refactor: minor update #34

Job	Run time
Toml Check	3m 10s
Check License Header	1m 16s
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	13m 8s
Build GreptimeDB binaries (ubuntu-20.04)	14m 20s
Check (windows-2022)	13m 22s
Check typos and docs	6s
Check (ubuntu-20.04)	9m 24s
Clippy	9m 59s
Rustfmt	1m 17s
coverage	0s
Fuzz Test (Distributed, Disk) (fuzz_create_table)	14m 24s
Fuzz Test (Distributed, Disk) (fuzz_alter_table)	13m 9s
Fuzz Test (Distributed, Disk) (fuzz_create_database)	12m 49s
Fuzz Test (Distributed, Disk) (fuzz_create_logical_table)	13m 44s
Fuzz Test (Distributed, Disk) (fuzz_alter_logical_table)	13m 35s
Fuzz Test (Distributed, Disk) (fuzz_insert)	13m 6s
Fuzz Test (Distributed, Disk) (fuzz_insert_logical_table)	14m 34s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	16m 28s
Fuzz Test (fuzz_create_table)	11m 3s
Sqlness Test (ubuntu-20.04)	2m 20s
Sqlness Test with Kafka Wal (ubuntu-20.04)	3m 22s
Fuzz Test (fuzz_alter_table)	10m 49s
Fuzz Test (fuzz_create_database)	10m 22s
Fuzz Test (fuzz_create_logical_table)	10m 57s
Fuzz Test (fuzz_alter_logical_table)	10m 53s
Fuzz Test (fuzz_insert)	10m 45s
Fuzz Test (fuzz_insert_logical_table)	10m 50s
	4h 19m 12s

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