D20329: [DocumentIdDB] Silence non-error debug message, warn on errors

[Stefan Brüns]

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

REVISION SUMMARY
  MDB_NOTFOUND is not an error, remove the message. In case any other
  error occurs, actually print a warning.
  
  While at it, reserve enough space in the returned vector.

REPOSITORY
  R293 Baloo

BRANCH
  kio_search

REVISION DETAIL
  https://phabricator.kde.org/D20329

AFFECTED FILES
  src/engine/documentiddb.cpp

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