From 24b9f5082344a127147266dd52d5d2dcd1c9cb44 Mon Sep 17 00:00:00 2001
From: Dulmandakh <dulmandakh@gmail.com>
Date: Wed, 6 Nov 2019 18:22:15 +0800
Subject: Fixed #29916 -- Added lower_inc, lower_inf, upper_inc, and upper_inf
 lookups for RangeFields.

Co-Authored-By: Mariusz Felisiak <felisiak.mariusz@gmail.com>
---
 docs/ref/contrib/postgres/fields.txt | 56 ++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

(limited to 'docs/ref')

diff --git a/docs/ref/contrib/postgres/fields.txt b/docs/ref/contrib/postgres/fields.txt
index 27cf6469f1..cd35a33ee6 100644
--- a/docs/ref/contrib/postgres/fields.txt
+++ b/docs/ref/contrib/postgres/fields.txt
@@ -864,6 +864,62 @@ Returned objects are empty ranges. Can be chained to valid lookups for a
     >>> Event.objects.filter(ages__isempty=True)
     <QuerySet []>
 
+.. fieldlookup:: rangefield.lower_inc
+
+``lower_inc``
+^^^^^^^^^^^^^
+
+.. versionadded:: 3.1
+
+Returns objects that have inclusive or exclusive lower bounds, depending on the
+boolean value passed. Can be chained to valid lookups for a
+:class:`~django.db.models.BooleanField`.
+
+    >>> Event.objects.filter(ages__lower_inc=True)
+    <QuerySet [<Event: Soft play>, <Event: Pub trip>]>
+
+.. fieldlookup:: rangefield.lower_inf
+
+``lower_inf``
+^^^^^^^^^^^^^
+
+.. versionadded:: 3.1
+
+Returns objects that have unbounded (infinite) or bounded lower bound,
+depending on the boolean value passed. Can be chained to valid lookups for a
+:class:`~django.db.models.BooleanField`.
+
+    >>> Event.objects.filter(ages__lower_inf=True)
+    <QuerySet []>
+
+.. fieldlookup:: rangefield.upper_inc
+
+``upper_inc``
+^^^^^^^^^^^^^
+
+.. versionadded:: 3.1
+
+Returns objects that have inclusive or exclusive upper bounds, depending on the
+boolean value passed. Can be chained to valid lookups for a
+:class:`~django.db.models.BooleanField`.
+
+    >>> Event.objects.filter(ages__upper_inc=True)
+    <QuerySet []>
+
+.. fieldlookup:: rangefield.upper_inf
+
+``upper_inf``
+^^^^^^^^^^^^^
+
+.. versionadded:: 3.1
+
+Returns objects that have unbounded (infinite) or bounded upper bound,
+depending on the boolean value passed. Can be chained to valid lookups for a
+:class:`~django.db.models.BooleanField`.
+
+    >>> Event.objects.filter(ages__upper_inf=True)
+    <QuerySet [<Event: Pub trip>]>
+
 Defining your own range types
 -----------------------------
 
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