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27 Commits

Author SHA1 Message Date
florijan
1a619c54e9 Rand() function added 
Reviewers: mislav.bradac, buda

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D690
 2017-08-22 15:18:41 +02:00
Mislav Bradac
8792b8f931 Implement CASE construct 
Summary: Missing: documentation

Reviewers: buda, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D685
 2017-08-21 13:30:41 +02:00
florijan
1d112e1141 GraphDbAccessor - style change 
Summary: Not strictly neccessary, but it's been itching me. It took an hour.

Reviewers: buda, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D648
 2017-08-09 16:09:08 +02:00
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
florijan
b8957c999d Map type now supported 
Summary:
- MapLiteral added
- PropertyLookup on maps added

This is the basic implementation, missing are:
- unit tests
- feature and TCK tests
- documentation
- changelog

That stuff is coming. Please review the implementation (Mislav).

Reviewers: mislav.bradac, buda, teon.banek

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D640
 2017-08-08 14:34:26 +02:00
Teon Banek
b33aae42ab Add ALL function to openCypher 
Summary:
Add All expression to Ast
Evaluate All expression
Visit All and generate symbols
Handle All when collecting context during planning

Reviewers: florijan, mislav.bradac, buda

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D587
 2017-07-25 16:32:45 +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
69cfd197d8 Don't raise TypedValueException during query execution 
Summary:
Handle TypedValueExceptions in query/plan/operator.cpp

Raise QueryRuntimeException during expression evaluation

Reviewers: florijan, mislav.bradac, buda

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D457
 2017-06-13 14:46:56 +02:00
Mislav Bradac
839d63284b Implement STARTS WITH, ENDS WITH, CONTAINS 
Reviewers: buda, teon.banek, florijan

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D389
 2017-05-19 19:28:06 +02:00
Mislav Bradac
f9cd87bb46 Implement collect aggregation 
Reviewers: teon.banek, florijan

Reviewed By: teon.banek, florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D386
 2017-05-19 17:24:12 +02:00
Teon Banek
23ab2b41a3 Refactor ExpressionEvaluator to classic visitor 
Reviewers: florijan, mislav.bradac, buda

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D368
 2017-05-16 15:33:47 +02:00
Teon Banek
87e5dc0dfb Plan '*' in RETURN and WITH 
Summary:
Make Symbol members read only.
Check WITH/RETURN * in SymbolGenerator.
Test semantic checks for WITH/RETURN *.
Sort expanded user identifiers by name.
Test planning WITH/RETURN *.

Reviewers: buda, florijan, mislav.bradac

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D357
 2017-05-12 13:05:40 +01:00
Mislav Bradac
f82bda6c0c Implement Range function 
Reviewers: teon.banek, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D358
 2017-05-10 17:12:15 +02:00
Mislav Bradac
a236d704a3 Join filters with FilterAnd (short-circuit) 
Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D356
 2017-05-08 15:49:49 +02:00
Mislav Bradac
871b81656b Implement InListOperator 
Reviewers: buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D354
 2017-05-07 17:52:08 +02:00
Mislav Bradac
cfb987a90c Evaluate epressions EdgeTypeTest and LabelsTest 
Reviewers: florijan, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D345
 2017-05-05 13:25:23 +02:00
Mislav Bradac
2e9c0e4cb9 Implement evaluation of list indexing and slicing 
Reviewers: florijan, teon.banek

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D342
 2017-05-04 15:34:33 +02:00
florijan
2e5eccf197 Query::AST::Literal refactor. Repl and TypedValue mods. 
Summary:
- Query::AST::Literal refactor (LiteralBase introduced, ListLiteral added)
- Repl now prints out list TypedValues properly
- TypedValue to string conversion refactors

Reviewers: teon.banek, mislav.bradac, buda

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D327
 2017-04-28 14:58:16 +02:00
Mislav Bradac
1c51ce77ef Even more awesome functions 
Reviewers: florijan, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D319
 2017-04-27 14:11:12 +02:00
Mislav Bradac
0fa4555cad Implement opencypher functions 
Summary: Implement opencypher functions

Reviewers: florijan, buda, teon.banek

Reviewed By: buda, teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D299
 2017-04-26 13:27:42 +02:00
Mislav Bradac
fe36835519 Add db_accessor to ExpressionEvaluator 
Summary: Add db_accessor to ExpressionEvaluator

Reviewers: florijan, teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D310
 2017-04-24 14:38:38 +02:00
Teon Banek
dbe5ffc4ea Raise if Abs function got a boolean 
Reviewers: florijan, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D289
 2017-04-18 13:28:34 +02:00
Teon Banek
3b27b20992 Reorganize query directory tree 
Summary:
Move query/frontend/interpret to query/interpret.
Split interpret.hpp to frame.hpp and eval.hpp.
Move query/frontend/logical to query/plan.
Nest namespace frontend::opencypher inside query.

Reviewers: florijan, mislav.bradac, buda

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D272
 2017-04-13 11:28:11 +02:00
Teon Banek
355b9a9b9a Plan aggregation in WITH and RETURN clauses 
Summary:
Generate symbols for aggregation results.
Plan aggregation in WITH clause.
Plan aggregation in RETURN clause.
Extract handling write clauses to a function.

Reviewers: mislav.bradac, florijan

Reviewed By: mislav.bradac, florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D236
 2017-04-12 13:22:23 +02:00
Mislav Bradac
36129cdcae Implement simple function conversion 
Reviewers: buda

Reviewed By: buda

Subscribers: florijan, teon.banek

Differential Revision: https://phabricator.memgraph.io/D264
 2017-04-11 19:14:08 +02:00
Mislav Bradac
b7ee09785b Implement IS NULL and IS NOT NULL 
Reviewers: teon.banek, florijan

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D254
 2017-04-10 16:55:58 +02:00
florijan
1280e77fd3 Query - Logical - Delete op added and tested. Minor refactors. 
Reviewers: buda, teon.banek, mislav.bradac

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D184
 2017-03-27 14:57:44 +02:00