PostGIS 2.3.0 Released

Author: Regina Obe 2016/09/26 in news ( release, 2.3, 2.3.0 )

The PostGIS development team is pleased to announce the release of PostGIS 2.3.0.
This is the first version to utilize the parallel support functionality introduced in PostgreSQL 9.6. As such, if you are using PostgreSQL 9.6, we strongly encourage you to use this version.

Parallel support will make many queries using PostGIS relationship operators and functions faster. In order to take advantage of parallel query support, make sure to set max_parallel_workers_per_gather to something greater than 0 as noted in max_parallel_workers_per_gather PostgreSQL runtime configs

Best served with [PostgreSQL 9.6+] which is due out this week and pgRouting 2.3.0 which also just got released.

Packages from maintainers will be out in the coming days and weeks.

If you are a Mac user using newer XCode 8, you might run into some compilation issues as a result of recent changes in XCode. Refer to https://trac.osgeo.org/postgis/ticket/3643 for a patch you can use.

Please report bugs that you find in this release.

Important / Breaking Changes / Bug Fixes

All relevant fixes coming in PostGIS 2.2.3 are in this release
2841, ST_MinimumBoundingCircle not covering original
3466, Casting from box3d to geometry now returns a 3D geometry (Julien Rouhaud of Dalibo)
3604, pgcommon/Makefile.in orders CFLAGS incorrectly leading to wrong liblwgeom.h (Greg Troxel)
3396, ST_EstimatedExtent, now throws WARNING instead of ERROR (Regina Obe)

New Features and Performance Enhancements
Add support for custom TOC in postgis_restore.pl (Christoph Moench-Tegeder)
Add support for negative indexing in ST_PointN and ST_SetPoint (Rémi Cura)
Add parameters for geography ST_Buffer (Thomas Bonfort)
TopoGeom_addElement, TopoGeom_remElement (Sandro Santilli)
populate_topology_layer (Sandro Santilli)
454, ST_WrapX and lwgeom_wrapx (Sandro Santilli)
1758, ST_Normalize (Sandro Santilli)
2236, shp2pgsql -d now emits “DROP TABLE IF EXISTS”
2259, ST_VoronoiPolygons and ST_VoronoiLines (Dan Baston)
2841 and #2996, ST_MinimumBoundingRadius and new ST_MinimumBoundingCircle implementation using Welzl’s algorithm (Dan Baston)
2991, Enable ST_Transform to use PROJ.4 text (Mike Toews)
3059, Allow passing per-dimension parameters in ST_Expand (Dan Baston)
3339, ST_GeneratePoints (Paul Ramsey)
3362, ST_ClusterDBSCAN (Dan Baston)
3364, ST_GeometricMedian (Dan Baston)
3391, Add table inheritance support in ST_EstimatedExtent (Alessandro Pasotti)
3424, ST_MinimumClearance (Dan Baston)
3428, ST_Points (Dan Baston)
3465, ST_ClusterKMeans (Paul Ramsey)
3469, ST_MakeLine with MULTIPOINTs (Paul Norman)
3549, Support PgSQL 9.6 parallel query mode, as far as possible (Paul Ramsey, Regina Obe)
3557, Geometry function costs based on query stats (Paul Norman)
3591, Add support for BRIN indexes. PostgreSQL 9.4+ required. (Giuseppe Broccolo of 2nd Quadrant, Julien Rouhaud and Ronan Dunklau of Dalibo)
3496, Make postgis non-relocateable for extension install, schema qualify calls in functions (Regina Obe) Should resolve once and for all for extensions #3494, #3486, #3076
3547, Update tiger geocoder to support TIGER 2016 and to support both http and ftp.
3613, Segmentize geography using equal length segments (Hugo Mercier of Oslandia)

Performance Enhancements
75, Enhancement to PIP short circuit (Dan Baston)
3383, Avoid deserializing small geometries during index operations (Dan Baston)
3400, Minor optimization of PIP routines (Dan Baston)
Make adding a line to topology interruptible (Sandro Santilli)
Documentation updates from Mike Toews

See the full list of changes in the news file and please report bugs that you find in the release. Binary packages will appear in repositories over the coming weeks as packagers roll out builds.

View all closed tickets for 2.3.0.

PostGIS 3.1.1

The PostGIS Team is pleased to release the release of PostGIS 3.1.1!

This release is a bug fix release, addressing issues found in the previous 3.1 release.

#4814, Crash passing collection with only empty components to ST_MakeValid
#4818, Make the VSICURL synthetic driver work as documented
#4825, Unstable results from ST_MakeValid
#4823, Avoid listing the same geometry in different collections

PostGIS 3.1.0

The PostGIS Team is pleased to release the release of PostGIS 3.1.0!

This version exposes the new features of GEOS 3.9 as well as numerous core performance enhancements for spatial joins, large object access, text format output and more.

Performance is a key feature of this release, with improvements to spatial joins, text outputs, large object reads, vector tile output, and a host of smaller tweaks.

The k-means clustering code has been enhanced to support weighting and higher dimensional clusters.

Geometry generators to create hexagonal and square tilings have been added, for simpler in-the-database summarization queries.

Finally, PostGIS exposes the latest enhancements in the GEOS geometry library 3.9 version. The new overlay engine (aka “OverlayNG”) provides more robust handling of difficult input geometries, using a set of new noding strategies to process geometry. For the end user, this should mean no more “topology exceptions” when using the union, difference, intersection or symmetric difference functions. PostGIS also exposes the new fixed precision overlay capability via an additional grid-size parameter on ST_Intersection and the other overlay functions.

PostGIS 3.1.0rc1

The PostGIS Team is pleased to release the release candidate of the upcoming PostGIS 3.1.0 release. This version is exposes some of the new performance and feature enhancements in GEOS 3.9 as well as numerous speed enhancements not requiring newer GEOS.

Best served with:

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PostGIS 2.3.0 Released

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