From 8849ac3a97f649dee66cbe5fa0a3b3ca78cff1df Mon Sep 17 00:00:00 2001 From: Regina Obe Date: Fri, 13 Jan 2012 15:50:12 +0000 Subject: [PATCH] remove ~= from documentation -- we don't want people using this operator git-svn-id: http://svn.osgeo.org/postgis/trunk@8799 b70326c6-7e19-0410-871a-916f4a2858ee --- doc/reference_operator.xml | 72 -------------------------------------- 1 file changed, 72 deletions(-) diff --git a/doc/reference_operator.xml b/doc/reference_operator.xml index 24e7559ca..aac25beb0 100644 --- a/doc/reference_operator.xml +++ b/doc/reference_operator.xml @@ -991,78 +991,6 @@ FROM , - - - - ~= - - Returns TRUE if A's bounding box is the same as B's. - - - - - - - boolean ~= - - - geometry - - A - - - - geometry - - B - - - - - - - Description - - The ~= operator returns TRUE if the bounding box of geometry/geography A - is the same as the bounding box of geometry/geography B. - - This operand will make use of any indexes that may be available on the - geometries. - - Availability: 1.5.0 changed behavior - &P_support; - - - This operator has changed behavior in PostGIS 1.5 - from testing for actual geometric equality to only - checking for bounding box equality. To complicate things - it also depends on if you have done a hard or soft upgrade - which behavior your database has. To find out which behavior - your database has you can run the query below. - To check for true equality use or and to check for bounding box equality ; - operator is a safer option. - - - - - Examples - - -select 'LINESTRING(0 0, 1 1)'::geometry ~= 'LINESTRING(0 1, 1 0)'::geometry as equality; - equality | ------------------+ - t | - - The above can be used to test if you have the new or old behavior of ~= operator. - - - See Also - , , - - -- 2.50.1