forum_modules/pgfulltext/handlers.py

   1 import re
   2 from django.db.models import Q
   3 from forum.models.question import Question, QuestionManager
   4 from forum.modules import decorate
   5
   6 word_re = re.compile(r'\w+', re.UNICODE)
   7
   8 @decorate(QuestionManager.search, needs_origin=False)
   9 def question_search(self, keywords):
  10     tsquery = " | ".join(word_re.findall(keywords))
  11     ilike = keywords + u"%%"
  12
  13     return True, self.extra(
  14             tables = ['forum_rootnode_doc'],
  15             select={
  16             'ranking': """
  17                                 rank_exact_matches(ts_rank_cd('{0.1, 0.2, 0.8, 1.0}'::float4[], "forum_rootnode_doc"."document", to_tsquery('english', %s), 32))
  18                                 """,
  19             },
  20             where=["""
  21                            "forum_rootnode_doc"."node_id" = "forum_node"."id" AND ("forum_rootnode_doc"."document" @@ to_tsquery('english', %s) OR
  22                            "forum_node"."title" ILIKE %s)
  23                            """],
  24             params=[tsquery, ilike],
  25             select_params=[tsquery],
  26             )
  27
  28
  29
  30