D20316: [MTimeDB] Fix lookup when time range should return empty set

[Stefan Brüns]

bruns created this revision.
bruns added reviewers: Baloo, Frameworks, dfaure, ngraham, poboiko, astippich.
Herald added projects: Frameworks, Baloo.
Herald added a subscriber: kde-frameworks-devel.
bruns requested review of this revision.

REVISION SUMMARY
  MDB_RANGE_SET sets the cursor to the first element greater or equal the
  key value. This element may be later than endTime and thus should not
  be added to the result.
  
  Reorder endTime check and appending the value, so only matching items
  are returned. If the result set is empty, directly return.

TEST PLAN
  ctest

REPOSITORY
  R293 Baloo

REVISION DETAIL
  https://phabricator.kde.org/D20316

AFFECTED FILES
  autotests/unit/engine/mtimedbtest.cpp
  src/engine/mtimedb.cpp
  src/engine/mtimedb.h

To: bruns, #baloo, #frameworks, dfaure, ngraham, poboiko, astippich
Cc: kde-frameworks-devel, gennad, domson, ashaposhnikov, michaelh, astippich, spoorun, ngraham, bruns, abrahams
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