From 0bd067d0950f49ea586b9c2f0cc74fee24b1d3e9 Mon Sep 17 00:00:00 2001
From: Sergey Fedoseev <fedoseev.sergey@gmail.com>
Date: Thu, 29 Oct 2015 14:53:31 +0500
Subject: [PATCH] Fixed #25632 -- Documented missing version requirements for
 GeoDjango DB functions.

---
 docs/ref/contrib/gis/functions.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/ref/contrib/gis/functions.txt b/docs/ref/contrib/gis/functions.txt
index 490a1ef13d..f6e8f5e497 100644
--- a/docs/ref/contrib/gis/functions.txt
+++ b/docs/ref/contrib/gis/functions.txt
@@ -197,7 +197,7 @@ Distance
 
 .. class:: Distance(expr1, expr2, spheroid=None, **extra)
 
-*Availability*: MySQL, PostGIS, Oracle, SpatiaLite
+*Availability*: MySQL (≥ 5.6.1), PostGIS, Oracle, SpatiaLite
 
 Accepts two geographic fields or expressions and returns the distance between
 them, as a :class:`~django.contrib.gis.measure.Distance` object. On MySQL, a raw
@@ -332,7 +332,7 @@ Perimeter
 
 .. class:: Perimeter(expression, **extra)
 
-*Availability*: PostGIS, Oracle, SpatiaLite
+*Availability*: PostGIS, Oracle, SpatiaLite (≥ 4.0)
 
 Accepts a single geographic field or expression and returns the perimeter of the
 geometry field as a :class:`~django.contrib.gis.measure.Distance` object. On
@@ -375,7 +375,7 @@ SnapToGrid
 
 .. class:: SnapToGrid(expression, *args, **extra)
 
-*Availability*: PostGIS, SpatiaLite
+*Availability*: PostGIS, SpatiaLite (≥ 3.1)
 
 Accepts a single geographic field or expression and returns a geometry with all
 points snapped to the given grid.  How the geometry is snapped to the grid
@@ -434,7 +434,7 @@ Union
 
 .. class:: Union(expr1, expr2, **extra)
 
-*Availability*: PostGIS, Oracle, SpatiaLite
+*Availability*: MySQL (≥ 5.6.1), PostGIS, Oracle, SpatiaLite
 
 Accepts two geographic fields or expressions and returns the union of both
 geometries.