dojo1.6StoreApiIssues.js

// result sets (two identical queries)
var rs1, rs2;

//items to watch (two instances of same model data)
var item1, item2;

dojo.when(store.query({}), function (results) {
  rs1 = results;
  item1 = results[0];
  // item1.get('prop') == 'foo'
});

dojo.when(store.query({}), function (results) {
  rs2 = results;
  item2 = results[0];
  // item2.get('prop') == 'foo'
});

// later, in some app controller
item1.set('prop', 'bar'); // watchers of item1 get notified
store.put(rs1); // observers of rs1 and rs2 get notified

item2.get('prop'); // still 'foo', not 'bar', nobody got notified
rs2[0].get('prop') // 'bar' !