Function submit

test/db.js:76–87

(db, collection, id, op, callback)

    // snapshot before committing. Thus, commit may rely on the behavior
    // of getSnapshot with this special projection
    function submit(db, collection, id, op, callback) {
      db.getSnapshot(collection, id, {$submit: true}, null, function(err, snapshot) {
        if (err) return callback(err);
        if (snapshot.v !== op.v) {
          var succeeded = false;
          return callback(null, succeeded);
        }
        var err = ot.apply(snapshot, op);
        if (err) return callback(err);
        db.commit(collection, id, op, snapshot, null, callback);
      });
    }

    describe('commit', function() {
      function commitConcurrent(db, ops, test, done) {