CCF_100
/
relational
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
608 Commits
1 Branch
0 Tags
9.1 MiB
Commit Graph

1 Commits (fb643bd26d005a0a15e90a32166ae97ab5eb31b3)

Author SHA1 Message Date
Salvo 'LtWorf' Tomaselli 3b3888e9be New optimization 
Turns
        π a,b,c(A) ∪ π a,b,c(B)

    into
        π a,b,c(A ∪ B)

    if A and B are union compatible

Works with union, intersection and difference.
 2016-01-03 10:07:23 +07:00