From: Paul Ramsey <pramsey@cleverelephant.ca>
Date: Wed, 4 Nov 2009 18:47:57 +0000 (+0000)
Subject: Allow ~= operator to recheck, per #253.
X-Git-Tag: 1.5.0b1~297
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0cc9a3bc4e9f3524d4947a157d8897b2c46a2d7e;p=postgis

Allow ~= operator to recheck, per #253.


git-svn-id: http://svn.osgeo.org/postgis/trunk@4736 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/postgis/lwgeom_gist.c b/postgis/lwgeom_gist.c
index f89c1a1f0..4f965a8c2 100644
--- a/postgis/lwgeom_gist.c
+++ b/postgis/lwgeom_gist.c
@@ -562,6 +562,12 @@ Datum LWGEOM_gist_consistent(PG_FUNCTION_ARGS)
 	   out during index scans. For cases when the geometries are large, rechecking
 	   can make things twice as slow. */
 	*recheck = false;
+	
+	/* Our ~= operator (strategy 6) requires a re-check in order to 
+	   function according to the documentation and past behavior. 
+	   We will temporarily enable that behavior here. */
+	if ( strategy == 6 )
+		*recheck = true;
 #endif
 
 	POSTGIS_DEBUG(2, "GIST: LWGEOM_gist_consistent called");