* refactor: dependency, from frontend depends on datanode to datanode depends on frontend
* wip: start frontend in datanode
* wip: migrate create database to frontend
* wip: impl alter table
* fix: CR comments
* chore: refactor dir for local catalog manager
* refactor: CatalogProvider returns Result
* refactor: SchemaProvider returns Result
* feat: add kv operations to remote catalog
* chore: refactor some code
* feat: impl catalog initialization
* feat: add register table and register system table function
* refactor: add table_info method for Table trait
* chore: add some tests
* chore: add register schema test
* chore: fix build issue after rebase onto develop
* refactor: mock to separate file
* build: failed to compile
* fix: use a container struct to bridge KvBackend and Accessor trait
* feat: upgrade opendal to 0.17
* test: add more tests
* chore: add catalog name and schema name to table info
* chore: add catalog name and schema name to table info
* chore: rebase onto develop
* refactor: common-catalog crate
* chore: refactor dir for local catalog manager
* refactor: CatalogProvider returns Result
* refactor: SchemaProvider returns Result
* feat: add kv operations to remote catalog
* chore: refactor some code
* feat: impl catalog initialization
* feat: add register table and register system table function
* refactor: add table_info method for Table trait
* chore: add some tests
* chore: add register schema test
* chore: fix build issue after rebase onto develop
* refactor: mock to separate file
* build: failed to compile
* fix: use a container struct to bridge KvBackend and Accessor trait
* feat: upgrade opendal to 0.17
* test: add more tests
* chore: add catalog name and schema name to table info
* chore: add catalog name and schema name to table info
* chore: rebase onto develop
* refactor: common-catalog crate
* refactor: remove remote catalog related files
* fix: compilation
* feat: add table version to TableKey
* feat: add node id to TableValue
* fix: some CR comments
* chore: change async fn create_expr_to_request to sync
* fix: add backtrace to errors
* fix: code style
* refactor: merge refactor/catalog-crate
* feat: table key with version
* feat: impl KvBackend for MetaClient
* fix: integrate metaclient
* fix: catalog use local table info as baseline
* fix: sync metsrv
* fix: wip
* fix: update remote catalog on register and deregister
* refactor: CatalogProvider
* refactor: CatalogManager
* fix: catalog key filtering
* fix: pass some test
* refactor: catalog iterating
* fix: CatalogManager::table also requires both catalog_name and schema_name
* chore: merge develop
* chore: merge catalog crate
* fix: adapt to recent meta-client api change
* feat: databode lease
* feat: remote catalog (#356)
* chore: refactor dir for local catalog manager
* refactor: CatalogProvider returns Result
* refactor: SchemaProvider returns Result
* feat: add kv operations to remote catalog
* chore: refactor some code
* feat: impl catalog initialization
* feat: add register table and register system table function
* refactor: add table_info method for Table trait
* chore: add some tests
* chore: add register schema test
* chore: fix build issue after rebase onto develop
* refactor: mock to separate file
* build: failed to compile
* fix: use a container struct to bridge KvBackend and Accessor trait
* feat: upgrade opendal to 0.17
* test: add more tests
* chore: add catalog name and schema name to table info
* chore: add catalog name and schema name to table info
* chore: rebase onto develop
* refactor: common-catalog crate
* chore: refactor dir for local catalog manager
* refactor: CatalogProvider returns Result
* refactor: SchemaProvider returns Result
* feat: add kv operations to remote catalog
* chore: refactor some code
* feat: impl catalog initialization
* feat: add register table and register system table function
* refactor: add table_info method for Table trait
* chore: add some tests
* chore: add register schema test
* chore: fix build issue after rebase onto develop
* refactor: mock to separate file
* build: failed to compile
* fix: use a container struct to bridge KvBackend and Accessor trait
* feat: upgrade opendal to 0.17
* test: add more tests
* chore: add catalog name and schema name to table info
* chore: add catalog name and schema name to table info
* chore: rebase onto develop
* refactor: common-catalog crate
* refactor: remove remote catalog related files
* fix: compilation
* feat: add table version to TableKey
* feat: add node id to TableValue
* fix: some CR comments
* chore: change async fn create_expr_to_request to sync
* fix: add backtrace to errors
* fix: code style
* refactor: merge refactor/catalog-crate
* feat: table key with version
* feat: impl KvBackend for MetaClient
* fix: integrate metaclient
* fix: catalog use local table info as baseline
* fix: sync metsrv
* fix: wip
* fix: update remote catalog on register and deregister
* refactor: CatalogProvider
* refactor: CatalogManager
* fix: catalog key filtering
* fix: pass some test
* refactor: catalog iterating
* fix: CatalogManager::table also requires both catalog_name and schema_name
* chore: merge develop
* chore: merge catalog crate
* fix: adapt to recent meta-client api change
* feat: datanode heartbeat (#355)
* feat: add heartbeat task to instance
* feat: add node_id datanode opts
* fix: use real node id in heartbeat and meta client
* feat: distribute table in frontend
* test: distribute read demo
* test: distribute read demo
* test: distribute read demo
* add write spliter
* fix: node id changed to u64
* feat: datanode uses remote catalog implementation
* dist insert integrate table
* feat: specify region ids on creating table (#359)
* fix: compiling issues
* feat: datanode lease (#354)
* Some glue code about dist_insert
* fix: correctly wrap string value with quotes
* feat: create route
* feat: frontend catalog (#362)
* feat: integrate catalog to frontend
* feat: preserve partition rule on create
* fix: print tables on start
* chore: log in create route
* test: distribute read demo
* feat: support metasrv addr command line options
* feat: optimize DataNodeInstance creation (#368)
* chore: remove unnecessary changes
* chore: revert changes to src/api
* chore: revert changes to src/datanode/src/server.rs
* chore: remove opendal backend
* chore: optimize imports
* chore: revert changes to instance and region ids
* refactor: MetaKvBackend range
* fix: remove some wrap
* refactor: initiation of catalog
* feat: add region id to create table request and add heartbeat task to datanode instance
* fix: fix auto reconnect for heartbeat task
* chore: change TableValue::region_numbers to vec<u32>.
* fix: some tests
* fix: avoid concurrently start Heartbeat task by compare_exchange
* fix: some cr comments
* fix: fix unit tests
Co-authored-by: jiachun <jiachun_fjc@163.com>
Co-authored-by: luofucong <luofucong@greptime.com>
Co-authored-by: fys <1113014250@qq.com>
Co-authored-by: Jiachun Feng <jiachun_feng@proton.me>
* chore: refactor dir for local catalog manager
* refactor: CatalogProvider returns Result
* refactor: SchemaProvider returns Result
* feat: add kv operations to remote catalog
* chore: refactor some code
* feat: impl catalog initialization
* feat: add register table and register system table function
* refactor: add table_info method for Table trait
* chore: add some tests
* chore: add register schema test
* chore: fix build issue after rebase onto develop
* refactor: mock to separate file
* build: failed to compile
* fix: use a container struct to bridge KvBackend and Accessor trait
* feat: upgrade opendal to 0.17
* test: add more tests
* chore: add catalog name and schema name to table info
* chore: add catalog name and schema name to table info
* chore: rebase onto develop
* refactor: common-catalog crate
* refactor: remove remote catalog related files
* fix: compilation
* feat: add table version to TableKey
* feat: add node id to TableValue
* fix: some CR comments
* chore: change async fn create_expr_to_request to sync
* fix: add backtrace to errors
* fix: code style
* fix: CatalogManager::table also requires both catalog_name and schema_name
* chore: merge develop
* meta: meta api&client
* meta: heartbeat server init
* feat: kv store
* chore: grpc server
* chore: meta server bootstrap
* feat: heartbeat client
* feat: route for create table
* chore: a channel pool manager
* feat: route client
* feat: store client
* chore: meta_client example
* chore: change schema
* chore: unit test & by cr
* chore: refactor meta client
* chore: add unit test
* refactor:replace another axum-test-helper branch
* refactor: upgrade opendal version
* refactor: use cursor for file buffer
* refactor:remove native-tls in mysql_async
* refactor: use async block and pipeline for newer opendal api
* chore: update Cargo.lock
* chore: update dependencies
* docs: removed openssl from build requirement
* fix: call close on pipe writer to flush reader for parquet streamer
* refactor: remove redundant return
* chore: use pinned revision for our forked mysql_async
* style: avoid wild-card import in test code
* Apply suggestions from code review
Co-authored-by: Yingwen <realevenyag@gmail.com>
* style: use chained call for builder
Co-authored-by: liangxingjian <965662709@qq.com>
Co-authored-by: Yingwen <realevenyag@gmail.com>
* feat: initial commit of postgres protocol adapter
* initial commit of postgres server
* feat: use common_io runtime and correct testcase
* fix previous tests
* feat: adopt pgwire api changes and add support for text encoded data
* feat: initial integration with datanode
* test: add feature flag to test
* fix: resolve lint warnings
* feat: add postgres feature flags for datanode
* feat: add support for newly introduced timestamp type
* feat: adopt latest datanode changes
* fix: address clippy warning for flattern scenario
* fix: make clippy great again
* fix: address issues found in review
* chore: sort dependencies by name
* feat: adopt new Output api
* fix: return error on unsupported data types
* refactor: extract common code dealing with record batches
* fix: resolve clippy warnings
* test: adds some unit tests postgres handler
* test: correct test for cargo update
* fix: update query module name
* test: add assertion for error content
* feat: implement alter table
* Currently we have no plans to support altering the primary keys (maybe never), so removed the related codes.
* make `alter` a trait function in table
* address other CR comments
* cleanup
* rebase develop
* resolve code review comments
Co-authored-by: luofucong <luofucong@greptime.com>
* feat: improve try_into_vector function
* Impl python mod and PyVector to execute script
* add AsSeq(BUT not IMPL)
* add&test pythonic_index, add into_py_obj(UNTEST)
* add into_datatypes_value(UNTEST)
* inplace setitem_by_index unsupport
* still struggle with testing AsSeq
* actually pyimpl AsSeq&AsMap
* add slice for PyVector
* improve visualibility for testing
* adjust for clippy
* add assert for test_execute_script
* add type anno in test
* feat: basic support for PyVector's operator with scalar (#64)
* feat: memory size of vector (#53)
* feat: improve try_into_vector function
* feat: impl memory_size function for vectors
* fix: forgot memory_size assertion in null vector test
* feat: use LargeUtf8 instead of utf8 for string, and rename LargeBianryArray to BinaryArray
* feat: memory_size only calculates heap size
* feat: impl bytes_allocated for memtable (#55)
* add init and constr
* rename type cast and add test
* fix bug in pyobj_to_val
* add default cast when no type specifed
* add basic add/sub/mul for array and scalar(value)
* cargo clippy
* comment out some println
* stricter clippy
* style: cargo fmt
* fix: string&bool support in val2pyobj & back
* style: remove println in test
* style: rm println in test mod in python.rs
* refactor: use wrap_index instead of pythonic_index
* refactor: right op in scalar_arith_op
* fix: stronger type& better test
* style: remove println
* fix: scalar sign/unsigned cast
* feat: improve try_into_vector function
* Impl python mod and PyVector to execute script
* add AsSeq(BUT not IMPL)
* add&test pythonic_index, add into_py_obj(UNTEST)
* add into_datatypes_value(UNTEST)
* inplace setitem_by_index unsupport
* still struggle with testing AsSeq
* actually pyimpl AsSeq&AsMap
* add slice for PyVector
* improve visualibility for testing
* adjust for clippy
* add assert for test_execute_script
* add type anno in test
* add init and constr
* rename type cast and add test
* fix bug in pyobj_to_val
* add default cast when no type specifed
* add basic add/sub/mul for array and scalar(value)
* cargo clippy
* comment out some println
* stricter clippy
* style: cargo fmt
* fix: string&bool support in val2pyobj & back
* style: remove println in test
* style: rm println in test mod in python.rs
* refactor: use wrap_index instead of pythonic_index
* refactor: right op in scalar_arith_op
* fix: stronger type& better test
* style: remove println
* fix: scalar sign/unsigned cast
* style: remove instead of comment out
* style: remove more comment out
* feat: support scalar div vector
* style: cargo fmt
* style: typo
* refactor: rename to correct var name
* refactor: directly use arrow2::array
* refactor: mv rsub&rdiv's op into a function
* test: add python expr test
* test: add test for PyList
* refactor: tweak order of arithmetics in rtruediv
* style: remove some `use`
* refactor: move `is_instance` to mod
* refactor: move fn to mod& move `use` to head
* style: cargo fmt
* fix: correct signed/unsigned cast
* refactor: wrap err msg in another fn
* style: cargo fmt
* style: remove ok_or_else for readability
* feat: add coprocessor fn(not yet impl)
* refactor: change back to wrapped_at
* fix: update Cargo.lock
* fix: update rustc version
* Update Rust Toolchain to nightly-2022-07-14
* feat: derive Eq when possible
* style: use `from` to avoid `needless_borrow` lint
Co-authored-by: dennis zhuang <killme2008@gmail.com>
* feat: python coprocessor with type annotation (#96)
* feat: add coprocessor fn
Signed-off-by: discord9 <zglzy29yzdk@gmail.com>
* feat: cast args into PyVector
* feat: uncomplete coprocessor
* feat: erase decorator in python ast
* feat: strip decorator in ast
* fix: change parse to `Interactive`
* style: format Cargo.toml
* feat: make coprocessor actually work
* feat: move coprocessor fn out of test mod
* feat: add error handling
* style: add some comment
* feat: rm type annotation
* feat: add type annotation support
* style: move compile method to vm closure
* feat: annotation for nullable
* feat: type coercion cast in annotation
* feat: actually cast(NOT TESTED)
* fix: allow single into(type)
* refactor: extract parse_type from parser
* style: cargo fmt
* feat: change to Expr to preserve location info
* feat: add CoprParse to deal parse check error
* style: add type anno doc for coprocessor
* test: add some test
* feat: add underscore as any type in annotation
* test: add parse& runtime testcases
* style: rm dbg! remnant
* style: cargo fmt
* feat: add more error prompt info
* style: cargo fmt
* style: add doc tests' missing `use`
* fix: doc test for coprocessor
* style: cargo fmt
* fix: add missing `use` for `cargo test --doc`
* refactor: according to reviews
* refactor: more tweaks according to reviews
* refactor: merge match arm
* refactor: move into different files(UNCOMPLELTE)
* refactor: split parse_copr into more function
* refactor: split `exec_coprocessor` to more fn
* style: cargo fmt
* feat: print Py Exceptions in String
* feat: error handling conform standards
* test: fix test_coprocessor
* feat: remove `into` in python
* test: remove all `into` in python test
* style: update comment
* refactor: move strip compile fn to impl Copr
* refactor: move `gen_schema` to impl copr
* refactor: move `check_cast_type` to impl copr
* refactor: if let to match
* style: cargo fmt
* refactor: better parse of keyword arg list
* style: cargo fmt
* refactor: some error handling(UNCOMPLETE)
* refactor: error handling to general Error type
* refactor: rm some Vec::new()
* test: modify all tests to ok
* style: reorder item
* refactor: fetch using iter
* style: cargo fmt
* style: fmt macro by hand
* refactor: rename InnerError to Error
* test: use ron to write test
* test: add test for exec_copr
* refactor: add parse_bin_op
* feat: add check_anno
* refactor: add some checker function
* refactor: exec_copr into smaller func
* style: add some comment
* refactor: add check for bin_op
* refactor: rm useless Result
* style: add pretty print for error with location
* feat: more info for pretty print
* refactor: mv pretty print to error.rs
* refactor: rm execute_script
* feat: add pretty print
* feat: add constant column support
* test: add test for constant column
* feat: add pretty print exec fn
* style: cargo fmt
* feat: add macro to chain call `.fail()`
* style: update doc for constant columns
* style: add lint to allow print in test fn
* style: cargo fmt
* docs: update some comment
* fix: ignore doctest for now
* refactor: check_bin_op
* refactor: parse_in_op, check ret anno fn
* refactor: rm check_decorator
* doc: loc add newline explain
* style: cargo fmt
* refactor: use Helper::try_into_vec in try_into_vec
* style: cargo fmt
* test: add ret anno test
* style: cargo fmt
* test: add name for .ron tests for better debug
* test: print emoji in test
* style: rm some comment out line
* style: rename `into` to `try_into` fn
* style: cargo fmt
* refactor: rm unuse serialize derive
* fix: pretty print out of bound fix
* fix: rm some space in pretty print
* style: cargo fmt
* test: not even a python fn def
* style: cargo fmt
* fix: pretty print off by one space
* fix: allow `eprint` in clippy lint
* fix: compile error after rebase develop
* feat: port 35 functions from DataFusion to Python Coprocessor (#137)
* refactor: `cargo clippy`
* feat: create a module
* style: cargo fmt
* feat: bind `pow()` function(UNTEST)
* test: add test for udf mod
* style: allow part eq not eq for gen code
* style: allow print in test lint
* feat: use PyObjectRef to handle more types
* feat: add cargo feature for udf modules
* style: rename feature to udf-builtins
* refactor: move away from mod.rs
* feat: add all_to_f64 cast fn
* feat: add bind_math_fn macro
* feat: add all simple math UDF
* feat: add `random(len)` math fn
* feat: port `avg()` from datafusion
* refactor: add `eval_aggr_fn`
* feat: add bind_aggr_fn macro
* doc: add comment for args of macro
* feat: add all UDAF from datafusion
* refactor: extract test to separate file
* style: cargo fmt
* test: add incomplete test
* test: add .ron test fn
* feat: support scalar::list
* doc: add comments
* style: rename VagueFloat/Int to LenFloat/IntVec
* test: for all fn(expect approx_median)
* test: better print
* doc: add comment for FloatWithError
* refactor: move test.rs out of builtins/
* style: cargo fmt
* doc: add comment for .ron file
* doc: update some comments
* test: EPS=1e-12 for float eq
* test: use f64::EPSILON instead
* test: change to 2*EPS
* test: cache interpreter for fast testing
* doc: remove a TODO which is done
* test: refacto to_py_obj fn
* fix: pow fn
* doc: add a TODO for type_.rs
* test: use new_int/float in test serde
* test: for str case
* style: cargo fmt
* feat: cast PyList to ScalarValue::List
* test: cast scalar to py obj and back
* feat: cast to PyList
* test: cast from PyList
* test: nested PyVector unsupported
* doc: remove unrunable doctest
* test: replace PartialEq with impl just_as_expect
* doc: add name for discord9's TODO
* refactor: cahnge to vm.ctx.new_** instead
* doc: complete a TODO
* refactor: is_instance and other minor problem
* refactor: remove type_::is_instance
* style: cargo fmt
* feat: rename to `greptime_builtin`
* fix: error handling for PyList datatype
* style: fix clippy warning
* test: for PyList
* feat: Python Coprocessor MVP (#180)
* feat: add get_arrow_op
* feat: add comparsion op(UNTESTED)
* doc: explain why no rich compare
* refactor: py_str2str&parse_keywords
* feat: add DecoratorArgs
* refactor: parse_keywords ret Deco Args
* style: remove unused
* doc: add todo
* style: remove some unused fn
* doc: add comment for copr's field
* feat: add copr_engine module
* refactor: move to `script` crate
* style: clean up cargo.toml
* feat: add query engine for copr engine
* refactor: deco args into separate struct
* test: update corrsponding test
* feat: async coprocessor engine
* refactor: add `exec_parsed` fn
* feat: sync version of coprocessor(UNTEST)
* refactor: remove useless lifetime
* feat: new type for async stream record batch
* merge: from PR#137 add py builtins
* toolchain: update rustc to nightly-08-16
* feat: add `exec_with_cached_vm` fn(Can't compile)
* toolchain: revert to 07-14
* fix: `exec_with_cached_vm`
* fix: allow vector[_] in params
* style: cargo fmt
* doc: update comment on `_`&`_|None`
* fix: allow import&ignore type anno is ok
* feat: allow ignore return types
* refsctor: remove unused py files in functions/
* style: fmt&clippy
* refactor: python modules (#186)
* refactor: move common/script to script
* fix: clippy warnings and refactor python modules
* refactor: remove modules mod rename tests mod
* feat: adds Script and ScriptEngine trait, then impl PyScript/PyScriptEngine
* refactor: remove pub use some functions in script
* refactor: python error mod
* refactor: coprocessor and vector
* feat: adds engine test and greptime.vector function to create vector from iterable
* fix: adds a blank line to cargo file end
* fix: compile error after rebase develop
* feat: script endpoint for http server (#206)
* feat: impl /scripts API for http server
* feat: adds http api version
* test: add test for scripts handler and endpoint
* feat: python side mock module and more builtin functions (#209)
* feat: add python side module(for both mock and real upload script)
* style: add *.pyc to gitignore
* feat: move copr decorator(in .py) to greptime.py
* doc: update comment for `datetime`&`mock_tester`&gitignore
* feat: `filter()` a array with bool array(UNTESTED)
* feat: `prev()`ious elem in array ret as new array(UNTEST)
* feat: `datetime()` parse date time string and ret integer(UNTEST)
* fix: add missing return&fmt
* fix: allow f32 cast to PyFloat
* fix: `datetime()`'s last token now parsed
* test: `calc_rvs` now can run with builtin module
* feat: allow rich compare which ret bool array
* feat: logic and(`&`) for bool array
* style: cargo fmt
* feat: index PyVector by bool array
* feat: alias `ln` as `log` in builtin modules
* feat: logic or(`|`)¬( `~`) for bool array
* feat: add `post` for @copr in py side mod
* feat: change datetime return to i64
* feat: py side mod `post` script to given address
* fix: add `engine` field in `post` in py side mod
* refactor: use `ConstantVector` in `pow()` builtin
* fix: prev ret err for zero array
* doc: rm comment out code
* test: incomplete pyside mod test case
* git: ignore all __pycache__
* style: fmt&clippy
* refactor: split py side module into exmaple&gptime
* feat: init_table in py using `v1/sql` api
* feat: calc_rvs now run both locally and remote
* doc: add doc for how to run it
* fix: comment out start server code in test
* fix: clippy warnings
* fix: http test url
* fix: some CR problems
* fix: some CR problems
* refactor: script executor for instance
* refactor: remove engine param in execute_script
* chore: Remove unnecessary allow attributes
Co-authored-by: Dennis Zhuang <killme2008@gmail.com>
Co-authored-by: Discord9 <discord9@163.com>
Co-authored-by: discord9 <zglzy29yzdk@gmail.com>
Co-authored-by: discord9 <55937128+discord9@users.noreply.github.com>
* wip: add Date type and value
* fix some cr comments
* impl Date values
* finish date type
* optimize Date value serialization
* add some tests
* fix some cr comments
* add some more test
* address PR comments
address PR comments
use 3306 for mysql server's default port
upgrade metric to version 0.20
move crate "servers" out of "common"
make mysql io threads count configurable in config file
add snafu backtrace for errors with source
use common-server error for mysql server
add test for grpc server
refactor testing codes
fix rustfmt check
start mysql server in datanode
move grpc server codes from datanode to common-servers
feat: unify servers
* rebase develop and resolve conflicts
* remove an unnecessary todo
Co-authored-by: luofucong <luofucong@greptime.com>
* catalog manager allocates table id
* rebase develop
* add some tests
* add some more test
* fix some cr comments
* insert into system catalog
* use slice pattern to simplify code
* add optional dependencies
* add sql-to-request test
* successfully recover
* fix unit tests
* rebase develop
* add some tests
* fix some cr comments
* fix some cr comments
* add a lock to CatalogManager
* feat: add gmt_created and gmt_modified columns to system catalog table
* SelectExpr: change to oneof expr
* Convert between Vec<u8> and SelectResult
* Chore: use encode_to_vec and decode, instead of encode_length_delimited_to_vec and decode_length_delimited
* Chore: move bitset into separate file
* Grpc select impl
* feat: impl TableManifest and refactor table engine, object store etc.
* feat: persist table metadata when creating it
* fix: remove unused file src/storage/src/manifest/impl.rs
* feat: impl recover table info from manifest
* test: add open table test and table manifest test
* fix: resolve CR problems
* fix: compile error and remove region id
* doc: describe parent_dir
* fix: address CR problems
* fix: typo
* Revert "fix: compile error and remove region id"
This reverts commit c14c250f8a.
* fix: compile error and generate region id by table_id and region number
* feat: add grpc impl
* feat: add grpc server
* some ut
* verson format: a.b
* code style
* admin request/response
* by cr
* admin api
* by cr
* chore: by cr
* chore: by cr
* Impl TableEngine, bridge to storage
* Impl sql handler to process insert sql
* fix: minor changes and typo
* test: add datanode test
* test: add table-engine test
* fix: code style
* refactor: split out insert mod from sql and minor changes by CR
* refactor: replace with_context with context
* feat: adds common-telemetry crate and logging mod
* refactor: common telemetry
* feat: adds metric mod and exports metrics by http
* feat: adds metrics to query engine and datanodes
* refactor: rename metrics
* refactor: rename ElapsedTimer struct and elapsed_timer macro
* refactor: log error when fail to new data node.
* fix: use backtrace crate instead of unstable feature
* feat: add must_use attr to Timer
* fix: only reserve Debug attribute for Timer
