* support variable-length string type for index

* add override mothod for CaseExpression

* unify Value::kNullBadType

* addressed yee's comments

* Add DISTINCT & ORDER BY & SKIP & LIMIT

* Rebase

* refine

* Address cpw's comments

* Fix uninitialized data member

* Address comments

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* fix error msg

* add more error msg

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* Fold the function call itself if it's stateless.

* Change to pure.

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* Add match vertex index seek planner.

* Add planners register.

* Regist vertex index seek planner.

* Add vertex id seek planner.

* Regist match tag scan planner.

* Add match ast context.

* Implement match for vertex index seek planner

* Implement transform for vertex index seek planner.

* Implement match for vertex id seek planner.

* Update match for vertex id seek planner.

* Implement transform for vertex id seek planner.

* Register all match planners.

* Debug.

* Add match solver.

* Reuse codes.

* Delete anno_ in match validator.

* Fix clang compile error.

* Rebase and fix.

* add snapshot and job test

* update

* rebase upstream

* address comment

* fix show job id failed

* modify to serial

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* check duplicate props

* remove useless code

* add test case

* fix error

* check duplicate column name

* little change

* address comment

* del useless code

* fix test error

* rebase

* address comment

* add comment

* add test case

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>
Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* Support IN/BOTH direction in MATCH

* add ci

* Address comments and add tests

* add drop, desc, show, rebuid index's validator and executor

* add rebuild edge index

* add show tag indexes plannode

* add toDescIndex

* add show tag indexes validator

* remove offline flag of rebuild index

* add scoped_timer

* fix

* add python test

* move toDescIndex to IndexUtil

* remove rebuild index

* fix

* update code

* support show tag/edge status

* resolve conflict

* resolve conflict

* fix

* fix

* fix conflict

* remove unused code

* improve test

* improve index test

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* Add the match by id.

* Disable the vertex extend by vertex id query.

* Disable extend by id query.

* Add TODO unwind to extand list.

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* Added fully syntatic support for MATCH

* Generalize ORDER BY

* fix build

* Address comments

* Refine fixture of conftest.py in query folder

* Cleanup

* Restore capture of pytest

* Rename planner to plan and add planners dir.

* Add planner framework.

* Implement SequentialPlanner.

* Add ast context.

* Refactor the toPlan and address comment.

* Refactor: planners could be instantiated.

* Fix initialization-order-fiasco.

* Update namings.

* multi-source shortest path Validator

* fix error

* more test case

* nobody case

* fix missing edge

* add startVid judgement logic

* fix case error

* multi-source shortest path Validator

* fix error

* add test case

* more test case

* remove useless code

* nobody case

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* Added CI tests for MATCH

* Fix CI check_columns_name

* Fix

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* conjunct path

* collect result:

* fix error

* address comment

* format code

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* Initialize the timezone configuration.

* Log the error when initialize failed.

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* fix TestMapExpr

* fix double free

* rename map_

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* Add produce all paths executor.

* Implement produce all paths executor.

* Add all path executor test.

* Conjunct all paths and test.

* Refactor conjunct all paths.

* Implement find all paths plan.

* Fix one step path.

* Add it.

* Fix mem leak.

* Remove useless code in conjunct path.

* Address comment.

* Add Match Validator

* Address comments and rebase master

* Support retrieve index from filter

* Fixed UT

Co-authored-by: dutor <440396+dutor@users.noreply.github.com>

* Return error code string if the status message content is empty

* Return error directly

* Return semantic error in validators

* Fix comments

* Fix ci failure

* produce semi shortest path

* collect result

* refactor interface

* rebuild code

* update history

* fix memory error

* remove duplicate path

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* refactor keywords

fix

* fix

Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>

* Update container expression usage

* Restore rename

* Filter the not exists filter when fetch edges.

* Fix the test cases.

* Add the case with exist and nonexist edge.

* Using kEmpty instead of Value().

* Change the filter name.

* Add method to build expression.

* Using property expression instead of variable for the filter push-down.

* Rewrite sym expr access method by visitor

* Close graph client

* Fix list/set/map expression

* Support default value expr

* update

* rebase upstream

* address comment

Co-authored-by: bright-starry-sky <56461666+bright-starry-sky@users.noreply.github.com>

* Rename OptGroupExpr to OptGroupNode

* Rename rule set

* Update rules

* add limit push down optimization rule

* fix lish push down

* add test for limit push down rule

* add clone function for Limit/Project plannode

* update code

* add NoTransform func for TransformResult

* fix static function naming style

* fix name

* fix name

* check result data in test_optimizer

* fix

* fix build failed

* add TopN PlanNode and Executor

* add topn rule

* fix topn rule

* fix auto

* add topn rule test

* fix indent

* fix conflict

* fix conflict

* fix ;

* add newline

* fix colNames

* update code

* update code

* fix static function naming style

* fix name

* fix name

* check result data in test_optimzier

* fix

* Improve test with pytest fixture

Format

Simplify

* refactor class fixture

* Replace CommonTtypes with ttypes

Extract fill_ve function

Fix plan node name typo

Try to fix checkout action

* Fix path test failure

* Try to close socket

* Let the optimizer keep a single instance in Query Engine

* Fix failed test case

* Fix typo