CREATE TABLE IF NOT EXISTS "sessions" ( "id" VARCHAR NOT NULL PRIMARY KEY, "expires" TIMESTAMP WITH TIME ZONE NULL, "session" TEXT NOT NULL ); CREATE TABLE IF NOT EXISTS "users" ( "id" SERIAL PRIMARY KEY, "github_login" VARCHAR, "admin" BOOLEAN ); CREATE UNIQUE INDEX "index_users_github_login" ON "users" ("github_login"); CREATE TABLE IF NOT EXISTS "signups" ( "id" SERIAL PRIMARY KEY, "github_login" VARCHAR, "email_address" VARCHAR, "about" TEXT );