* Drop write group from remote document change buffer
* Unwind some group dependendencies in local store
* Write group dropped from local store
* Drop write group from mutation queue tests
* Drop write group usage from query cache tests
* Drop write groups from remote document cache tests
* Drop write groups from remote document change buffer tests
* Drop write groups and the write group tracker
* Style
* Put the action in transaction
* Merge master, fix test
* Fix some compiler warnings but mostly trigger travis
* Responses to feedback
* Start work on leveldb transactions
* Style
* Working API. Not plumbed in yet
* Move files into correct place
* Wrangling file locations and associations
* Tests pass
* Add some comments
* style
* Fix copyright
* Rewrite iterator internals to handle deletion-while-iterating. Also add tests for same
* Switch to strings instead of slices
* Style
* More style fixes
* Start switching writegroup over
* Swap out write group tracking for transaction usage
* Style
* Response to feedback before updating docs
* Style
* Add comment
* Initialize version_
* Satisfy the linter
* Start switching writegroup over
* Swap out write group tracking for transaction usage
* Style
* Checkpoint before implementing BatchDescription
* Style
* Initial plumbing for leveldb local parts
* Add model::BatchId
* Port leveldb_key.{h,cc}
* Add string StartsWith
* Add leveldb_key_test.cc to the project
* Revert back to using leveldb::Slice for read/describe
These operations universally operate on keys obtained from leveldb so
it's actually unhelpful to force all the callers to make
absl::string_views from them.
* Everything passing
* Drop unused function
* Style
* STart work on reads
* Swap reads in queryCache to use transactions
* Fix up tests of querycache
* Drop commented out code
* Cleanup
* Style
* Fix up for passing tests
* style
* Renaming
* Style
* Start work on ToString for transactions
* Add ToString() method to LevelDbTransaction
* Style
* lint
* Fix includes, drop runTransaction
* current_transaction -> currentTransaction
* LevelDbTransaction::NewIterator now returns a unique_ptr
* Style
* Revert addition of util::StartsWith
* Add log line
* Style
* Add log line
* Style
* Add debug log line for commits, drop unused BatchDescription
* STart work on reads
* Swap reads in queryCache to use transactions
* Start on remote documents
* Transition mutation queue and remote documents to use transactions
* Style
* Make everything pass
* Make everything pass
* Make it compile
* Style
* Style
* Revert name change, use DefaultReadOptions()
* Style
* Example of running a transaction with a lambda
* Drop errant typo
* Drop duplicate method declarations
* replace usage of auto w/ decltype
* Drop an unnecessary _Nullable. Add some nullability warning suppression
* use absl::make_unique, handle void return type
* Style
* Wrap backing persistence and expectation of backing persistence for transaction runner into a method
* More comments, trigger CI
* Move all Firestore files to Objective-C++
* Update project file references
* Don't use module imports from Objective-C++
* Use extern "C" for C-accessible globals
* Work around more stringent type checking in Objective-C++
* NSMutableDictionary ivars aren't implicitly casted to NSDictionary
* FSTMaybeDocument callback can't be passed a function that accepts
FSTDocument
* NSComparisonResult can't be multiplied by -1 without casting
* Add a #include <inttypes.h> where needed
* Avoid using C++ keywords as variables
* Remove #if __cplusplus guards
Greg Soltis