* Import LAGraph files

* Apply autoformatter

* Add LAGraph include file

* WIP Add BFS procedure

* tmp Utility

* Revert LAGraph inclusions

* Replace LAGraph reference with GraphBLAS references

* WIP

* WIP

* Add BFSTree procedure

* Add unit tests

* Update documentation

* Resolve compiler warnings

* Address PR comments

* Make singular BFS procedure with variable outputs

* Remove start_node yield

* Address PR comments

* Remove yield-edges BFS input arg

* Address PR comments

* Switch to LAGraph_bfs_pushpull

* Remove unused code paths from LAGraph BFS algorithm

* procedure invocation receives yield array

* consume BFS result using iterator

* test BFS returning no results

* clean up, address PR comments

Co-authored-by: swilly22 <roi@redislabs.com>
Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

)

* Separate ExecutionPlan op construction logic into different files

* Address PR comments

* Refactor header files

* Address PR comments

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

* Support array properties in bulk loader

* Address PR comments

* Add no_multi_key & hash_policy

* Update ramp.yml

At the moment we can't handle user hash policy due to virtual keys

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

* read only query

* added sleep, try to avoid ci failure

* added more write scenarios. added replica shutdown

* added skip flag to avoid memcheck failure

* fixed PR comments

* Update module.c

* try to skip on any debugger. added more write scenarios

* checkSlaveSynced moved to use time.sleep. Another try to skip debuger

* added RO_QUERY to commands

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

…1371)

* Add GRAPH.BULK documentation and link to bulk loader documentation

* Address PR comments

* added to_lower for procedure name in Proc_get to support both upper and lower cases

* new test for lookup_case_insensitive

* Created strutil and moved the implementations of str_tolower and str_toupper to it. Remove the static implementations of these functions and replaced every call with a new call for str_tolower.
minor changes in getProc and procRegister due to PR

* fix indentations

* fix indentations

* minor changes

* minor changes

* indentations fix

* indentations fix

* indentations fix

* indentations fix

* indentations fix

* PR fixes

* PR fixes

* PR fixes

* PR fixes

* PR fixes

* PR fixes

* PR fixes

* PR fixes

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

…1377)

* Adding a new procedure that returns all the procedures in the system. This procedure may yield up to two fields for each procedure: its name and/or its mode (READ/WRITE).

* PR fixes

* Saving raxIterator reference instead of allocating it on the heap in proc_proceudres_private_data. More PR code fixes

* Remove the getter "Procedure_ReadOnly" that gets only the procedures name, leaving only the getter "Procedure_IsReadOnly" that gets the whole procedure object.

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

…1386)

* Avoid double free of heap-allocated values in CASE...WHEN statements

* Update test_function_calls.py

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

* Don't migrate WITH filters into Merge and Apply scopes

* Don't place filters in previous scope for filtered aliases

* Fix memory error

* remove vector

* consolidate operation locating

* execution plan construction refactoring WIP

* move arithmetic expression construction from AST to AR_EXP

* discover skip, limit and black-listed ops modifiers

* PR fixes

* Fixes continued

* Fix ResultSet updates in UNION queries

* Clarify comments, minor cleanup

* Fix unit tests

* Fix caching logic for SKIP and LIMIT

* Address PR comments

* tidy up execution plan construction and join op

* reset limit on aggregation

* define 16 as the default batch size for traversal operations

Co-authored-by: swilly22 <roi@redislabs.com>
Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

* reaplace gitter with Discord

* replace gitter to discord

* Allow property accesses on non-identifier entity references

* access entity attribute only via the property function

* address PR comments

Co-authored-by: swilly22 <roi@redislabs.com>
Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>

* redundent filter construction and placement

* Add validating flow tests

Co-authored-by: Jeffrey Lovitz <jeffrey.lovitz@gmail.com>

* Parse full argv array on main thread

* remove read_flags from cmd_query

Co-authored-by: Roi Lipman <swilly22@users.noreply.github.com>
Co-authored-by: swilly22 <roi@redislabs.com>

…1406)

* query validation should not check if procedure outputs been defined

* address PR comments

* Add trusted-by logos

* add more logos

* Correctly place filters without referenced variables

* Emit compile-time error on constant non-boolean filter

* Validate references per clause instead of per scope

* Emit error on failed filter placement in optimize_cartesian_product

* Fix free of invalid value in OpUnwind

* Handle NULL sources in variable-length traversals

* Address PR comments

* Post-rebase fixes

* Address PR comments

* introduce AST unsupported op error

Co-authored-by: swilly22 <roi@redislabs.com>

* add graph version to graph context object

* change graph version from string to uint32

* testing graph version

* response with an error when graph version mismatch

* release graph context on version mismatch

* address PR comments

* increase command arity to accomadate graph version argument

* address PR comments

Co-authored-by: DvirDukhan <dvir@redislabs.com>