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memgraph/CHANGELOG.md
florijan 47c1cd6e3d Degree(Vertex) function added 
Summary:
- added only one function for getting the total (in + out) vertex degree, it's required for the Ravelin use-case
- specific `degree_in` and `degree_out` functions can be added as necessary
- also fixed random_graph_generator bug (needed it for testing)

Reviewers: buda, mislav.bradac

Reviewed By: buda, mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D652
2017-08-09 15:06:10 +02:00

1.8 KiB
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Change Log

Next version

Major Features and Improvements

  • Support for variable length path MATCH.
  • Support for map literal.
  • Support for all function in openCypher.
  • User specified transaction execution timeout.
  • Support for query parameters (except for parameters in place of property maps).
  • degree function added.

v0.6.0

Major Features and Improvements

  • AST caching.
  • Label + property index support.
  • Different logging setup & format.

v0.5.0

Major Features and Improvements

  • Use label indexes to speed up querying.
  • Generate multiple query plans and use the cost estimator to select the best.
  • Snapshots & Recovery.
  • Abandon old yaml configuration and migrate to gflags.
  • Query stripping & AST caching support.

Bug Fixes and Other Changes

  • Fixed race condition in MVCC. Hints exp+aborted race condition prevented.
  • Fixed conceptual bug in MVCC GC. Evaluate old records w.r.t. the oldest. transaction's id AND snapshot.
  • User friendly error messages thrown from the query engine.

Build 837

Bug Fixes and Other Changes

  • List indexing supported with preceeding IN (for example in query RETURN 1 IN [[1,2]][0]).

Build 825

Major Features and Improvements

  • RETURN , count(), OPTIONAL MATCH, UNWIND, DISTINCT (except DISTINCT in aggregate functions), list indexing and slicing, escaped labels, IN LIST operator, range function.

Bug Fixes and Other Changes

  • TCP_NODELAY -> import should be faster.
  • Clear hint bits.

Build 783

Major Features and Improvements

  • SKIP, LIMIT, ORDER BY.
  • Math functions.
  • Initial support for MERGE clause.

Bug Fixes and Other Changes

  • Unhandled Lock Timeout Exception.

Build 755

Major Features and Improvements

  • MATCH, CREATE, WHERE, SET, REMOVE, DELETE.