* Fix the ast to string format.

* Fix the ast repr bug.

* Rebase.

* Update.

* Fix the yixinglu's comments.

* Format feature file.

small change

small change

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>
Co-authored-by: jie.wang <38901892+jievince@users.noreply.github.com>

* loop body draft

* fix match base cases and passThrough scheduler

* clean up

* refactor Union executor to support merge two versions of the same input

* modify union node

* use an extra Union node to append result of the first step

* add UnionAllVersionVarExecutor

* add UnionAllVersionVarExecutor into variable-length match plan

* remove redundant code

* fix UTs

* address comments

* Fix bug about match index selection

* Fix error message

* Fix failed tests

* refactor code, move appendFetchVertexPlan() to MatchSolver

* add implementation for match exactly 0 step

* add simple tests and fix typo

* add implementation for match 0..n step

* fix left node expansion

* add string vid tests

* add int vid tests

* refactor code

* remove redundant code

* add overloaded method appendFetchVertexPlan()

* add more tests

* update int vid test

* address comments, fix passThrough()

* fix conflicts

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

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

* Add basic match test.

* Add basic match int vid test.

* Add copyright.

* Fix typo and add background.

* Remove old test.

* Fix path compare.

* Add same column name test.

* Remove duplicate test.

* Format.

* Fix rebase.

* Fix the find start node logic.

* Expand from node or edge.

* Left expand and right expand.

* Add dependecy and inputVar for Expand.

* Fix all edge expand.

* Join the left expand and right expand.

* Fix project wrong vid column.

* Project final columns.

* Fix inputvar of left expand.

* Fix reversely expand.

* Fix mem leak and double free.

* Test from middle.

* Fix start from end node.

* Fix return edges.

* Fix return edges and add tests.

* Rebase and fix.

* Fix ut.

* Fix mem leak.

* Fix typo.

* Fix match by id test and add int vid test for start from any node.

* Move some test to bugfix.

Co-authored-by: Shylock Hg <33566796+Shylock-Hg@users.noreply.github.com>

* add test for match on tag

* fix match crash

* fix map comparator in test

* update getNeighbor filter

* fix comments

Co-authored-by: jie.wang <38901892+jievince@users.noreply.github.com>
Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>
Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>

* Add set test in tck.

* Add some error case.

* Fix naming style.

* Add set test int vid.

* Add copyright.

* Format.

* Add more bdd steps

* Fix session release

* Fix failed cases

* Add error check step

* Fix CI failure

* Install format gherkin

* Check Gherkin feature format in workflow

* Format

* Fix pull request workflow

* Use absolute path in makefile

* Add test target

* Install in user mode

* Fix poetry run error

* Setup python version

* Improve check and fmt target cmd

* Setup python version in build job

* Split gherkin feature format check step

* Fix python env setup in centos7

* Fix target typo

* Replace behave with pytest_bdd

* Add value comparator

* Finish value compare

* Fix set compare

* Execute query and check result steps

* Make parser return bytes array rather than string

* Add NBA CSV data files

* Add types

* Generate insert stmt string

* Fix row comparing

* Generate create stmt string

* Use pytest-mproc's global scope to init nebula servers

* Fix compare bug

* Add student data

* Cleanup steps

* Fix parser bug

* Update parser

* Remove pytest-mproc

* Fix cleanup nebula services

* Fix ci test run parallel

* Replace conn pool creation with fixture

* Improve the free ports get function

* Fix workarround for class fixture usage

* improve free port find method

* Fix test spaces

* Change pytest temp base dir

* Improve kill nebula service logics

* Update workflow

* Fix github workflow step

* Address comments