StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

How can I enforce a constraint only if a column is not null in Postgresql?

Author Votes Δ
derobert 4 +3.69
Dana the Sane 1 +1.98
SingleNegationElimination 1 +0.81
Troels Arvin 0 -3.22
Brian Fisher 0 -3.25
Last visited: Sep 14, 2014, 5:07:29 AM