Add BRIN support for spoint and sbox

COPYRIGHT.pg_sphere

@@ -1,4 +1,4 @@
-Copyright (c) 2003-2017, pgSphere development team
+Copyright (c) 2003-2018, pgSphere development team
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

Makefile

@@ -1,22 +1,39 @@
 
-PGSPHERE_VERSION = 1.1.5
+PGSPHERE_VERSION = 1.1.6
 
 # the base dir name may be changed depending on git clone command
 SRC_DIR = $(shell basename $(shell pwd))
 
 MODULE_big = pg_sphere
+
+ifndef PG_CONFIG
+  PG_CONFIG := pg_config
+endif
+
+PG_FULL_VERSION := $(shell $(PG_CONFIG) --version)
+PG_MAJOR_VERSION := $(shell echo $(PG_FULL_VERSION) | cut -d' ' -f2 | cut -d. -f1)
+PG_MINOR_VERSION := $(shell echo $(PG_FULL_VERSION) | cut -d' ' -f2 | cut -d. -f2)
+BRIN_CHECK := $(shell [ $(PG_MAJOR_VERSION)$(PG_MINOR_VERSION) -gt 94 ] && echo 1 || echo 0 )
+ifeq ($(BRIN_CHECK), 1)
+  BRIN_OBJ := brin.o
+  BRIN_SQL := pgs_brin.sql
+  BRIN_REGRESS := spoint_brin
+endif
+
 OBJS       = sscan.o sparse.o sbuffer.o vector3d.o point.o \
              euler.o circle.o line.o ellipse.o polygon.o \
              path.o box.o output.o gq_cache.o gist.o key.o \
+             $(BRIN_OBJ) \
              gnomo.o
 
 EXTENSION   = pg_sphere
-DATA_built  = pg_sphere--1.0.sql
+DATA_built  = pg_sphere--1.1.sql
 DOCS        = README.pg_sphere COPYRIGHT.pg_sphere
 REGRESS     = init tables points euler circle line ellipse poly path box index \
-              contains_ops contains_ops_compat bounding_box_gist gnomo
+              contains_ops contains_ops_compat bounding_box_gist gnomo \
+              $(BRIN_REGRESS)
 
-EXTRA_CLEAN = pg_sphere--1.0.sql $(PGS_SQL) 
+EXTRA_CLEAN = pg_sphere--1.1.sql $(PGS_SQL)
 
 CRUSH_TESTS  = init_extended circle_extended 
 
@@ -25,11 +42,9 @@ PGS_SQL    =  pgs_types.sql pgs_point.sql pgs_euler.sql pgs_circle.sql \
    pgs_line.sql pgs_ellipse.sql pgs_polygon.sql pgs_path.sql \
    pgs_box.sql pgs_contains_ops.sql pgs_contains_ops_compat.sql \
    pgs_gist.sql gnomo.sql \
+   $(BRIN_SQL)
 
 ifdef USE_PGXS
-  ifndef PG_CONFIG
-    PG_CONFIG := pg_config
-  endif
   PGXS := $(shell $(PG_CONFIG) --pgxs)
   include $(PGXS)
 else
@@ -43,7 +58,7 @@ endif
 crushtest: REGRESS += $(CRUSH_TESTS)
 crushtest: installcheck
 
-pg_sphere--1.0.sql: $(addsuffix .in, $(PGS_SQL))
+pg_sphere--1.1.sql: $(addsuffix .in, $(PGS_SQL))
 	cat $^ > $@
 
 sscan.o : sparse.c

README.pg_sphere

@@ -1,10 +1,12 @@
 This is an R-Tree implementation using GiST for spherical objects
 like spherical points and spherical circles with 
-useful functions and operators.
-
+useful functions and operators. It also support the Block Range
+INdexing (BRIN), recently included in PostgreSQL for large
+datasets.
 
 NOTICE:
      This version will work only with postgresql version 9.1 and above.
+     BRIN support work only with postgresql version 9.4 and above.
 
 INSTALLATION:
 
@@ -24,6 +26,14 @@ LONG REGRESSION TEST:
 
 The 'make' program must be compatible with GNU make.
 
+UPGRADES:
+
+In case of upgrades from pre-9.5 versions, please run the following command in
+case you are interested to activate BRIN support (adjust psql connection
+parameters to your needs):
+
+  bash utils/upgrade_from_pre95.sh | psql -U postgres -h localhost -p 5432 <dbname> 2> errors.log
+
 For more information, have a look at http://pgsphere.projects.postgresql.org
 and https://github.com/akorotkov/pgsphere