* allow to access last operation tick of the transaction
* modify IResearchLink to rely on last commtted tick
* get rid of writing arangosearch markers to WAL
* further implementation
* local changes in iresearch
* add recovery states
* properly handle link creation during recovery
* adjust test cases
* properly handle nested transactions
* ungreylist recovery tests
* add more recovery tests
* do not use transaction to pass recovery tick
* do not store recoveryTick in MMFilesRecoveryState
* adjust tests
* fix mmfiles
* cleanup
* add context validity check
* fix tests
* fix more tests
* ensure subscription is not being released during commit
* address review comment
* final cleanup
* fix crash
* fix tests
* address test failures
* address review comments
* address review comments
* properly set recovery tick even if no recovery happened
* issue 466.4: implement persistence of IResearchLink WAL flush marker
* address enterprise test failure
* address test failures
* treat missing collections/indexes as potentially removed
* change view asertios to match collection assertions
* convert assertions to exceptions since they are possible
* revert assertion removal since assertions are actually valid for coordinator
* address scenario where link is dropped twice
* check for data store state before returning error
* revert last change since it's not valid for MMFiles
* issue 400.2.4: register IResearchView sync tasks with IResearchFeature, remove unused configuration parameter
* set flag before notify, fix failures in new tests from 'devel'
* revert set flag before notify, fix more failures in new tests from 'devel'
* fix even more failures in new tests from 'devel', backport: do not reset notification flag if pending tasks were seen
* fix still more failures in new tests from 'devel'
* try to work around buggy test failures
* extend filter checking
* extend IResearchViewNode tests
* distinguish scorer and filter arangosearch functions
* initial implementation
* add some tests for the recently added aql functions
* more tests
* force phrase function to use context-wise analyzer
* more tests
* ensure exists function uses analyzer from context
* fix query execution tests
* allow to override context analyzer in phrase function
* modify EXISTS signature to accept optional analyzer, fix tests
* more tests
* even moar tests
* more tests
* update documentation
* add testing scorer
* fixes after review
* attempt to fix msvc compilation issues
* add extra check
* add another check
Andrey Abramov
Vasiliy
Frank Celler
Dan Larkin-York
jsteemann
Jan
Andrey Abramov