Django Queryset & Lookups Reference Guide

Author: codingforentrepreneurs

references/Django QuerySets & Lookups.md

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+Basic Django QuerySet Reference Guide
+
+## `.all()` Get everything
+```python
+from articles.models import Article
+
+qs = Article.objects.all()
+```
+
+
+## `.filter()` Filter by a field
+
+```
+qs = Article.objects.filter(title='Hello World')
+```
+
+
+
+
+## `__exact` Exact match
+```
+qs = Article.objects.filter(title__exact='Hello World')
+```
+
+## `__iexact` Case-insensitve match
+
+```
+qs = Article.objects.filter(title__iexact='HELLO World')
+```
+
+
+## `__icontains` Case-insensitive contains
+
+```
+qs = Article.objects.filter(title__icontains='World')
+```
+
+## `__contains` Case-sensitive contains
+
+```
+qs = Article.objects.filter(title__contains='wOrld')
+```
+
+
+## `__in` Check inside a given iterable
+
+```
+ids = [15, 16, 20]
+qs = Article.objects.filter(id__in=ids)
+```