* 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
* feat: add buffer abstraction and rewrite entry encode/decode process
* add some tests
* remove pad.rst
* fix some comments
* fix comments
* remove mmap mod
* feat: Bytes type implementation switch to bytes::Bytes
* fix: use Bytes::from(String) and Bytes::from(Vec<u8>)
* feat: add new method to Entry trait
* 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 scanning data from storage for MitoTable
* adds test mod to setup table engine test
* fix: comment error
* fix: boyan -> dennis in todo comments
* fix: remove necessary send in BatchIteratorPtr
* feat: Maintain last sequence in VersionControl
* refactor(recordbatch): Replace `Arc<Schema>` by SchemaRef
* feat: Memtable support filter rows with invisible sequence
* feat: snapshot wip
* feat: Implement scan for SnapshotImpl
* test: Add a test that simply puts and scans a region
* chore: Fix clippy
* fix(memtable): Fix memtable returning duplicate keys
* test(memtable): Add sequence visibility test
* test: Add ValueType test
* chore: Address cr comments
* fix: Fix value is not storing but adding to committed sequence
* 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
* add log store impl
* add some test
* delete failing test
* fix: concurrent close issue
* feat: use arcswap to replace unsafe AtomicPtr
* fix: use lock to protect rolling procedure.
fix: use try_recv to replace poll_recv on appender task.
* chores: 1. use direct tmp dir instead of creating TempDir instance; 2. inline some short function; 3. rename some structs; 4. optimize namespace to arc wrapper inner struct.
* chore(store-api): Fix typo in region comments
* feat(storage): Init storage crate
* feat(store-api): Make some method async
* feat(storage): Blank StorageEngine implementation
* feat(storage): StorageEngine returns owned SchemaRef
* feat: pub use arrow in datatypes
* feat(store-api): Implement RegionMetadata
* feat(storage): Impl create region in memory.
* chore(object-store): Format cargo toml
* chore(storage): Log on region created
* feat: Impl CowCell
* feat: Store id to cf meta mapping
* refactor: Refactor version and rename it to VersionControl
* feat: Impl write batch for put, refactor column family
* feat(storage): Skeleton of writing to memtable
* refactor(storage): MemTable returns MemTableSchema
* feat: Add ColumnSchema and conversion between schema and arrow's schema
* feat: Validate put data
* feat: Valid schema of write batch
* feat: insert memtable WIP
* feat: Impl Inserter for memtable
* feat(datatypes): Implement Eq/Ord for Value
feat: Implement Ord/Eq for Bytes/StringBytes and Deref for Bytes
test: Test Value::from()
* feat: Define BTreeMemTable
* Fix: Rename get/get_unchecked to try_get/get and fix get not consider null.
* feat: Impl BTreeMemTable::write()
* refactor: Remove useless ColumnFamilyHandle now
* chore: Clean comment
* feat(common): Add from `String/&str/Vec<u8>/&[u8]` for Value
* test(storage): Add tests for WriteBatch
* chore: Fix clippy
* feat: Add builder for RowKey/ColumnFamilyDescriptor
* test: Add test for metadata
* chore: Fix clippy
* test: Add test for region and engine
* chore: Fix clippy
* chore: Address CR comment
* feat: adds scalars mod and enhance vectors
* temp commit
* fix compile error
* Impl pow function with new udf framework
* Adds common-function crate and impl scalars function
* fix: remove used code
* test: adds test for function crate and refactor vectors
* fix: fmt style
* feat: impl numpy.clip function
* feat: improve clip function returning int64 type when arguments do not have float type
* feat: adds more test for vectors
* feat: adds replicate method test for primitive vector
* fix: by code review
* feat: clip function returns uint64 when all arguments type are unsigned
* refactor: improve vectors#only_null
* fix: clippy warning
* fix: clippy warning
* fix: clip should return float64 when arguments have both signed and unsigned types
* feat: impl object-store based on opendal
* feat: adds s3 test
* feat: export Layer
* feat: pass s3 access key/secret by env vars
* fix: logging when s3 test is running
* 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
