[postgis-tickets] [SCM] PostGIS branch master updated. 3.1.0alpha1-41-g3e1ea07

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      from  ec43bd2afd3071bc677691ee5f2ae6dc33a47555 (commit)

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- Log -----------------------------------------------------------------
commit 3e1ea07b09d893c63b819b6290cd7d91cba01d16
Author: Raúl Marín <git at rmr.ninja>
Date:   Thu Mar 12 18:18:16 2020 +0100

    ST_Simplify: Don't copy if nothing is removed
    
    Closes #4651
    Closes https://github.com/postgis/postgis/pull/548

diff --git a/NEWS b/NEWS
index 1442f20..184a1ef 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+PostGIS 3.1.0XXXX
+2020/XX/XX
+
+Only tickets not included in 3.1.0alpha1
+
+* Breaking changes *
+  -
+
+* New features *
+  -
+
+* Enhancements *
+  - #4651: ST_Simplify: Don't copy if nothing is removed
+
+* Bug fixes *
+  -
+
 PostGIS 3.1.0alpha1
 2020/02/01
 
diff --git a/liblwgeom/ptarray.c b/liblwgeom/ptarray.c
index 3e95cec..f13911d 100644
--- a/liblwgeom/ptarray.c
+++ b/liblwgeom/ptarray.c
@@ -1692,7 +1692,7 @@ ptarray_simplify_in_place(POINTARRAY *pa, double tolerance, uint32_t minpts)
 		       pa->serialized_pointlist + pt_size * (pa->npoints - 1),
 		       pt_size);
 	}
-	else
+	else if (pa->npoints != keptn) /* We don't need to move any points if we are keeping them all */
 	{
 		for (uint32_t i = 1; i < pa->npoints; i++)
 		{

-----------------------------------------------------------------------

Summary of changes:
 NEWS                | 17 +++++++++++++++++
 liblwgeom/ptarray.c |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)


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