YES YOU ARE RIGHT!!!

This is how Write Skew is defined in the paper

A5B: r1[x]...r2[y]...w1[y]...w2[x]...(c1 and c2 occur)

(Write Skew)

and this is our example

r1[x] = select col_padre from padre where...

thanks dcpeterson

but the example was done just to prove if it is posible to have WRITE SKEW under REPEATABLE READ or not.

This is not a real case...

Thanks

Yes we try this in SERIALIZABLE and worked out fine but the paper says that the example should work out fine in REPEATABLE READ.

So, is the paper incorrect or is...