Yingwen

Adds --version command line option

4

### What type of enhancement is this? API improvement ### What does the enhancement do? Displaying the binary version by passing `--version` to the `greptime` command, which is more convenient...

Support SHOW CREATE TABLE

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### What problem does the new feature solve? Support the `SHOW CREATE TABLE tbl_name` statement, so we could inspect the `CREATE TABLE` statement for a table via the MySQL client....

Tracking issue for altering table schema

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Currently we have not yet fully implemented the procedure of altering the schema of a table, which is necessary to support things like SQL DDL, opentsdb protocol. This is a...

Consider whether the protobuf optional feature is required

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The optional feature is only available in newer `protoc` releases, only the latest Linux distribution can install them via the package manager. This is a little bit inconvenient since some...

Now the column added without explicit nullable constraint is non null ``` mysql> ALTER TABLE monitor ADD COLUMN memory DOUBLE; ERROR 1815 (HY000): Failed to execute query: ALTER TABLE monitor...

We need to handle the error during altering table properly, and guarantee the alteration would eventually complete - Failure during altering the region - Restart occurs during altering the table...

feat: Implements PrimitiveType and PrimitiveVector for datatypes2

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I hereby agree to the terms of the [GreptimeDB CLA](https://gist.github.com/xtang/6378857777706e568c1949c7578592cc) ## What's changed and what's your intention? This PR implements PrimitiveType and PrimitiveVector for `datatypes2` crate. - Renames the `Primitive`...

File object store should write to a temp file and rename it later

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### What type of enhancement is this? API improvement ### What does the enhancement do? File object store should write to a temp file and rename it later, ensuring the...

Storage engine should support delete

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### What problem does the new feature solve? Now our storage engine only supports put but doesn't allow deleting a row. ### What does the feature do? Implements a `delete()`...

### What problem does the new feature solve? This is a tracking issue for implementing delete for greptiimedb, also solves #614 ### What does the feature do? The final goal...