Custom Query (2152 matches)

Reported by rolf, 3 years ago.

In the presentation of data packages, the link in "The information on this page and the downloads / resources are also available using the datapkg command line utility." (​http://knowledgeforge.net/ckan/doc/datapkg/install.html) ends up at the home page of ckan.org

Perhaps link it to ​https://bitbucket.org/okfn/datapkg/overview for now, to save some searching for people who want to find out more?

Reported by rgrp, 3 years ago.

• SQLite based
• Use Cyclone for async http server on top with auth
• Designed to not be specific to CKAN or anything else

Current code is here: ​https://github.com/okfn/webstore.

API Spec

Read

Two basic ways to query::

    GET: /{owner}/{db-name}/?sql=...
    GET: /{owner}/{db-name}/?table=...&attr=value&attr=value&limit=...

Returns::

  {
      u'keys': [u'id', u'name'],
      u'data': [
          [1, u'jones'],
          [u'aaa', u'jones']
          ]
  }

Write

POST to::

/{owner/{database}/{table}

Payload is json data structured as follows::

{

unique_keys: [list of key attributes] data: {dict of values}

}

Authentication and Authorization

Authentication: use basic auth header.

Authorization:

• Default: all read, owner can write
• Restricted: owner can read and write, everyone can do nothing

Possible future: config file can specify a python method (TODO: method signature)

Integration with Other Systems

TODO: Specify how to delegate authenatication to user database in some other system.

Reported by rgrp, 3 years ago.

See reports on list at:

• ​http://lists.okfn.org/pipermail/ckan-dev/2011-July/001103.html
• ​http://lists.okfn.org/pipermail/ckan-dev/2011-July/001107.html

Tracked this to issue in dictization/model_save whereby was ignoring case where Package Tag already there but in deleted state. Rather than describe at length see fix.