anchor.diff:  ;; "Result: #<Success [{:n 1} {:n 2}]>"
   ----
   
  -
   Fetch function also supports a `:chan` parameter on opts, that allows pass own channel with
   transducer:
  -
   
   .Example fetching results from query using channel with transducer.
   [source, clojure]
  
positive.code: 
  
  [[drop-index]]
  The DROP INDEX statement
  ^^^^^^^^^^^^^^^^^^^^^^^^
  
  .Drop index
  [source, clojure]
  
negative.code: the subtransaction will be marked for rollback, not the entire transaction.
  
  
  === Lazy result fetching
  
  The _suricatta_ library also comes with lazy fetching support. In this case, it tries instead
  of fetching all results in memory, fetch in small groups, allowing lower memory usage.
  