Log Message:-----------Implement prefix_range send and recv functions
Modified Files:-------------- prefix: prefix.c (r1.38 -> r1.39) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.c.diff?r1=1.38&r2=1.39) prefix.sql.in (r1.17 -> r1.18) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.sql.in.diff?r1=1.17&r2=1.18)