def connectNodes(level_id, idnA, idnB, parent_id, parentlevel_id, type_id, attributes):
"""Create edge in db.
Uses Edge class for the edge creation and coding for the edge type
attributes store.
TODO store any attributes len.
@param level id
@param node A id
@param node B id
@param parent id
@param parentlevel id
@param type id
@param attributes tuple of edge attributes
"""
E = class_edge.edge(level_id, idnA, idnB, parent_id, parentlevel_id, type_id)
edge_id = E.store(db)
tag_level = genet_global.tagName(level_id)
tag_type = genet_global.tagName(type_id)
st = ("INSERT INTO gn_" + tag_level + "_edges_type_" + tag_type +
" VALUES(" + str(edge_id) + ", '" + attributes[0] + "');")
db.query(st)
##
# Insert data.
#
N001 = class_node.node(1, 0, 0, 2)
print N001.store(db)
N002 = class_node.node(1, 0, 0, 2)
print N002.store(db)
N003 = class_node.node(1, 0, 0, 2)
print N003.store(db)
N003.idtype = 4
print N003.store(db)
E001 = class_edge.edge(1, N001.id, N002.id, 0, 0, 3)
print E001.store(db)
E002 = class_edge.edge(1, N002.id, N003.id, 0, 0, 3)
print E002.store(db)
E003 = class_edge.edge(1, N003.id, N001.id, 0, 0, 3)
print E003.store(db)
E004 = class_edge.edge(1, N001.id, N002.id, 0, 0, 3)
print E004.store(db)
for r in db.query("SELECT * FROM gn_01_nodes").dictresult():
print 'id %(id)s, idtype %(idtype)s' % r
for r in db.query("SELECT * FROM gn_01_edges").dictresult():