](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/ops/nn.py#L1)
*   [Java license example](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/java/src/main/java/org/tensorflow/Graph.java#L1)
*   [Go license example](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/go/operation.go#L1)

		}
	)

	DB.Migrator().DropTable("level1_level2s", &Level2{}, &Level1{})

	if err := DB.AutoMigrate(new(Level1), new(Level2)); err != nil {
		t.Error(err)
	}

	lvl := Level1{
		Name: "l1",
		Level2s: []Level2{
			{Name: "l2-1"}, {Name: "l2-2"},
		},
	}
	DB.Save(&lvl)

	var called int64

	// limit (8KB), we stop growing the source string once the limit
	// is reached and keep reusing the same source string - that
	// should therefore be always resident in the L1 cache - until we
	// have completed the construction of the result.
	// This yields significant speedups (up to +100%) in cases where
	// the result length is large (roughly, over L2 cache size).
	const chunkLimit = 8 * 1024