I have a Project model with a foreign key to institution. I want to
do a Q(institution_icontains)=queryr
on the institution field in the institution table, but the filter
needs to go through the Projects model.
I need all institutions associated with a Project.
class Project(models.Model):
restitle = models.TextField(null=True, blank=True)
institution = models.ForeignKey(Institution, null=True,
blank=True)
contact = models.ForeignKey(Contact, null=True, blank=True)
def __unicode__(self):
return self.restitle
class Meta:
ordering = ["restitle"]
class Institution(models.Model):
institution = models.TextField(null=True, blank=True)
def __unicode__(self):
return self.institution
class Meta:
ordering = ["institution"]
def projects(request):
queryr = request.GET.get('qr', '')
if queryr:
qset = (
Q(projecttitle__icontains=queryr)
)
resultsr = Project.objects.filter(qset).distinct() # original
qset2 = (
Q(institution__icontains=queryr)
)
resultsi = Institution.objects.filter(qset2).distinct()
else:
resultsr = []
resultsi = []
return render_to_response("search/search.html", {
"queryr": queryr,
"resultsr": resultsr,
"resultsi": resultsi,
This statement gives me an error, because institution is not in
Project, but the institution_id.
qset = (
Q(projecttitle__icontains=queryr) |
Q(institution__icontains=queryr)
)
This statement selects results from both models (projects and
institutions), but institution is
independent of the Projects.
qset = (
Q(projecttitle__icontains=queryr)
)
resultsr = Project.objects.filter(qset).distinct() # original
qset2 = (
Q(institution__icontains=queryr)
)
resultsi = Institution.objects.filter(qset2).distinct()
Can anyone please help me with the syntax?
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