Lei, HUANG

Results 32 issues of Lei, HUANG

# Which issue does this PR close? Closes #2709. # Rationale for this change Current branch `arrow2` is still using arrow2 version `v0.10` and falls far behind the latest version...

ballista
datafusion

### What type of enhancement is this? Configuration ### What does the enhancement do? In standalone mode, there is no need to start MySQL server in both frontend and datanode....

enhancement
good first issue

After some discussion, we came to a concensus that all protocol-related logic should be migrated to frontend, including SQL, InfluxDB line protocol, etc. Frontend communicates with datanode thru our gRPC...

help wanted
WIP
tracking issue

Like MySQL's `mysqldump`/`mysqlcheck`, we need to provide a set of executable utlities for functionalities like: - WAL dump & repair @v0y4g3r - Read manifest file of tables - Backup database...

tracking issue

Add opendal accessor support for KvBackend

## Background Currently `TableId` is an alias of `u32`, and forms the most significant 32 bits of region id. But generating monotonously increasing table id requires extra API for metasrv....

enhancement

## Background In standalone mode, datanode creates system table and regions during it's first startup, and registers these tables to catalog. But in distributed mode, all regions of system tables...

enhancement
help wanted
tracking issue

`PrimitiveVector` contains a primitive array, but the logical data type of vector may differ from it's internal array, for example, `DateVector` is represented by a `Int32Vector`, but the logical type...

enhancement
WIP

I hereby agree to the terms of the [GreptimeDB CLA](https://gist.github.com/xtang/6378857777706e568c1949c7578592cc) ## What's changed and what's your intention? - Implement alter table in distributed mode - Rename `common/insert` crate to `common/gprc-expr`...