1.0.4

Documentation

• Javadoc 1.0.4
• Scaladoc 1.0.4

Changelog

• Downgrade to TinkerPop 3.4.3 to avoid Cosmos DB authentication issues (#327)
  • https://groups.google.com/forum/#!topic/gremlin-users/A9rr9jLh5AY

TCK

• Report 1.0.4
• Passing: 879
• Failing: 79
• Coverage: 91.75%

1.0.3

Documentation

• Javadoc 1.0.3
• Scaladoc 1.0.3

Changelog

• Upgrade to TinkerPop 3.4.4 (#285)
• Make translator in Gremlin Server plugin configurable (#300)
• Make CypherOpProcessor (Cypher for Gremlin plugin) handle scriptEvaluationTimeout (#316)
• Make Gremlin Timeout (Cypher for Gremlin client) configurable (#318)
• Bugfixes:
  • Workaround for CREATE without RETURN in Cosmos DB (#319)
• Test Improvements:
  • Gremlin Server Plugin with TCK Predefined procedures (#299)
  • TCK Reporting and Regression tools migrated to openCypher (#321)

TCK

• Report 1.0.3
• Passing: 879
• Failing: 79
• Coverage: 91.75%

1.0.2

Documentation

• Javadoc 1.0.2
• Scaladoc 1.0.2

Changelog

• Upgrade to TinkerPop 3.4.2 (#285)
• Bugfixes:
  • Fix console plugin returning multiple records (#284)
  • Fix subtraversals lose aliases on server translation (#286)
  • Fix dedup filtering out valid elements (#288)

TCK

• Report 1.0.2
• Passing: 879
• Failing: 79
• Coverage: 91.75%

1.0.1

Documentation

• Javadoc 1.0.1
• Scaladoc 1.0.1

Changelog

• Upgrade to Scala 2.12
• String replace function (#256)
• String regex match (#272)
• Add support for SET params with array (#267)
• Translation improvements:
  • Better translation for variable length paths (#276)
  • Native translation of copyProperties (#281)
• Bugfixes:
  • Fix failed case expression (#269)
  • Use hasNot only when testing elements (#275)
  • Empty properties in WITH clause (#280)
• Upgrade openCypher TCK to M13 (#252)
• Readme improvements (#249, #251, #260, #261, #262, #263, #265, #266, #274)
• Cucumber report improvements (#257, #252)

TCK

• Report 1.0.1
• Passing: 878
• Failing: 80
• Coverage: 91.65%

1.0.0

Documentation

• Javadoc 1.0.0
• Scaladoc 1.0.0

Highlights

• Upgrade to TinkerPop 3.4.0 (#247)
• Cypher-Gremlin interoperation using cypher Gremlin Step and gremlin Cypher Function (#240, #246)
• Release Docker images (#212)
• Verify translation on Neptune, Cosmos DB, JanusGraph and TinkerGraph
• Improved coverage of openCypher TCK M10:
  • With extensions: 815/886 92%
  • Without extensions: 669/886 76%
• See 0.9.13 for full changelog

TCK

• Report 1.0.0
• Passing: 815
• Failing: 71
• Coverage: 91.99%

0.9.13

Documentation

• Javadoc 0.9.13
• Scaladoc 0.9.13

Changelog

• Database specific tweaks and workarounds:
  • Neptune (#211, #218, #232, #217)
  • Cosmos DB (#215, #214, #237)
  • JanusGraph (#220)
• Translation improvements (Cypher feature support):
  • Expressions as pick tokens in simple CASE form (#235)
  • Consider type in predicates: (#230)
  • Return List instead of Relationship on var length paths (#204)
  • Only aliases in WITH are bound: (#203)
  • Custom function to copy properties between elements (#202)
  • Support expressions in range() (#185)
  • Support named path creation (#181)
  • Add custom functions: round, trim, endnode, startnode, reverse, split, substring, toupper, tolower (#187, #228, #233)
• Translation and rewriter optimizations (Gremlin query readability and performance):
  • Rewrite where with id (#227)
  • Cleaner without/within predicate translation (#229)
  • Simplify nodes() and relationships functions (#198)
  • Pattern comprehension improvements (#194)
  • Simplify null guards (#186)
  • Add validations (#180)
  • Use keys on maps (#179)
• Bugfixes
  • Fixed related bugs with fold and rewriting (#188)
  • nodes and relationship fixes (#192)
  • Bug: Keep traversal history when using RANGE (#196)
  • Chain of related fixes (#182)
  • Fix rounding in skip/limit (#178)
  • Fix expression support in list comprehension (#177)
• Upgrade to Apache TinkerPop 3.3.4 (#205, #207)

TCK

• Report 0.9.13
• Passing: 811
• Failing: 75
• Coverage: 91.53%

0.9.12

Documentation

• Javadoc 0.9.12
• Scaladoc 0.9.12

Changelog

• Fallback mechanism that produces specialized translations for cases when Cypher Extensions are not installed (#155) (#160) (#161)
• Gremlin Console plugin: support :remote config alias for multiple graphs (#65)
• Support of CASE expression (#165)
• Support map in parameters to set multiple properties on element (#168)

TCK

• Report 0.9.12
• Passing: 772
• Failing: 114
• Coverage: 87%

0.9.11

Documentation

• Javadoc 0.9.11
• Scaladoc 0.9.11

Changelog

This release features better support for DELETE queries on Amazon Neptune and other databases, as well as other bugfixes and performance improvements.

• Translation improvements:
  • Native implementation of list functions head, tail, last (#149, #152)
  • Support for unnamed relationship patterns in expressions (#150)
  • Improved translation of DELETE and DETACH DELETE (#139, #151, #153)
  • Multiple step labels for the same step are reduced to one (#138)
  • Unnecessary if-not-null checks are removed where possible (#137)
• Translation module:
  • Standalone procedure calls are now provided with type information (#143, #145, #146)
• Examples:
  • A demo project for various Cypher for Gremlin API features is now available

TCK

• Report 0.9.11
• Passing: 769
• Failing: 117
• Coverage: 87%

0.9.10

Documentation

• Javadoc 0.9.10
• Scaladoc 0.9.10

Changelog

This release features better support for using Cypher for Gremlin with Amazon Neptune, a new cloud graph database. The documentation has been updated with examples.

• Translation improvements:
  • New translator flavor for Amazon Neptune (#109, #127, #132, #134)
  • Variable reuse in queries combined with UNION (#106)
  • More functions can be used without installing the Cypher plugin (#113, #122, #123, #124, #125, #128)
  • Property cardinality is specified explicitly for vertex creation (#129)
  • Basic multiple-label support for Amazon Neptune (#130)
• Translation optimizations:
  • Projection and aggregation performance improvements (#112, #116)
  • Traversals that match only relationships will start with graph edges (#115)
• Translation module:
  • API to produce intermediate representation of a Gremlin traversal (#108)
  • Translation to Gremlin-Groovy will fail on parameter names that are invalid Groovy identifiers (#119, #120)
• Cypher Gremlin Server client:
  • Non-numeric identifier support (#110, #133)
• Cypher Gremlin Server plugin:
  • Plugin-only features are now required to be explicitly enabled (#117)
  • Plugin-only feature implementation is now available as a separate module (#126)

TCK

• Report 0.9.10
• Passing: 765
• Failing: 121
• Coverage: 86%

0.9.9

Documentation

• Javadoc 0.9.9
• Scaladoc 0.9.9

Changelog

• Translation improvements:
  • List ranges and negative index (#92)
  • Property access for any type (#93)
  • Translator-local procedure call definitions for in-memory graphs (#95)
  • Undirected relationship path deduplication (#97)
  • Variable length path improvements (#98, #102)
  • Unified path pattern translation (#99, #101)
  • OPTIONAL MATCH improvements (#103)
  • MERGE improvements (#105)
• Cosmos DB flavor improvements:
  • keys function

TCK

• Report 0.9.9
• Passing: 766
• Failing: 120
• Coverage: 86%