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20 Commits

Author SHA1 Message Date
florijan
afbb940a05 GC bugfixes, MVCC and transaction refactoring 
Summary:
- GC changed to evaluate old records w.r.t. the oldest transaction's id AND snapshot, as opposed to only id
- MVCC hints exp+aborted race condition prevented
- minor MVCC refactors and cleanups
- minor Transaction refactors and cleanups

Reviewers: buda, dgleich

Reviewed By: buda, dgleich

Subscribers: dtomicevic, pullbot

Differential Revision: https://phabricator.memgraph.io/D434
 2017-06-12 10:46:12 +02:00
matej.gradicek
29041eb4d1 Added mvcc tests with one transaction and modified version list update function 
Summary: Modified version list update, added mvcc tests for one transaction

Reviewers: dgleich, florijan

Reviewed By: dgleich, florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D360
 2017-06-02 07:37:42 +00:00
florijan
95ce34cc0a Mvcc.GcDeleted bugfix and test 
Summary: Changed mvcc::VersionList::GcDeleted to look for the oldest visible record.

Reviewers: teon.banek, buda, dgleich

Reviewed By: teon.banek, dgleich

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D378
 2017-05-18 16:02:42 +02:00
matej.gradicek
f74ba586b2 Implemented mvcc tests as discused with flor(two different transactions operations) 
Reviewers: florijan, buda, dgleich

Reviewed By: florijan, buda

Subscribers: dtomicevic, teon.banek, buda, pullbot

Differential Revision: https://phabricator.memgraph.io/D359
 2017-05-16 12:09:29 +00:00
florijan
0a33a555a6 GraphDdAccessor and KeyIndex API upgrades. Test refactoring 
Summary:
The GraphDbAccessor and KeyIndex APIs can now also return records for the current transaction+command graph state. This is necessary to correctly implement MERGE. The new logic is has increased the MVCC+Accessor related chaos and should be revised when refactoring MVCC (as planned).

Previous index testing was separated into VertexIndex and EdgeIndex testing. This is inappropriate since most of the logic is exaclty the same. Also it was not clearly defined what gets tested via the GraphDbAccessor API, and what directly through the KeyIndex API. This has also been refactored, but it needs additional work (Gleich).

Reviewers: buda, dgleich

Reviewed By: buda, dgleich

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D306
 2017-05-03 15:42:04 +02:00
Teon Banek
3b9d13f1e1 Fix errors introduced in D298 
Reviewers: florijan, mislav.bradac, mferencevic, buda

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D326
 2017-04-28 11:11:32 +02:00
Dominik Gleich
461ea65ad4 Deferred deleter added. 
Summary:
Add tests.

Merge branch 'dev' into remove_locks

Everything works. Refactor complete.

Documentation:
https://phabricator.memgraph.io/w/memgraph_implementation/indexing/

Reviewers: buda, mislav.bradac, florijan

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D258
 2017-04-14 17:46:16 +02:00
Dominik Gleich
e8fd479bbc Fix memory leak. Refactor mvcc. Revert commit function to old and introduce new one. 
Summary:
Update tests.

Documentation:
https://phabricator.memgraph.io/w/memgraph_implementation/mvcc/

Reviewers: mislav.bradac, florijan, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D227
 2017-04-10 12:16:03 +02:00
Dominik Gleich
e8fe25bc61 Remove move constructor and delete move = 
Reviewers: florijan, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D237
 2017-04-06 14:38:48 +02:00
florijan
9ce2081103 Storage::RecordAccessor - added multiple pointers to RecordAcessors and switching capabilities. Rewired GraphDbAccessor and VersionList accordingly. Added tests for new RecordAccessor functions. 
Reviewers: teon.banek, dtomicevic, mislav.bradac, dgleich, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D207
 2017-04-03 12:29:56 +02:00
Dominik Gleich
bd0b81526e Initial version of mvcc_gc. 
Summary:
Tested MVCC garbage collector.
Also refactors graph_db forward declarations of vertex and edge which were causing issues.

Reviewers: mislav.bradac, dtomicevic, florijan, teon.banek, buda

Reviewed By: teon.banek, buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D177
 2017-03-29 12:38:24 +02:00
Dominik Gleich
57f1b40d8d Refactor transaction inside db_accessor. Also introduce advance_command. 
Summary:
Modification to MVCC - CHECK!

Refactor transaction_read

Add automatic commit/abort functionality to graph_db_accessor.

Fix failing test in graph_db_accessor.

Reviewers: buda, dtomicevic, florijan

Reviewed By: buda, florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D87
 2017-03-07 09:42:04 +01:00
Dominik Gleich
82414b9111 Fix naming of asserts.runtime_assert & assert -> debug_assert 
Summary:
Merge branch 'dev' into rename_assert

Fix new files.

Remove cassert.

Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D66
 2017-02-24 11:41:55 +01:00
Marko Budiselic
d4e3c4cd10 clang format has been run on all hpp and cpp files under src and tests 2017-02-18 11:54:37 +01:00
Marko Budiselic
e7f5bd4c21 antlr integration, *.hpp and *.cpp inside src dir, cleanup 
Summary: antlr integration, *.hpp and *.cpp inside src dir, cleanup

Test Plan: manual

Reviewers: mislav.bradac, dgleich, florijan

Reviewed By: florijan

Subscribers: pullbot, buda

Differential Revision: https://phabricator.memgraph.io/D49
 2017-02-17 16:20:31 +01:00
Marko Budiselic
869da8dcda All files for the Release are now isolated 2016-08-10 09:39:02 +01:00
Marko Budiselic
84e69bb1d3 fmt wrapper + proof of concept folder 2016-08-08 09:32:34 +01:00
Marko Budiselic
c8440b4671 tests/manual/query_engine.cpp work in compiler in progress 2016-07-11 02:39:33 +01:00
Marko Budiselic
b5536d70fa delete accessor from version list + build flow update + memgraph docker file + TODO: debug cypher grammar 2016-06-25 17:26:26 +01:00
Marko Budiselic
52625e39a3 The folder structure was changed, all source code is now within the src dir. 2016-05-08 11:33:07 +02:00