def unionFilterQuerySet(self, queryset):
queries = []
base = queryset
for field in self.union_fields:
isNull = False
value = self.request.GET.get(field, '')
if value in ([], (), {}, '', None):
continue
value = value.split(',')
newvalue = []
for i in range(0, len(value)):
if value[i] in (u'true', 'true'):
newvalue.append(True)
elif value[i] in (u'false', 'false'):
newvalue.append(False)
elif value[i] in (u'none', 'none'):
isNull = True
else:
newvalue.append(value[i])
queries.append(
models.Q(**{LOOKUP_SEP.join([field, 'in']): newvalue}))
if isNull:
queries.append(
models.Q(**{LOOKUP_SEP.join([field, 'isnull']): isNull}))
if len(queries) > 0:
queryset = queryset.filter(reduce(operator.or_, queries))
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
self.request = request
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
conditions = []
sub_search = getattr(view, 'sub_search', None)
if sub_search:
sub_search = sub_search()
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
if sub_search:
queries += sub_search
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
"""Return queryset annotate s as Similarity
similarity=TrigramSimilarity('name_cut', name_cut),
s = 0.25 / similarity if name__startswith name
s = 0.5 / similarity if name__contains name
s = 1.0 / similarity if name_cut similar name_cut
"""
name = self.get_search_terms(request)
name_cut = get_name_cut(name)
if not name or not name_cut:
return queryset.annotate(s=Value(0.0, FloatField()))
base = queryset
queryset = queryset.annotate(similarity=TrigramSimilarity(
'name_cut', name_cut), ).annotate(s=Case(
When(name__startswith=name,
then=0.25 / (F('similarity') + 0.01)),
When(name__contains=name, then=0.5 / (F('similarity') + 0.01)),
default=1.0 / (F('similarity') + 0.01),
output_field=FloatField(),
)).filter(s__lt=9).order_by('s')
return distinct(queryset, base)
def filter_queryset(self, request, queryset, view):
search_terms = self.get_search_terms(request)
if any([include_non_asc(x) for x in search_terms]):
search_fields = getattr(view, 'search_fields', None)
else:
search_fields = getattr(view, 'pinyin_search_fields', None)
if getattr(view, 'search_id_for_number', False):
if len(search_terms) == 1 and search_terms[0].isdigit(
) and not search_terms[0].startswith('0'):
return queryset.filter(pk=search_terms[0])
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
conditions = []
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
if self.must_call_distinct(queryset, search_fields):
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_terms = self.get_search_terms(request)
if not search_terms:
return queryset
reference_descriptor = view.get_reference_descriptor()
search_fields = reference_descriptor.get_search_fields()
if not search_fields:
raise exceptions.ValidationError(
'ReferenceDescriptor for `{}` are not configured: incorrect `search_fields` field'
.format(view.get_reference_model_name()))
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
queryset = queryset.filter(reduce(operator.or_, queries))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_fields = self.get_valid_fields(request, queryset, view)
search_terms = self.get_search_terms(request)
LOGGER.debug("[SearchFilter] search_terms=%s, search_fields=%s",
search_terms, search_fields)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
conditions = []
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
queryset = queryset.filter(reduce(operator.or_, queries))
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
return distinct(queryset, base)
def filter_queryset(self, request, queryset, view):
"""Return queryset annotate s as Similarity
similarity=TrigramSimilarity('name_cut', name_cut),
s = 0.25 / similarity if name__startswith name
s = 0.5 / similarity if name__contains name
s = 1.0 / similarity if name_cut similar name_cut
"""
name = self.get_search_terms(request)
name_cut = get_name_cut(name)
if not name or not name_cut:
return queryset.annotate(s=Value(0.0, FloatField()))
base = queryset
queryset = queryset.annotate(
similarity=TrigramSimilarity('name_cut', name_cut),
).annotate(
s=Case(
When(name__startswith=name, then=0.25 / (F('similarity') + 0.01)),
When(name__contains=name, then=0.5 / (F('similarity') + 0.01)),
default=1.0 / (F('similarity') + 0.01),
output_field=FloatField(),
)
).filter(s__lt=9).order_by('s')
return distinct(queryset, base)
def filter_queryset(self, request, queryset, view):
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
queryset = queryset.filter(reduce(operator.or_, queries))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this is possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_fields = self.get_search_fields(view, request)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(str(search_field))
for search_field in search_fields
]
base = queryset
if self.required_m2m_optimization(view):
queryset = self.optimized_queryset_filter(queryset, search_terms,
orm_lookups)
else:
queryset = self.chained_queryset_filter(queryset, search_terms,
orm_lookups)
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_terms = self.get_search_terms(request)
search_text_fields = getattr(view, 'search_text_fields', [])
search_int_fields = getattr(view, 'search_int_fields', [])
search_field_lookup = getattr(view, 'search_field_lookup', None)
search_api_url = getattr(view, 'search_api_url', None)
if not search_terms:
return queryset
base = queryset
# First check all integer fields and return if matches
int_queries = []
for int_field in search_int_fields:
values = filter(lambda x: x.isnumeric(), search_terms)
if values:
int_queries += [
models.Q(**{'{}__in'.format(int_field): values})
]
if int_queries:
int_queryset = queryset.filter(reduce(operator.or_, int_queries))
if int_queryset:
return int_queryset
# If integer fields return nothing, use text lookup
text_lookups = [
self.construct_text_search(six.text_type(search_field))
for search_field in search_text_fields
]
for search_term in search_terms:
queries = []
if search_text_fields:
cleaned_search_term = NON_ALPHANUMERIC.sub('', search_term)
queries += [
models.Q(**{text_lookup: cleaned_search_term})
for text_lookup in text_lookups
]
if search_field_lookup and search_api_url:
lookup_ids = self.get_lookup_ids_from_search_term(request, search_api_url, search_term)
if lookup_ids:
queries += [
models.Q(**{'{}__in'.format(search_field_lookup): lookup_ids})
]
if queries:
queryset = queryset.filter(reduce(operator.or_, queries))
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
return distinct(queryset, base)
def filter_queryset(self, request, queryset, view):
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
base = queryset
queryset = self.apply_filters(queryset, search_fields, search_terms)
queryset = self.apply_search(queryset, search_fields, search_terms)
if search_fields and self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
"""
Case-insensitive search filtering
"""
search_fields = self.get_search_fields(view, request)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = []
orm_search_fields = []
queryset_by_func_ids = []
for search_field in search_fields:
orm_lookup = self._construct_search(str(search_field))
if orm_lookup is not None:
orm_search_fields.append(search_field)
orm_lookups.append(orm_lookup)
else:
self._filter_by_external_func(queryset_by_func_ids,
search_field[1:], queryset,
search_terms)
base = queryset
conditions = []
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
if queryset_by_func_ids:
queryset |= base.filter(id__in=queryset_by_func_ids)
if self.must_call_distinct(queryset, orm_search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_terms = self.get_search_terms(request)
if not search_terms:
return queryset
base = queryset
q1 = Q(short_name_joined__istartswith=search_terms[0])
q2 = Q(full_name_joined__istartswith=search_terms[0])
queryset = queryset.annotate(
short_name_joined=Func(F('short_name'),
Value(' '),
Value(''),
function='replace'),
full_name_joined=Func(F('full_name'),
Value(' '),
Value(''),
function='replace')).filter(q1 | q2)
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
"""
Prioritise the search by search fields
"""
search_fields = getattr(view, 'search_fields', None)
search_term = self.get_search_terms(request)
if not search_fields or not search_term:
return queryset
base = queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
annotate_query = {}
annotate_query_lookups = []
for index, orm_lookup in enumerate(orm_lookups):
annotate_query_lookups.append(f'lookup{index}')
annotate_query.update({
annotate_query_lookups[index]:
Coalesce(
ExpressionWrapper(Q(**{orm_lookup: search_term}),
output_field=BooleanField()), False)
})
queryset = queryset.annotate(**annotate_query).filter(
reduce(operator.or_, [
models.Q(**{lookup: True}) for lookup in annotate_query_lookups
]))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
queryset = queryset.order_by(
*[f'-{lookup}' for lookup in annotate_query_lookups])
return queryset
def filter_search(self, queryset, value):
search_fields = (
"name",
"section__name",
)
search_terms = value.replace(',', ' ').split()
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
queryset = queryset.filter(reduce(operator.or_, queries))
return distinct(queryset, base)
def filter_queryset(self, request, queryset, view):
"""This is a minor reimplementation of the filter_queryset on
SearchFilter from DjangoRestFramework, but adds a query against the id
if present.
"""
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
# If not doing any searching, at least filter on id.
pk = request.query_params.get('id', None)
if not search_fields or not search_terms:
if pk is not None:
return queryset.filter(pk=pk)
else:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
# Always add pk as an OR match.
if pk is not None:
queries.append(models.Q(pk=pk))
queryset = queryset.filter(reduce(operator.or_, queries))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
"""This is a minor reimplementation of the filter_queryset on
SearchFilter from DjangoRestFramework, but adds a query against the id
if present.
"""
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
# If not doing any searching, at least filter on id.
pk = request.query_params.get('id', None)
if not search_fields or not search_terms:
if pk is not None:
return queryset.filter(pk=pk)
else:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
# Always add pk as an OR match.
if pk is not None:
queries.append(models.Q(pk=pk))
queryset = queryset.filter(reduce(operator.or_, queries))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
"""Custom `filter_queryset` method.
This is the original `filter_queryset` method with adding extra
search conditions for ``SearchFilter`` filtering.
"""
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
conditions = []
# Here is custom code - each search term in transformed to each of
# specified keyboard layouts
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: self.get_term(search_term, layout)})
for orm_lookup in orm_lookups
for layout in self.get_search_layouts(view)
]
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
if self.must_call_distinct(queryset, search_fields):
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_fields = self.get_search_fields(view, request)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(str(search_field))
for search_field in search_fields
]
base = queryset
if self.required_m2m_optimization(view):
queryset = self.optimized_queryset_filter(queryset, search_terms,
orm_lookups)
else:
queryset = self.chained_queryset_filter(queryset, search_terms,
orm_lookups)
if self.must_call_distinct(queryset, search_fields):
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_terms = self.get_base_search_terms(request)
# if there nothing to search - return
if not search_terms:
return queryset
# first try to search in lucene way
searchset_class = self.get_searchset_class(view, request)
filtered_queryset = self.lucene_filter_queyset(searchset_class=searchset_class, search_terms=search_terms,
queryset=queryset)
# if there is nothing to present
# we give a second chance to common search
if filtered_queryset is None:
queryset = super().filter_queryset(request=request, queryset=queryset, view=view)
else:
if self.must_call_distinct(queryset, searchset_class.get_fields_sources()):
queryset = distinct(filtered_queryset, queryset)
else:
queryset = filtered_queryset
return queryset
def filter_queryset(self, query_params, queryset, service):
"""
过滤查询集
:param query_params: 查询参数
:param queryset: 查询集
:param service: 服务
:return: 查询集
"""
# 获取可查询的字段列表
search_fields = self.get_search_params(service)
if not search_fields:
return queryset
# 获取查询字段和输入值
search_field_terms = self.get_search_fields_terms(
search_fields, query_params)
base = queryset
conditions = []
# 组合查询
for search_field, search_terms in search_field_terms.items():
orm_lookup = self.construct_search(six.text_type(search_field))
queries = [
models.Q(**{orm_lookup: search_term})
for search_term in search_terms
]
conditions.append(reduce(operator.or_, queries))
if conditions:
queryset = queryset.filter(reduce(operator.and_, conditions))
if self.must_call_distinct(
queryset, self.get_search_fields(service, query_params)):
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
if connection.features.has_native_uuid_field:
return super().filter_queryset(request, queryset, view)
search_fields = self.get_search_fields(view, request)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(str(search_field))
for search_field in search_fields
]
base = queryset
conditions = []
for search_term in search_terms:
queries = []
for orm_lookup in orm_lookups:
search_field = orm_lookup.split(LOOKUP_SEP)[0]
field_type = queryset.model._meta.get_field(search_field)
if isinstance(field_type, UUIDField):
search_term = search_term.replace('-', '')
queries.append(Q(**{orm_lookup: search_term}))
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_fields = getattr(view, 'search_fields', None)
search_terms = self.get_search_terms(request)
if not search_fields or not search_terms:
return queryset
orm_lookups = [
self.construct_search(six.text_type(search_field))
for search_field in search_fields
]
base = queryset
conditions = []
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
conditions.append(reduce(operator.or_, queries))
queryset = queryset.filter(reduce(operator.and_, conditions))
queryset = distinct(queryset, base)
return queryset
def _use_distinct(self, searchset_class, queryset, filtered_queryset):
if self.must_call_distinct(queryset, searchset_class.get_fields_sources()):
return distinct(filtered_queryset, queryset)
else:
return filtered_queryset
def filter_queryset(self, request, queryset, view):
search_fields = self.get_search_fields(view, request)
search_terms = self.get_search_terms(request)
# print("I am in EbsSearchFilter*********************************")
# print("search_fields type=")
# print(type(search_fields))
# print("search_fields=")
# print(search_fields)
if not search_fields or not search_terms:
return queryset
nested_target = list(set(search_fields) & set(self.nested_fields))
regular_target = list(set(search_fields) - set(self.nested_fields))
""" for test in regular_target:
print(type(self.construct_search(test)))
print(self.construct_search(test)) """
orm_lookups = [
self.construct_search(str(search_field))
for search_field in regular_target
]
nested_lookups = [
self.construct_search(str(search_field))
for search_field in nested_target
]
base = queryset
regular_qlist = []
for search_term in search_terms:
print(search_term)
queries = [
Q(**{orm_lookup: search_term}) for orm_lookup in orm_lookups
]
regular_qlist.append(reduce(operator.or_, queries))
regular_queryset = queryset.filter(reduce(operator.and_,
regular_qlist))
nested_conditions = []
for search_term in search_terms:
nested_qlist = []
for nested_lookup in nested_lookups:
for nested_cat in self.nested_cats:
tag = nested_lookup.split("__")[0]
value = nested_lookup.split("__")[1]
d = {}
d[value] = search_term
if tag == nested_cat:
dd = {}
dd[nested_cat] = d
nested_qlist.append(Q(**dd))
#print(nested_qlist)
# print("nested_qlist.................................")
# print(nested_qlist)
nested_conditions.append(reduce(operator.or_, nested_qlist))
# print(nested_conditions)
nested_queryset = queryset.filter(
reduce(operator.and_, nested_conditions))
queryset = regular_queryset | nested_queryset
if self.must_call_distinct(queryset, search_fields):
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
# We try to avoid this if possible, for performance reasons.
queryset = distinct(queryset, base)
return queryset
def filter_queryset(self, request, queryset, view):
search_fields = getattr(view, 'search_fields', None)
search_terms = getattr(view, 'search_words', None)
search_terms = search_terms if search_terms else self.get_search_terms(
request)
if not search_fields or not search_terms:
return queryset
#orm_lookups = [
# self.construct_search(six.text_type(search_field))
# for search_field in search_fields
#]
# Add sub or operation
orm_lookups = []
for search_field in search_fields:
search_field_list = search_field.split(
settings.SEARCH_KEY_OR_DELIMITER)
if len(search_field_list) == 1:
# keep old
orm_lookups.append(
self.construct_search(six.text_type(search_field)))
else:
if search_field[0] in ('$', '^', '='):
for i, item in enumerate(search_field_list[1:]):
search_field_list[
i + 1] = search_field[0] + search_field_list[i + 1]
or_orm_lookups = [
self.construct_search(six.text_type(item))
for item in search_field_list
]
orm_lookups.append(or_orm_lookups)
base = queryset
# Process for multiple search field
if request.query_params.get(settings.SEARCH_KEY):
for index, orm_lookup in enumerate(orm_lookups):
try:
search_term = search_terms[index]
except:
search_term = ''
if isinstance(orm_lookup, list):
queries = [
models.Q(**{sub_orm_lookup: search_term})
for sub_orm_lookup in orm_lookup
]
else:
queries = [
models.Q(**{orm_lookup: search_term}),
]
queryset = queryset.filter(reduce(operator.or_, queries))
else:
# Keep full text search if not search field specified
for search_term in search_terms:
queries = [
models.Q(**{orm_lookup: search_term})
for orm_lookup in orm_lookups
]
queryset = queryset.filter(reduce(operator.or_, queries))
# Filtering against a many-to-many field requires us to
# call queryset.distinct() in order to avoid duplicate items
# in the resulting queryset.
return distinct(queryset, base)