Log Message:
-----------
Update, add mention of user locking table before MERGE:
< so duplicate checking can be easily performed.
> so duplicate checking can be easily performed. It is possible to
> do it without a unique index if we require the user to LOCK the table
> before the MERGE.
Modified Files:
--------------
pgsql/doc:
TODO (r1.1698 -> r1.1699)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1698&r2=1.1699)
pgsql/doc/src/FAQ:
TODO.html (r1.205 -> r1.206)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.205&r2=1.206)
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