pgestraier - pgestraier: added pgest_trigger function which allows

Log Message:
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added pgest_trigger function which allows updateable indexes

Modified Files:
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pgestraier:
pgest.sql (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.sql.diff?r1=1.9&r2=1.10)
pgest.c (r1.26 -> r1.27)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgestraier/pgestraier/pgest.c.diff?r1=1.26&r2=1.27)