Thread: prefix - prefix: Implementation of operators & (intersection) and &&

Log Message:
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Implementation of operators & (intersection) and && (overlaps)

Modified Files:
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    prefix:
        prefix.c (r1.22 -> r1.23)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.c.diff?r1=1.22&r2=1.23)
        prefix.sql.in (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.sql.in.diff?r1=1.11&r2=1.12)