{"version":"1.0","provider_name":"Rainbow Dash Network","provider_url":"http:\/\/rainbowdash.net\/","type":"link","title":"Toksyuryel (toksyuryel)'s status on Tuesday, 08-May-12 18:50:06 UTC","author_name":"Toksyuryel (toksyuryel)","author_url":"http:\/\/rainbowdash.net\/toksyuryel","url":"http:\/\/rainbowdash.net\/notice\/1348958","html":"I'm guessing this is invalid... `     mentions        text[] CHECK (mentions ALL REFERENCES users),` I'm actually not sure how to do this correctly. How do I write a constraint to compare all the values in an array to rows in a different table? (PostgreSQL) #<span class=\"tag\"><a href=\"http:\/\/rainbowdash.net\/tag\/sql\" rel=\"tag\">SQL<\/a><\/span>"}