merge changes

Author: JoshInnis

Makefile

@@ -19,6 +19,7 @@ MODULE_big = postgraph
 
 OBJS = src/backend/postgraph.o \
        src/backend/access/vertex_heap/vertex_heapam_handler.o \
+       src/backend/access/vertex_heap/vertex_hash_search.o \
        src/backend/catalog/ag_catalog.o \
        src/backend/catalog/ag_graph.o \
        src/backend/catalog/ag_label.o \

regress/sql/vertex_am.sql

@@ -19,9 +19,9 @@
 LOAD 'postgraph';
 
 
-
 CREATE TABLE vertex_am_tst (id postgraph.graphid not null, props postgraph.gtype not null) USING vertex_adjlist;
 
+
 INSERT INTO vertex_am_tst (id, props)
 VALUES ('1'::postgraph.graphid, postgraph.gtype_build_map('id', 1));
 
@@ -41,4 +41,8 @@ UPDATE vertex_am_tst SET id = '2'::postgraph.graphid;
 INSERT INTO vertex_am_tst (id, props)
 VALUES ('4'::postgraph.graphid, postgraph.gtype_build_map('id', 1));
 
+
+INSERT INTO vertex_am_tst (id, props)
+VALUES ('5'::postgraph.graphid, NULL);
+
 SELECT * FROM vertex_am_tst;