+import re
from django.db.models import Q
from forum.models.question import Question, QuestionManager
from forum.modules.decorators import decorate
+repl_re = re.compile(r"^'|[^\'\-_\s\w]|'$", re.UNICODE)
+sing_quote_re = re.compile(r"\'+")
+
@decorate(QuestionManager.search, needs_origin=False)
def question_search(self, keywords):
+ tsquery = " | ".join([k for k in repl_re.sub('', sing_quote_re.sub("'", keywords.strip())).split(' ') if k])
+ ilike = keywords + u"%%"
+
return self.extra(
- tables = ['forum_rootnode_doc'],
- select={
- 'ranking': """
- rank_exact_matches(ts_rank_cd('{0.1, 0.2, 0.8, 1.0}'::float4[], "forum_rootnode_doc"."document", plainto_tsquery('english', %s), 32))
+ tables = ['forum_rootnode_doc'],
+ select={
+ 'ranking': """
+ rank_exact_matches(ts_rank_cd('{0.1, 0.2, 0.8, 1.0}'::float4[], "forum_rootnode_doc"."document", to_tsquery('english', %s), 32))
""",
- },
- where=["""
- "forum_rootnode_doc"."node_id" = "forum_node"."id" AND ("forum_rootnode_doc"."document" @@ plainto_tsquery('english', %s) OR
- "forum_node"."title" ILIKE '""" + keywords + """%%')
+ },
+ where=["""
+ "forum_rootnode_doc"."node_id" = "forum_node"."id" AND ("forum_rootnode_doc"."document" @@ to_tsquery('english', %s) OR
+ "forum_node"."title" ILIKE %s)
"""],
- params=[keywords],
- select_params=[keywords],
- order_by=['-ranking']
- )
+ params=[tsquery, ilike],
+ select_params=[tsquery],
+ order_by=['-ranking']
+ )