* Support DML,DDL to use inputNode

* address comment

* rebase upstream

* reabse upstream

* update

* address comments

* add test

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

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

Fix comment
Move statusOr
Replace hard code vid string
Rename processList function

* Base implement.

* Deduce the props needed.

* Deduce type for expression.

* Validate the srcs.

* Add prop type to value type method.

* Add test.

* Implement one step plan.

* Fix require space.

* Adapt the operator.

* Report error for the unsuppoted feature.

* Fix test.

* Fix only tag props.

* Verify the plan.

* Address comment.

* Rebase and fic conflict.

Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>
Co-authored-by: dutor <440396+dutor@users.noreply.github.com>

* Add set executors and get row interface of iterator

* Cleanup

* Handle right empty data set

* Fix data set column names

* Add more tests

* Add all empty tests

* Add datacollect.

* Implement data collect.

* Make data collect executor.

* Update the subgraph

* Support *.prop.

* Address comment.

* Add test.

* Check data type.

* Rebase and fix compile.

* Address comment.

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

* Remove the duplicate status web API, already contained in common webservice.

* Fix the lack header.

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

* Add first statement validation for SequentialValidator

* Get first sentence of PipedSentence

* Add tests

* Refactor Subgraph test

* Refactor first sentence test

* Add more tests

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

* Implement get neighbors.

* Update get neighbors.

* Add test for get neighbors.

* Rebase and fix test.

* Ignore bad data and return if empty input.

* Clear the members.

* Fix test.

* Modify the get neighbors.

* Fix link and add log.

* Fix linking for clang.

* fixed lex warning, deleted duplicate line

* Fix missing debug info of libstdc++ when build with Clang

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

* Add comment,

* Update the format of the storage response.

* Add getVertex and getEdge.

* Fix test.

* Add test for getVertex and getEdge.

* Handle the bad head and add test.

* Add bench mark

* Address comment.

* Add batch interface for subgraph.

* Address comment.

* Address comment.

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

* Fix bfs tranverse plan verification

* Use loop to replace recursive

* Add ValidatorTestBase

* Add select executor and loop executor.

* Rebase and fix conflict.

* Address comment.

* Address comment.

* add MockSchemaManager

* fix clang build error

* Fix ExecResult and Iterator value error

* Add constant quatifier

* Add reset to position interface in iterator

* Fix error

* Refactor default parameter value

* Fix typo

* Add verify plan method.

* Fix plan node dependency.

* Update toString and << for PlanNode.

* remove INT type vid in parser

* add result check

* fix insert edge

* fix build failed

* address comment

* erase

* rename begin to reset

* Implement get neighbors.

* Implement project.

* Add ut for project executor.

* Check result of the project.

* Disable subgraph test.

* Address @yixinglu's comment.

* Rebase and fix conflict.

* Eval result column names in validator.

* Modify Aggregate and add agg functions.

* Implement aggregate.

* Test aggregate.

* Return a copy of iterator in exec result and add more test for aggregate.

* More test for aggregate.

* Rebase.

* Address comment.

* Refactor the avg of aggregate.

* Delete agg func file and test aggregate bit and/or/xor.

* Add stdev test and add comment.

* Refactor agg test and fix collect test.

* Adpat the change of common.

* Remove aggregate.

* Remove get neighbors.

* Remove subgraph test.

* Add more test.

* Fix compile.

* Refactor scheduler

* Rename util object

* Cleanup

* Add an implement of expression context.

* Fix compiling.

* Implement get_var for expression context.

* Implement get versioned var.

* Fix test.

* Add test for expression context.

* Replace ExecutionContext with QueryContext.

* Implement the k-hop expansion part of sungraph-plan.

* Refactor the context.

* Fix test.

* Add iter/default_iter/state/result.

* Add get_neighbor_iter.

* Rebase and fix conflict.

* Add move value and fix schema test.

* update.

* Make result ctor private.

* Update Iterator.

* Add sequential iter.

* Add const empty result and update get subgraph validator.

* Add test for iterator.

* Rebase and fix conflict.

* Address @yixinglu's comment.

* Update with the change of expressions.

* Fix nebula common include path

* Rename obj target and fix mock include path

* Fix parser include path

* Schedule all executors

* Cleanup

* Move task wrapper to scheduler

* classify logic executors

* Remove hierarchy by inputs

* Fix compile error

* Fix multiple output executor scheduling

* Fix analyze

* Rename multiple output data

* Add execute method in execution plan

* Make error method static

* Use executor error to throw exception

* Make scheduler noncopyable and nonmovable

* Fix comment

* Fix ipv4 parser

* Rename

* Fix review comment

* Fix multiple outputs executor scheduling

* Mask task plan id for multiple output executor

* Update to common source code.

* Fix the hostname cases.

* Fix the hostname string memory leak

* Fix the memory leak in hostname string.

* Add compatible to origin IPV4 notation.

* Fix the IP addr scanner testing.
Fix the common expression enum compile error.

* Fix git clone verification error

* Fix workflow

* Fix file link

* Remove github action workflows temporarily

* Implemented QueryContext

* Addressed comments and rebased

* Add GitHub Action workflow for CI

* Fix ubsan compiling error

* Fix prepare step in JOB

* Add drone configure file

* Rename yaml file ext

* Split two pipeline for different compilers

* Try to fix drone configuration again

* Fix compile error

* Fix build folder

* add CreateValidator and MutateValidator

* add desc validator

* remove unuse

* Address yixinglu and CPWstatic's comment

* Adjust file name

* Address yixinglu's comment

* add executor

* add test

* add test

* modify var name

* address CPWstatic's comment

* address yixinglu's comment

* Add schemaManager in storageCache

* address yixinglu's comment

* address dangleptr's comment

* Add executors and execution

Add service directory.

Build graphd.

QueryEngine and QueryInstance.

Using raw pointer in PlanNode. (#16)

* Delete RegisterVariable and replace outpus_ with availableVars_.

* Name all children in PlanNode.

* Using raw pointer in PlanNode.

* Add id generator for plan node and ep.

* Address yixinglu's comment and fix linking problem of Validator.

* Update nodes.

Add executor interface

Add loop and select executors

Add execution engine

Delete plan fragment implementation

Add multioutputsexecutor

Use raw pointer in execution engine

Fix multioutput executor promise for inner loop

Fix compile error

Rename service/ExecutionContext to service/QueryContext

Cleanup scheduler and rename ExecutionEngine to Execution

Add subgraph sentence.

Address @dutor's comment.

Validate subgraph sentence.

An incomplete plan for subgraph.

Update the PlanNode and validator.

A start of testing validator.

Update the ctors for Query Operator.

Save plan for PlanNode and update the ctors for query operator.

Fix compile error

Add execution test

Fix loop executor about iteration variable

Test plan with union node

Fix error about executor construction with cache in one plan

Add test about multioutputs executor in loop

Improve plan node construction and test get neighbors executor

Add the rest of  executors

Store query context in execution context for usage of storage client in get neighbors executor

Refactor executor execute interface and improve get neighbors implementation

Add start and error function and catch all exception in the end

Add get vertices/edges implementation

Count execution escaped time

Cleanup

Add some profiling metrics and improve error handling

Use ensure to stop watch

Update elapsed time when calling storage client

Add key string in executor

Add subgraph sentence. (#18)

* Add subgraph sentence.

* Address @dutor's comment.

* Validate subgraph sentence.

* An incomplete plan for subgraph.

* Update the PlanNode and validator.

* A start of testing validator.

* Update the ctors for Query Operator.

* Save plan for PlanNode and update the ctors for query operator.

* Rebase and fix conflict.

* Init the members of a class.

Fix merge error

Delete ExecutionContext

Update nebula::cpp2::Value to nebula::Value

Replace static_cast with asNode

Implement GetNeighborsExecutor

Move response

Rename dumplog

Restore header file orders and move value

Implement preparation for executor and fix multiple outputs executor execute interface

Fix review comments

Reorg directory of query executors

Update executor key

Remove execution class and move its function to ExecutionPlan

Cleanup

Delete execution context in exec dir

Restore unexpected changes

Remove ContextBase inheritance

* Fix conflicts

* Remove debugString, elapsedTime and stopWatch

* Refactor validate interface implementation

* Update GetNeighbors

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