Chris Gray writes:
 > The Zope book discusses calling a ZSQL Method via a URL, saying that a
 > request for a URL like:
 >   http://localhost:8080/zsql_method/parameter/value
 > "will return a result object", but what I get is the index_html document
 > at the root, although I do get a rendered record with:
The ZPublisher works as follows:

  It traverses the ZODB guided by the components in your URL.
  It it arrives at the URL's end, it checks whether the
  reached object is callable (this is the case for all
  kinds of methods and documents). If it is, the object
  is called.
  If it is not, ZPublisher checks, whether the object
  has (or can acquire) a method "index_html"
  (this usually is the case). It then calls this method.

In your case:

  ZPublisher will reach the result object (as the Zope book
  describes). Unless you have wrapped this object
  into a custom class (aka brain, see "Advanced" tab),
  this is a "Record" object.
  A "Record" object is not callable.
  "index_html" is looked for, found in a folder above and

  That's what you see.

What can you do?

  Wrap you results into a custom brain that either
  defines a "__call__" (that would need to be a
  Python defined class) or an "index_html" (this
  may be a non-persistent ZClass).


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