forum_modules/pgfulltext/handlers.py

   1 from django.db.models import Q
   2 from forum.models.question import Question, QuestionManager
   3 from forum.modules.decorators import decorate
   4
   5 @decorate(QuestionManager.search, needs_origin=False)
   6 def question_search(self, keywords):
   7     tsquery = " | ".join([k for k in keywords.split(' ') if k])
   8
   9     return self.extra(
  10                     tables = ['forum_rootnode_doc'],
  11                     select={
  12                         'ranking': """
  13                                 rank_exact_matches(ts_rank_cd('{0.1, 0.2, 0.8, 1.0}'::float4[], "forum_rootnode_doc"."document", to_tsquery('english', %s), 32))
  14                                 """,
  15                     },
  16                     where=["""
  17                            "forum_rootnode_doc"."node_id" = "forum_node"."id" AND ("forum_rootnode_doc"."document" @@ to_tsquery('english', %s) OR
  18                            "forum_node"."title" ILIKE '""" + keywords.replace("'",r"\'") + """%%')
  19                            """],
  20                     params=[tsquery],
  21                     select_params=[tsquery],
  22                     order_by=['-ranking']
  23                 )
  24