a8a2a8c40d
Summary: PreAlpha release changelog update. Reviewers: teon.banek, florijan, mislav.bradac Reviewed By: teon.banek, mislav.bradac Subscribers: pullbot, buda Differential Revision: https://phabricator.memgraph.io/D467
54 lines
1.4 KiB
Markdown
54 lines
1.4 KiB
Markdown
# Change Log
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## Next Build Number; Next Commit Hash; Next Version Number
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### Major Features and Improvements
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* Use label indexes to speed up querying.
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* Generate multiple query plans and use the cost estimator to select the best.
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* Snapshots & Recovery.
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* Abandon old yaml configuration and migrate to gflags.
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* Query stripping & AST caching support.
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### Bug Fixes and Other Changes
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* Fixed race condition in MVCC. Hints exp+aborted race condition prevented.
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* Fixed conceptual bug in MVCC GC. Evaluate old records w.r.t. the oldest
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transaction's id AND snapshot.
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* User friendly error messages thrown from the query engine.
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## Build 837
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### Bug Fixes and Other Changes
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* List indexing supported with preceeding IN (for example in query `RETURN 1 IN [[1,2]][0]`)
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## Build 825
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### Major Features and Improvements
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* RETURN *, count(*), OPTIONAL MATCH, UNWIND, DISTINCT (except DISTINCT in aggregate functions), list indexing and slicing, escaped labels, IN LIST operator, range function
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### Bug Fixes and Other Changes
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* TCP_NODELAY -> import should be faster
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* Clear hint bits
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## Build 783
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### Major Features and Improvements
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* SKIP, LIMIT, ORDER BY
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* Math functions
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* Initial support for MERGE clause
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### Bug Fixes and Other Changes
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* Unhandled Lock Timeout Exception
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## Build 755
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### Major Features and Improvements
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* MATCH, CREATE, WHERE, SET, REMOVE, DELETE
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