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3 Commits

Author SHA1 Message Date
Oleksandr Byelkin
d1b666b5c6 MDEV-14346: incorrect result of intersect with ANY/ALL/IN subquery 
Reinit internal state of select_unit before using to correctly run it after first time.
 2017-11-13 10:02:59 +01:00
Oleksandr Byelkin
d2bf101cbf MDEV-13723: Server crashes in ha_heap::find_unique_row or Assertion `0' failed in st_select_lex_unit::optimize with INTERSECT 
With INTERSECT/EXCEPT fact that subquery item of IN/ALL/ANY was not assigned value does not mean that temporary table used for calculating unit is empty (records could be deleted).
 2017-11-13 09:41:29 +01:00
Oleksandr Byelkin
05d3c3d3f7 MDEV-10141: Add support for INTERSECT (and common parts for EXCEPT) 
MDEV-10140: Add support for EXCEPT
 2017-03-14 11:52:00 +01:00