Update contrib intarray to Jan 25 version.

Author: bmomjian

contrib/intarray/Makefile

@@ -1,5 +1,3 @@
-# $Header: /cvsroot/pgsql/contrib/intarray/Makefile,v 1.3 2001/02/20 19:20:27 petere Exp $
-
 subdir = contrib/intarray
 top_builddir = ../..
 include $(top_builddir)/src/Makefile.global
@@ -12,7 +10,7 @@ NAME= _int
 SO_MAJOR_VERSION= 1
 SO_MINOR_VERSION= 0
 
-override CPPFLAGS := -I$(srcdir) $(CPPFLAGS) -DPGSQL71
+override CPPFLAGS += -I$(srcdir) -DPGSQL71
 
 OBJS= _int.o
 
@@ -23,31 +21,46 @@ include $(top_srcdir)/src/Makefile.shlib
 
 
 $(NAME).sql: $(NAME).sql.in
-	sed 's,MODULE_PATHNAME,$(libdir)/$(shlib),g' $< >$@
+	sed -e 's:MODULE_PATHNAME:$(libdir)/$(shlib):g' < $< > $@
 
 .PHONY: submake
 submake:
 	$(MAKE) -C $(top_builddir)/src/test/regress pg_regress
 
+# against installed postmaster
 installcheck: submake
 	$(top_builddir)/src/test/regress/pg_regress _int
 
+# in-tree test doesn't work yet (no way to install my shared library)
+#check: all submake
+#	$(top_builddir)/src/test/regress/pg_regress --temp-install \
+#	  --top-builddir=$(top_builddir) _int
 check:
-	@echo "'$(MAKE) check' is not supported."
-	@echo "Do '$(MAKE) install', then '$(MAKE) installcheck' instead."
+	@echo "'make check' is not supported."
+	@echo "Do 'make install', then 'make installcheck' instead."
 
 install: all installdirs install-lib
-	$(INSTALL_DATA) $(srcdir)/README.intarray $(docdir)/contrib
+	#$(INSTALL_DATA) $(srcdir)/README.$(NAME)  $(docdir)/contrib
 	$(INSTALL_DATA) $(NAME).sql $(datadir)/contrib
 
 installdirs:
 	$(mkinstalldirs) $(docdir)/contrib $(datadir)/contrib $(libdir)
 
 uninstall: uninstall-lib
-	rm -f $(docdir)/contrib/README.intarray $(datadir)/contrib/$(NAME).sql
+	rm -f $(docdir)/contrib/README.$(NAME) $(datadir)/contrib/$(NAME).sql
 
 clean distclean maintainer-clean: clean-lib
-	rm -f $(OBJS) $(NAME).sql
+	rm -f *.so y.tab.c y.tab.h $(OBJS) $(NAME).sql
 # things created by various check targets
-	rm -rf results
-	rm -f regression.diffs regression.out
+	rm -rf results tmp_check log
+	rm -f regression.diffs regression.out regress.out run_check.out
+ifeq ($(PORTNAME), win)
+	rm -f regress.def
+endif
+
+depend dep:
+	$(CC) -MM $(CFLAGS) *.c >depend
+
+ifeq (depend,$(wildcard depend))
+include depend
+endif

contrib/intarray/README.intarray

@@ -1,7 +1,11 @@
 This is an implementation of RD-tree data structure using GiST interface
 of PostgreSQL. It has built-in lossy compression - must be declared
-in index creation - with (islossy). Current implementation has index support 
-for one-dimensional array of int4's.
+in index creation - with (islossy). Current implementation provides index 
+support for one-dimensional array of int4's - gist__int_ops, suitable for
+small and medium size of arrays (used on default), and gist__intbig_ops for 
+indexing large arrays (we use superimposed signature with length of 4096 
+bits to represent sets). 
+
 All work was done by Teodor Sigaev (teodor@stack.net) and Oleg Bartunov
 (oleg@sai.msu.su). See http://www.sai.msu.su/~megera/postgres/gist
 for additional information.
@@ -25,7 +29,7 @@ EXAMPLE USAGE:
   -- create indices
 CREATE unique index message_key on message ( mid );
 CREATE unique index message_section_map_key2 on message_section_map (sid, mid );
-CREATE INDEX message_rdtree_idx on message using gist ( sections ) with ( islossy );
+CREATE INDEX message_rdtree_idx on message using gist ( sections gist__int_ops) with ( islossy );
 
   -- select some messages with section in 1 OR 2 - OVERLAP operator
   select message.mid from message where message.sections && '{1,2}';