Folks,
You can propose this syntax additon on the pgsql-sql list, which exists
to discuss these kinds of issues. However, I will warn you that the
core developers have already rejected the REPLACE syntax once as an
unnecessary deviation from the SQL92 standard.
There was a long discussion following that rejection, sometime last
summer I think, about how one could use triggers or rules to ape this
functionality on an INSERT statement. See the pgsql-sql list
archives.
You can, of course, also write the ANSI committee and propose that
REPLACE be added to SQL3. Good luck.
-Josh Berkus
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