pgsql: Move to referential integrity section: > o Allow DEFERRABLE and

Log Message:
-----------
Move to referential integrity section:

> o Allow DEFERRABLE and end-of-statement UNIQUE constraints?
>
> This would allow UPDATE tab SET col = col + 1 to work if col has
> a unique index. Currently, uniqueness checks are done while the
> command is being executed, rather than at the end of the statement
> or transaction.
>
<
< * Allow DEFERRABLE and end-of-statement UNIQUE constraints?
<
< This would allow UPDATE tab SET col = col + 1 to work if col has
< a unique index. Currently, uniqueness checks are done while the
< command is being executed, rather than at the end of the statement
< or transaction.

Modified Files:
--------------
pgsql/doc:
TODO (r1.1961 -> r1.1962)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1961&r2=1.1962)
pgsql/doc/src/FAQ:
TODO.html (r1.463 -> r1.464)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.463&r2=1.464)