* refactor: bring metrics to http output
* chore: remove unwrap
* chore: make walk plan accumulate
* chore: change field name and comment
* chore: add metrics to http resp header
* chore: move PrometheusJsonResponse to a separate file and impl IntoResponse
* chore: put metrics in prometheus resp header too
* feat: let TypeConversionRule aware query context timezone setting
* chore: don't optimize explain command
* feat: parse string into timestamp with timezone
* fix: compile error
* chore: check the scalar value type in predicate
* chore: remove mut for engine context
* chore: return none if the scalar value is utf8 in time range predicate
* fix: some fixme
* feat: let Date and DateTime parsing from string value be aware of timezone
* chore: tweak
* test: add datetime from_str test with timezone
* feat: construct function context from query context
* test: add timezone test for to_unixtime and date_format function
* fix: typo
* chore: apply suggestion
* test: adds string with timezone
* chore: apply CR suggestion
Co-authored-by: Lei, HUANG <6406592+v0y4g3r@users.noreply.github.com>
* chore: apply suggestion
---------
Co-authored-by: Lei, HUANG <6406592+v0y4g3r@users.noreply.github.com>
* refactor(metrics): add 'greptimedb_' prefix for every metrics
* chore: use 'greptime_' as prefix
* chore: add some prefix for new metrics
* chore: fix format error
* fix: fix heartbeat handler ignore upgrade candidate instruction
* fix: fix handler did not inject wal options
* feat: expose `RegionMigrationProcedureTask`
* feat(tests-integration): add a naive region migration test
* chore: apply suggestions from CR
* feat: add test if the target region has migrated
* chore: apply suggestions from CR
* feat: remote write metric task
* chore: pass stanalone task to frontend
* chore: change name to system metric
* fix: add header and rename to export metrics
* refactor: open regions in background
* feat: add status code of RegionNotReady
* feat: use RegionNotReady instead of RegionNotFound for a registering region
* chore: apply suggestions from CR
* feat: add status code of RegionBusy
* feat: return RegionBusy for mutually exclusive operations
* refactor: refactor wal config
* test: update tests related to wal
* feat: introduce kafka wal config
* chore: augment proto with wal options
* feat: augment region open request with wal options
* feat: augment mito region with wal options
* feat: augment region create request with wal options
* refactor: refactor log store trait
* feat: add skeleton for kafka log store
* feat: generalize building log store when starting datanode
* feat: integrate wal options to region write
* chore: minor update
* refactor: remove wal options from region create/open requests
* fix: compliation issues
* chore: insert wal options into region options upon initializing region server
* chore: integrate wal options into region options
* chore: fill in kafka wal config
* chore: reuse namespaces while writing to wal
* chore: minor update
* chore: fetch wal options from region while handling truncate/flush
* fix: region options test
* fix: resolve some review conversations
* refactor: serde with wal options
* fix: resolve some review conversations
* feat: introduce wal config and kafka config
* feat: introduce kafka topic manager and selector
* feat: introduce region wal options
* chore: build region wal options upon starting meta srv
* feat: integrate region wal options allocator into table meta allocator
* chore: add wal config to metasrv.example.toml
* chore: add region wal options map to create table procedure
* feat: augment region create request with wal options
* feat: augment DatanodeTableValue with region wal options map
* chore: encode region wal options upon constructing table creator
* feat: persist region wal options when creating table meta
* fix: sqlness test
* chore: set default wal provider to raft-engine
* refactor: refactor wal options
* chore: update wal options allocator
* refactor: rename region wal options to wal options
* chore: update usages of region wal options
* chore: add some comments to kafka
* chore: fill in kafka config
* test: add tests for serde wal config
* test: add tests for wal options
* refactor: refactor wal options allocator to enum
* refactor: store wal options into the request options instead
* fix: typo
* fix: typo
* refactor: move wal options map to region info
* refactor: refacto serialization and deserialization of wal options
* refactor: use serde_json to encode wal options
* chore: rename wal_options_map to region_wal_options
* chore: resolve some review comments
* fix: typo
* refactor: replace kecab-case with snake_case
* fix: sqlness and converage tests
* fix: typo
* fix: coverage test
* fix: coverage test
* chore: resolve some review conversations
* fix: resolve some review conversations
* chore: format comments in metasrv.example.toml
* chore: update import style
* feat: integrate wal options allocator to standalone mode
* test: add compatible test for OpenRegion
* test: add compatible test for UpdateRegionMetadata
* chore: remove based suffix from topic selector type
* feat: add build function and register it
build() function to return the database build info #2909
* refactor: fix typos and change code structure
* test: add test for build()
* refactor: cargo fmt and eliminate warnings
* Apply suggestions from code review
Co-authored-by: Weny Xu <wenymedia@gmail.com>
* refactor: move system.sql to a new directory
---------
Co-authored-by: Weny Xu <wenymedia@gmail.com>
* refactor: use downgrading the region instead of closing region
* feat: enhance the tests for alive keeper
* feat: add a metric to track region lease expired
* chore: apply suggestions from CR
* chore: enable logging for test_distributed_handle_ddl_request
* refactor: simplify lease keeper
* feat: add metrics for lease keeper
* chore: apply suggestions from CR
* chore: apply suggestions from CR
* chore: apply suggestions from CR
* refactor: move OpeningRegionKeeper to common_meta
* feat: register operating regions to MemoryRegionKeeper
* chore: add logs and metrics
* feat: add the timer to track heartbeat intervel
* feat: add the gauge to track region leases
* refactor: use gauge instead of the timer
* chore: apply suggestions from CR
* feat: add hit rate and etcd txn metrics
