Vicențiu Ciorbaru 5bf338435a MDEV-11746: Wrong result upon using FIRST_VALUE with a window frame ...

The same approach is needed for LAST_VALUE, otherwise the LAST_VALUE sum
functions are not cleared correctly. Now LAST_VALUE behaves as NTH_VALUE
with 0 offset, only that the frame that it is examining is the bottom bound,
not the top bound.

2017-02-14 07:46:58 +02:00

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