+CREATE TABLE process_blockers (
+ process INTEGER NOT NULL,
+ condition INTEGER NOT NULL,
+ PRIMARY KEY (process, condition),
+ FOREIGN KEY (process) REFERENCES processes(id),
+ FOREIGN KEY (condition) REFERENCES conditions(id)
+);
+CREATE TABLE todo_blockers (
+ todo INTEGER NOT NULL,
+ condition INTEGER NOT NULL,
+ PRIMARY KEY (todo, condition),
+ FOREIGN KEY (todo) REFERENCES todos(id),
+ FOREIGN KEY (condition) REFERENCES conditions(id)
+);