tursom/memgraph
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
0aee18544d
memgraph/CHANGELOG.md
Matej Ferencevic 8cf69738bf Fixed bolt decoder chunked buffer implementation. 
Summary:
Bolt client now uses new chunked decoder.

Fixed bolt session to use new chunked decoder.

Fixed chunked decoder buffer test.

Fixed bolt session test.

Removed debug message from client.

Fixed bolt encoder to comply with specification.

Reviewers: buda, mislav.bradac

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D751
2017-09-06 13:19:42 +02:00

2.6 KiB
Raw Blame History

Change Log

Next version

Major Features and Improvements

  • CASE construct (without aggregations).
  • rand function added.
  • Maps can now be stored as vertex/edge properties.
  • collect aggregation now supports Map collection.
  • Map indexing supported.
  • assert function added.

Bug Fixes and Other Changes

  • Keywords appearing in header (named expressions) keep original case.
  • Our Bolt protocol implementation is now completely compatible with the protocol version 1 specification. (https://boltprotocol.org/v1/)

v0.7.0

Major Features and Improvements

  • Variable length path MATCH.
  • Explicitly started transactions (multi-query transactions).
  • Map literal.
  • Query parameters (except for parameters in place of property maps).
  • all function in openCypher.
  • degree function in openCypher.
  • User specified transaction execution timeout.

Bug Fixes and Other Changes

  • Concurrent BUILD INDEX deadlock now returns an error to the client.
  • A MATCH preceeded by OPTIONAL MATCH expansion inconsistencies.
  • High concurrency Antlr parsing bug.
  • Indexing improvements.
  • Query stripping and caching speedups.

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.