[HACKERS] WIP patch for basic window frame support

Tue, 30 Dec 2008 12:50:28 -0800 

No docs or regression tests yet, but it seems to work ... please check
against Oracle and DB2 behavior.  Supported cases are

        RANGE UNBOUNDED PRECEDING       -- same as AND CURRENT ROW
        RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
        RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
        ROWS UNBOUNDED PRECEDING        -- same as AND CURRENT ROW
        ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
        ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING

                        regards, tom lane

Attachment: bin8vyUFsNTAU.bin
Description: window-frames-1.patch.gz

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