* issue 511.9.1: track DataSource instance instead of only its name in QueryCache
* address use of invalid function
* fix expected test result
* address merge issue
* issue 511.6: update iresearch to 6e870904eae5eaf891359ed06e7332666c02cb19
* backport: add back required MSVC command replacement
* try to address MSVC link issues
* backport: move post-build step into a separate custom target
* another attempt to address cmake build issues
* issue 511.5: remove cid from IResearchPrimaryKey since iresearch data-stores are per-collction, minr code cleanup
* get rid of CID field in a document
* make ArangoSearch PK encoding/decoding logic explicit
* issue 511.4: ensure IResearchLink can be initialized without view as required for db-server, minor code fixes and cleanup
* remove unnessesary checks
* revert last change due to test failures
* fix typo in change revert
* try to address random test failures
* issue 506.3: use camel-case configuration parameter names consistntly, add a configuration version property to iresearch view meta
* backport: ensure meta version is supported
* backport: hide 'version' property from non-persistence json
* issue 506.2: add optimization to not reexecute a primary-key filter if a match was already found
* backport: explicitly check type of instance of the primary-key filter
* backport: return non-null prepared filter and convert check to assert
* refactor arangosearch pks
* minor refactoring
* store PK as BigEndian since it leads to more compact index representation
* force iresearch to not to use libbfd
* fix tests
* issue 496.3: move more coordinator-related logic out of TRI_vocbase_t, rename some arangosearch view configuration parameters, remove some consolidation policies, update iresearch to revision 6fd9760d81b136f769e277ea5b8f53996ed7a1ca
* address potential deadlock between link creation and FlushThread
* remove code causing nullptr access
* add back lock around reader reopen
* revert: address potential deadlock between link creation and FlushThread
* invalidate payload for each field in FieldIterator before setting a value
* issue 496.1: switch scope of responsibility between a TRI_vocbase_t and a LogicalView in respect to view creation/deletion
* backport: address test failures
* backport: ensure arangosearch links get exported in the dump
* backport: ensure view is created during restore on the coordinator
* Updates for ArangoSearch DDL tests, IResearchView unregistration and known issues
* Add fix for internal issue 483
* issue 485: ensure LogicalDataSource::drop() is called on vocbase drop
* add missed change
* backport: address race between make(...) and async job
* add another missed change
* backport: ensure recursive lock reports itself as locked correctly
* backport: address test failure on mmfiles
* backport: remove redundant lock already held by async task
* backport: reset reader before unlinking directory
* update iresearch to codebase as of 20181011
* backport: address cluster test failures
* backport: address dump test failures
* backport: address discrepency in view creation between single-server and cluster
* backport: address test failure on cluster (revert change)
* backport: address test failures
* backport: address MSVC build issues
* backport: address issue with LogicalDatasource destructing after TRI_vocbase_t
* Revert "backport: address issue with LogicalDatasource destructing after TRI_vocbase_t"
This reverts commit 4f9880bbaa22194dfbb604b5a54658de1d447ac1.
* ensure no concurrent links midifications
* another attempt to fix
* reduce scope of the lock
* Revert "reduce scope of the lock"
This reverts commit 2eed8eb75c372c1723bcd46b05018843edcc51e0.
* avoid query cache double invalidation
* do not invalidate cache twice
* can't use CAS on directory_reader for the time being, protect with mutex instead
* do not lock properties during index consolidation
* reduce scope of _callbacksLock in FlushFeature
* prevent concurrent reader reopen
* get rid of memory stores
* do not use 'waitForSync' transaction option to synchronize a view
* honor `Methods::isSingleOperationTransaction()` hint
* explicitly specify index_writer's properties
* ensure data is synced
* fix tests
* another fix
* code cleanup
* remove code duplication
* some fixes
* fix typo
* issue 459.3: ensure collection permissions are checked before updating/dropping an IResearch view
* backport: ensure collection permissions are checked before updating/dropping an IResearch view on cluster
* backport: address test failures
* backport: address more test failures
* reuse existing classes for scoping ExecContext
* issue 450.3: use a single configuration policy differentiated by 'type' with arbitrary number of configurable parameters
* ensure test data is persisted to the test directory
* add missed declaration
* fix typo
* add full namespace and includes