Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> writes:
> Here is a patch for implementing the NEXT VALUE FOR expression. This is
> the SQL-standard conforming version of our nextval() function, and it's
> also used by Oracle, MS SQL, DB2. Example:
We discussed this before and concluded that NEXT VALUE FOR is in fact
*not* an exact semantic equivalent of nextval():
https://www.postgresql.org/message-id/14790.1083955136%40sss.pgh.pa.us
I remain of the opinion that using spec-compliant syntax for
non-spec-compliant behavior isn't a great advance.
regards, tom lane