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70 Commits

Author SHA1 Message Date
florijan
d35b27bf66 GraphDbAccessor::Build index - docs change 
Reviewers: teon.banek, matej.gradicek

Reviewed By: teon.banek, matej.gradicek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D534
 2017-07-12 13:17:51 +02:00
matej.gradicek
45922a987e Implemented label-property index recovery. 
Reviewers: buda, florijan, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D530
 2017-07-12 12:49:57 +02:00
Mislav Bradac
6068a95a0e Move dbms to database 
Summary:
There was only two files in dbms directory so I moved them to database
directory.

Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D540
 2017-07-12 12:44:11 +02:00
Teon Banek
d9a724f0cd Plan scanning by label & property index for node atoms 
Summary:
Add Filters class for storing additional info

Add FindOr to utils/algorithm.hpp

Use all collected labels when scanning by them

Collect label filters inside WHERE

Document the Filters class

Reviewers: florijan, mislav.bradac, buda

Reviewed By: florijan

Subscribers: pullbot, lion

Differential Revision: https://phabricator.memgraph.io/D515
 2017-07-07 11:30:54 +02:00
florijan
c22ac38ea2 GraphDbAccessor - label+property index cardinalities for exact value and value ranges 
Summary:
- added functionality to `GraphDbAccessor` for cardinality estimates
- changed all `GraphDbAccessor::Count...` functions to return `int64_t`
- added the need functionality into `LabelPropertyIndex`
- modified `SkipList::position_and_count` to accept a custom `equals` function. Equality could not be implemented using only the custom `less` because it compares a templated `TItem` with skiplist element type `T`, and is therefore not symetrical.

Reviewers: teon.banek, buda, mislav.bradac

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D521
 2017-07-06 10:22:19 +02:00
Teon Banek
f5db9d65b0 Add CreateIndex operator 
Reviewers: florijan, mislav.bradac, buda

Reviewed By: florijan, buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D516
 2017-07-03 11:03:15 +02:00
Mislav Bradac
592ba4df98 Minor cleanup 
Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D513
 2017-06-28 15:56:05 +02:00
Dominik Gleich
e2f3aba332 Use GLogger instead of broken memgraph Logger. 
Summary:
http://rpg.ifi.uzh.ch/docs/glog.html

Second phase before tests complete.

Delete logging test.

Finish relase loging.

Reviewers: mislav.bradac, teon.banek, buda

Reviewed By: teon.banek

Subscribers: buda, pullbot

Differential Revision: https://phabricator.memgraph.io/D500
 2017-06-21 15:33:24 +02:00
florijan
e28fc6ed41 FLAG 'snapshot_on_destruction' renamed to 'snapshot_on_exit' 
Reviewers: teon.banek, buda

Reviewed By: teon.banek, buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D471
 2017-06-16 16:25:26 +02:00
florijan
9e6260d0c3 tx::Engine - commit log encapsulation 
Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D460
 2017-06-13 12:32:48 +02:00
Mislav Bradac
d46945f259 Make GraphDbTypes const 
Reviewers: florijan

Reviewed By: florijan

Differential Revision: https://phabricator.memgraph.io/D456
 2017-06-12 15:24:30 +02:00
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
Dominik Gleich
972c62e102 Fix signals. Add recovery status. 
Reviewers: teon.banek, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D451
 2017-06-09 13:25:24 +02:00
Dominik Gleich
1057d253ca Rename config flags. 
Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D446
 2017-06-09 10:52:26 +02:00
Dominik Gleich
65507da9eb Load configs from flagfiles. 
Summary: Migrate configto gflags.

Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D433
 2017-06-07 15:38:17 +02:00
Dominik Gleich
141d9b3bb8 Rework of index api. Remove implicit default value of current_state in graph_db_accessor. 
Reviewers: buda, florijan

Reviewed By: buda, florijan

Subscribers: mislav.bradac, pullbot

Differential Revision: https://phabricator.memgraph.io/D392
 2017-06-07 10:14:55 +02:00
matej.gradicek
15b57e2d52 Implemented recovery and tests. 
Summary: Implemented durability recovery and tesats.

Reviewers: mislav.bradac, dgleich, buda

Reviewed By: mislav.bradac, dgleich, buda

Subscribers: dtomicevic, mferencevic, pullbot

Differential Revision: https://phabricator.memgraph.io/D374
 2017-06-06 15:12:34 +00:00
Dominik Gleich
db5f4469fe Change time to duration. 
Reviewers: florijan

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D403
 2017-05-30 10:39:58 +02:00
matej.gradicek
e791e9b660 Summary:Added files for snapshot durability 
Summary:
File buffer added

Implemented little more of snapshoter.

Resolved conflicts

More stuff implemented of snapshot durability.

More things in snapshoter.

Refactored, added comments

Merge branch 'dev' into durability_snapshot

Merge branch 'dev' into durability_snapshot

Resolved bug in scheduler, snapshoter is running in grpah_db.

Reviewers: mferencevic, buda, dgleich, mislav.bradac

Reviewed By: mferencevic, buda, dgleich, mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D232
 2017-05-17 08:42:00 +00:00
Dominik Gleich
842901ecd2 LabelProperty index. 
Summary:
Add return values.

After merge.

Inital working version. Still missing comments.

Update documentation.

Add checking for previous vlist and value equality.

After merge.

Remove functor, add boolean ffunction.

Build index.

More functionality. Start implementing tests.

Add tests.

Reviewers: matej.gradicek, mislav.bradac, mferencevic, buda, florijan

Reviewed By: mislav.bradac, buda, florijan

Subscribers: lion, florijan, teon.banek, buda, pullbot

Differential Revision: https://phabricator.memgraph.io/D355
 2017-05-16 16:33:20 +02:00
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
893df584f6 Merge utils/exceptions into single file 
Summary: Update documentation of `utils/exceptions.hpp`

Reviewers: mislav.bradac, florijan, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D300
 2017-04-20 16:53:21 +02:00
florijan
231b84e834 Query::Plan - Reconstruct fails after delete 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D287
 2017-04-18 12:25:41 +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
florijan
0a09a6ac64 Storage, Query - deletion bugfix and improvements 
Summary:
Multiple attempts to delete a record dont crash anymore.
Deleting a vertex and its blocking edge in the same delete op now supported.
Utils::Assert - permanent_fail bug fix

Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D282
 2017-04-14 16:34:38 +02:00
Mislav Bradac
bba20cf89c Remove unneccessary files from utils 
Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D276
 2017-04-13 17:55:33 +02:00
Dominik Gleich
fd2780155a Refactor GC to use scheduler. 
Reviewers: buda, matej.gradicek

Reviewed By: matej.gradicek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D247
 2017-04-10 15:57:45 +02:00
Dominik Gleich
8c7ed8c186 Add edge_types indexes. 
Summary: Refactor label_index. Also add edge_type indexes.

Reviewers: mislav.bradac, florijan

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D217
 2017-04-05 17:23:12 +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
863f55dc2f Labels implementation. 
Summary: Labels implementation

Reviewers: buda, teon.banek

Reviewed By: buda, teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D201
 2017-04-03 11:50:22 +02:00
Dominik Gleich
4a6d17658c Fix unnecessary multiple inserts. 
Summary: Unnecessary inserts into skiplist. Skiplist when calls insert alredy blocks untill it inserts or finds that record.

Reviewers: mislav.bradac, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D210
 2017-03-31 14:02:54 +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
florijan
63aae05ec0 GraphDbAccessor - DetachRemove - commands re-ordered for better (assumed) efficiency 
Summary: See above

Reviewers: buda, dtomicevic

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D174
 2017-03-24 14:17:04 +01:00
florijan
1a6aaaed58 DBMS now returns a unique pointer to a GraphDbAccessor 
Summary: See above.

Reviewers: mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D120
 2017-03-14 13:37:23 +01:00
florijan
09999e877f RecordAccessor uses pointers for storage so it's move/copy assignable 
Summary: See above.

Reviewers: buda, teon.banek, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D118
 2017-03-14 13:04:07 +01:00
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
florijan
2aeef25881 Traversal namespace specialization added for real DB primitives 
Summary: database/GraphDbAccessor and storage/...Accessor now returns iterators over lazily created Accessors (filtered on visibility). Dependecies and forward declarations reorganized to support new code

Reviewers: buda, teon.banek

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D83
 2017-03-03 14:01:01 +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
3642fb1312 examples folder has been removed; src/test folder has been removed; the existing tests were moved to tests folder; StacktraceException has been introduced; query_plan_templated has been moved to query folder; hazard pointers have been deleted because they are not used any more 2017-02-18 18:03:48 +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
florijan
55f1912910 Properties refactoring: STABLE STATE. Memgraph compiles. Properties are out. Tests are in progress. 2017-02-16 15:47:55 +01:00
florijan
70a8b93b0b Major properties system and database accessor refactor: first stable state (compiles). 2017-02-15 14:10:16 +01:00
Florijan Stamenkovic
9adf5699d9 Major properties and storage refactoring in progress. UNSTABLE STATE 2017-02-13 09:21:35 +01:00
Florijan Stamenkovic
b38704391c Typed-value migration in progress. UNSTABLE STATE 2017-02-06 12:40:55 +01:00
Florijan Stamenkovic
b374ae1dbb storage and database major refactor in progress, also switching from properties to typed-value system. a lot of overdesigned functionalities cut down, new implementations just started. VERY UNSTABLE STATE 2017-02-04 09:01:56 +01:00
Florijan Stamenkovic
e508482ab9 Deleted storage/model/properties, started refactoring 2017-02-02 09:03:48 +01:00
Marko Budiselic
55a62f9640 Bugs from concurrent tests aren't solved. TODO: we have to introduce memory tracker for tests 2016-12-21 21:33:58 +01:00
Marko Budiselic
cfd36be2e0 All possible request changes from D9#146 are done 2016-11-30 11:05:48 +01:00
Marko Budiselic
21788d003a Dressipi CRUD queries are dummy implemented; Fixes T99 and T131 
Summary: Dressipi CRUD queries are dummy implemented; Fixes T99 and T131

Test Plan: manual

Reviewers: sale

Subscribers: buda, sale

Maniphest Tasks: T131, T99

Differential Revision: https://memgraph.phacility.com/D9
 2016-11-29 04:08:49 +01:00