cayley changelog

Changelog History

Page 2

• v0.6.0 Changes

  October 07, 2016

  🚀 Current release marks community build number two, introducing major change to data layout and bringing new features to Gremlin.

  Storage format changed slightly. We highly recommend to do a clean import of the database with a new binary.

  Cayley now honors types of nquad values. IRIs (<name>) were converted to untyped strings (name), so it was possible for nodes with different types to be loaded as a single node. Now Cayley preserves type information, making these nodes separate. Queries that used IRIs without <> quotes will break because of this change. Gremlin now requires IRI it to be in "<follows>" form and the path lib expect these values to be of quad.IRI Go type. The same stands for Strings (aka RDF literals) and BNodes (aka blank nodes, _:name).

  Data loader now recognizes few basic typed literals like "10"^^<http://schema.org/Integer> and converts them into corresponding native type (Int for this example). It may also affect existing queries. Gremlin will automatically convert basic types into corresponding RDF typed literals.

  Highlights:

  • 👍 Typed values support for all backends. Includes types: String, IRI, BNode, Int, Float, Bool, Time.
  • 🆕 New traversals in path lib and Gremlin: HasReverse, Skip, Limit, Count, Unique, Comparison/Filter, Regex.
  • ✅ More consistent backends behavior thanks to unified tests.
  • ⚡️ Updated docs and added examples.
  • ⚡️ Updated Docker image, and added example for it.
  • 🛠 Many, many bugfixes and some optimizations.

  Full changelog:

  gabrys: Fix link to GremlinAPI.md (#477)
  dennwc: expose Unique via path lib and gremlin; implement and expose Count iterator; resolve #240
  dennwc: gremlin: add regex support, make it harder to abuse regexps; add docs explaining why
  guycook: Implement regex filter as iterator (#474)
  dennwc: bolt,leveldb: fix AllQuads iterator not skipping deleted quads, add test
  dennwc: iterator: add variadic arguments to Add, Or and Fixed constructors
  dennwc: query: Refactor interfaces (#471)
  dennwc: fix lru panic
  wayeast: Clone receiver paths (#466)
  kenshaw: appengine: updating dependency paths and adding documentation (#464)
  dennwc: gremlin: handle string slice in via parameter
  kenshaw: appengine: add build constraint (#463)
  dennwc: Glide migration (#460)
  dwhitena: user/pass functionality for mongo backend
  allanino: Fix Docker building (#456)
  barakmich: gremlin: don't require a session to last as long as the timeout
  kris-runzer: graph: fix Is*(err error) checkers to properly compare against *DeltaError, add tests
  dennwc: optimize by default in Iterate helper
  dennwc: gremlin: clone path objects
  neonstalwart: simplify the signature of NextLogOut (manual merge of #264)
  dennwc: graph: add iteration helpers, update examples; resolves #446
  dennwc: http: fix json quads decoding
  dennwc: gremlin: fix ToArray without arguments
  dennwc: iterator: promote Next to main interface; make NoNext an optional interface
  oren: Example of BoltDB, update examples/README.md
  robertmeta: Just better quickstart + examples creation
  dennwc: query: check type assertions, recover properly in gremlin; fixes #450
  josephschorr: Add Clone() to Path for easier reuse of Path segments (#444)
  dennwc: Wire Skip and Limit to Gremlin. Also fixed #254.
  dennwc: postgres: store hashes as binary data instead of hex strings
  dennwc: postgres: prepare each statement in ApplyDeltas
  dennwc: postgres: generate distinct node insert statements only
  dennwc: cquads: convert TypedString values to native types automatically on loading
  dennwc: gremlin: allow to specify multiple conditions in Filter
  dennwc: mongo: optimize comparison iterator
  dennwc: Test for typed value comparison and optimization
  dennwc: gremlin: expose value comparison iterator via path lib, add tests
  dennwc: gremlin: support for typed values
  dennwc: gremlin: replace JS-based graph object with reflect-based (rewritten, now it's easier extend)
  dennwc: comparison: compare only values with the same type, add a test for mixed set
  dennwc: mongo: use native value types where possible, fix indexing, remove recursion in LinksTo, remove unnecessary roundtrip
  dennwc: postgres: new table structure, store typed values natively; fix iterators; separate LRU cache
  dennwc: Update value comparison iterator. Stop graph.Value madness.
  dennwc: cquads: recognize TypedString and LangString in parser
  dennwc: Add a test for Raw-to-typed values exchange. Fix memstore not using hashes in map.
  dennwc: GAE (untyped). More tests. Fixed handling of size and conflicts in postgres.
  dennwc: quad: add support for few basic types (int, float, bool, time)
  dennwc: Unify tests for QuadStore. Run Mongo/Postgres in Docker automatically.
  dennwc: leveldb: use protobuf instead of json, migration code
  dennwc: bolt: migration code
  dennwc: add typed fields to protobufs
  dennwc: graph,query,exporter,path: updated to use typed values
  dennwc: quad: directions are typed
  kortschak: graph: provide more meaningful errors for bad actions (#443)
  josephschorr: Don't iterate over all quads unless necessary (#440)
  kortschak: clog: fix comment typos and add package comment (#442)
  dennwc: Implement Skip and Limit iterators (#369)
  EntilZha: Delete node API (#158)
  dennwc: Updated Dockerfile (fixed #357)
  dennwc: fix Unique iterator for non-comparable tokens; fixes #437
  kortschak: clog: make nil Logger safe (#436)
  robertmeta: Sweep through docs update/cleanup
  oren: remove duplicate in readme (#435)
  dennwc: fix postgres error on import, fixes #429
  dennwc: Added HasReverse function to path lib (#351)
  drzippie: Added sync.RWMutex to mongo cache (#380)
  robertmeta: Update docs (README, Locations, Quickstart-As-Lib, Quickstart-As-Application, HACKING, FAQ, Container)
  robertmeta Rerouting CONTRIBUTING to the discourse, updating CONTRIBUTORS to remove mention of CLA
  robertmeta: Moving Hacking from wiki to project
  dennwc: separate log package, resolves #221
  

• v0.5.0 Changes

  July 03, 2016

  🏗 We've spun out of the google namespace, so this is community build number one. There's some good chatter in IRC and places, and expect some notes in the mailing list soon. The project isn't dead, it was just resting.

  🚀 Now that we can add contributors, it's time to tag and build a release as a baseline. There may be some turbulence as some longstanding changes get merged over the next version or two, so before we do that, here are some binaries for people to try out the latest.

  Highlights:

  • 👍 Postgres/SQL backend support
  • ➕ Add support for LabelContext() to query the Label field across Quads
  • 💾 SaveOptional()
  • 🛠 Many, many bugfixes

  Full changelog:

  barakmich: Add SaveOptional() to save predicates if they exist, and add the
  dennwc: path: Added SaveOptional
  dennwc: Fix interface conversion in Gremlin
  barakmich: fix build on 1.6 -- more accurate interface conversion
  josephschorr: Make call to `Sprintf` lazy
  barakmich: query/gremlin, graph/path: Add support for querying with labels
  Quentin-M: Fix NPE in SQL initialization
  jzelinskie: dockerfile: fix go install command
  jzelinskie: initial Dockerfile
  barakmich: graph: make quadstore init functions idempotent
  barakmich: Update README to mention Postgres and remove unused trello board
  jzelinskie: add Triple function
  Quentin-M: Fix SLOW DELETEs
  Quentin-M: Fix a deadlock behavior with DELETE transactions
  Quentin-M: Ensure that quads in a transaction are applied in the desired order.
  Quentin-M: Use a Size() estimate for SQL Quadstore when noSizes is enabled.
  barakmich: sql: Combine AND(Fixed, SQL) and fix Save() roundtrips
  barakmich: graph/sql: Use an IN clause when optimizing a fixed iterator
  barakmich: query/gremlin: fix building Or iterator, add test
  barakmich: query/gremlin: Refactor in terms of graph/path
  Quentin-M: Fix NPE in SQL Quadstore
  Quentin-M: Improve Transaction: deduplicate quads, allow adding/removing a quad in the same tx
  barakmich: Fix corners after causing a couple merges
  ds--: Adds exporting capabilities
  barakmich: Add migration tool and use protos in Bolt store
  barakmich: graph: Postgres backend
  sayden: Typo fix when building cayley from scratch
  sayden: Order of parameters when using :a and :d are switched
  Kavec: Refactor for readability
  kortschak: graph/bolt: don't panic on unitialised store
  barakmich: Fixes memstore transaction semantics
  Quentin-M: Make the SQL connection fail-fast
  Quentin-M: Fix NPEs in SQL Next and Contains
  barakmich: Roll the Go version forward on Travis builds (new stable)
  barakmich: Add check for multiple all iterators
  kortschak: internal: move {config,db,http} into internal
  skynet: Update README.md
  neonstalwart: add string comparison to value comparison iterator
  tmlbl: Small REPL Improvements
  igm: Fixed multiplier for position of "label" in case of "po" key entry
  cayleydb: Update README.md
  barakmich: Docs update based on @KamiQuasi #280
  lytics: Use new import path for go-uuid
  jzelinskie: travis.yml: bump appengine dependency
  barakmich: Add transaction (a list of deltas) as a primitive for applying sets o…
  nii236: Widened visualisation box to 100%
  panamafrancis: Added myself to the A+C
  barakmich: Add Save and Has API functions
  Quentin-M: Allow opening a database (bolt, leveldb, mongo) through Go API
  barakmich: Clean up Linkage definition
  allonhadaya: In out predicates
  barakmich: Fix bug where first Bolt iteration ignores deletion
  barakmich: Fix describe in Or iterator
  neonstalwart: collapse 2 iterations into 1 in memstore
  op: Fix nil pointer panic when meta bucket is missing
  barakmich: Fix LevelDB deleted-triple iterator stack overflow bug
  neonstalwart: move cmp to where it's used
  kortschak: graph: remove redundant type
  barakmich: Go API
  heyalexej: update leveldb link and fix some https links in README
  andrew-d: Refactor packages
  andrew-d: Fix TravisCI tests
  andrew-d: Remove deprecated ResultTree API
  Dabaez: Update README.md
  barakmich: Implement the Unique iterator
  

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