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3 Commits

Author SHA1 Message Date
Vicențiu Ciorbaru
1c6b982e02 MDEV-12779 Oracle/DB2 Compatibility Implicit Ordering for ROW_NUMBER OVER
Users expect window functions to produce a certain ordering of rows in
the final result set. Although the standard does not require this, we
already have the filesort result done for when we computed the window
function. If there is no ORDER BY attached to the query, just keep it
till the SELECT is completely evaluated and use that to print the
result.

Update test cases as many did not take care to guarantee a stable
result.
2018-11-01 21:15:55 +02:00
Vicențiu Ciorbaru
09a8c795fb Fix win_std nondeterministic results 2016-09-24 15:12:34 +02:00
Vicențiu Ciorbaru
e413c6e9e7 Add test case for STD function used as window function
The test case also checks correct functionality of Frame_scan_cursor, as
currently STD does not implement the remove() call.
2016-09-24 15:12:34 +02:00