def _do_search(self, query, offset, limit, order_by, flags, stemming_lang,
filter, exclude, collapse_by, stopper):
"""
flags are as defined in the Xapian API :
http://www.xapian.org/docs/apidoc/html/classXapian_1_1QueryParser.html
Combine multiple values with bitwise-or (|).
"""
database = self._db.open()
enquire = xapian.Enquire(database)
#if order_by in (None, 'RELEVANCE'):
if order_by is None or order_by[0] in (None, 'RELEVANCE'):
enquire.set_sort_by_relevance()
else:
sort_reversed = False
order_by, relevance_first = order_by
if order_by.startswith('-'):
sort_reversed = True
if order_by[0] in '+-':
order_by = order_by[1:]
try:
valueno = self.tag_index(order_by)
except (ValueError, TypeError):
raise ValueError("Field %s cannot be used in order_by clause"
" because it doen't exist in index" %
order_by)
if relevance_first:
enquire.set_sort_by_relevance_then_value(
valueno, sort_reversed)
else:
enquire.set_sort_by_value_then_relevance(
valueno, sort_reversed)
if collapse_by:
try:
valueno = self.tag_index(collapse_by)
except (ValueError, TypeError):
raise ValueError("Field %s cannot be used in set_collapse_key"
" because it doen't exist in index" %
collapse_by)
enquire.set_collapse_key(valueno)
query, query_parser = self._parse_query(query, database, flags,
stemming_lang, stopper)
enquire.set_query(query)
decider = self.decider(self._model, self.tags, filter, exclude)
if limit is None:
limit = self.document_count()
return reopen_if_modified(database)(lambda: enquire.get_mset(
offset, limit, None, decider))(), query, query_parser
def _do_search(self, query, offset, limit, order_by, flags, stemming_lang,
filter, exclude, collapse_by, stopper, parse_query = True):
"""
flags are as defined in the Xapian API :
http://www.xapian.org/docs/apidoc/html/classXapian_1_1QueryParser.html
Combine multiple values with bitwise-or (|).
"""
database = self._db.open()
enquire = xapian.Enquire(database)
if order_by is None or order_by[0] in (None, 'RELEVANCE'):
enquire.set_sort_by_relevance()
else:
sort_reversed = False
order_by, relevance_first = order_by
if order_by.startswith('-'):
sort_reversed = True
if order_by[0] in '+-':
order_by = order_by[1:]
try:
valueno = self.tag_index(order_by)
except (ValueError, TypeError):
raise ValueError("Field %s cannot be used in order_by clause"
" because it doen't exist in index" % order_by)
if relevance_first:
enquire.set_sort_by_relevance_then_value(valueno, sort_reversed)
else:
enquire.set_sort_by_value_then_relevance(valueno, sort_reversed)
if collapse_by:
try:
valueno = self.tag_index(collapse_by)
except (ValueError, TypeError):
raise ValueError("Field %s cannot be used in set_collapse_key"
" because it doen't exist in index" % collapse_by)
enquire.set_collapse_key(valueno)
if parse_query:
query, query_parser = self._parse_query(query, database, flags, stemming_lang, stopper)
else:
query_parser = None
enquire.set_query(query)
decider = self.decider(self._model, self.tags, filter, exclude)
if limit is None:
limit = self.document_count()
return reopen_if_modified(database)(
lambda: enquire.get_mset(offset, limit, None, decider)
)(), query, query_parser
def document_count(self):
database = self.open()
return reopen_if_modified(database)(lambda: database.get_doccount())()
def document_count(self):
database = self.open()
return reopen_if_modified(database)(lambda: database.get_doccount())()
