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chore: update doc about compatibility changes #14260

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Jan 8, 2024
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chore: update doc about compatibility changes #14260

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17 changes: 9 additions & 8 deletions src/meta/README.md
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Expand Up @@ -77,14 +77,15 @@ To add a new feature(add new type or update an type), the developer should do:

The following is an illustration of current query-meta compatibility:

| `Meta\Query` | [0.7.59, 0.8.80) | [0.8.80, 0.9.41) | [0.9.41, 1.1.34) | [1.1.34, +∞) |
|:-----------------|:-----------------|:-----------------|:-----------------|:-------------|
| [0.8.30, 0.8.35) | ✅ | ❌ | ❌ | ❌ |
| [0.8.35, 0.9.23) | ✅ | ✅ | ✅ | ❌ |
| [0.9.23, 0.9.42) | ❌ | ✅ | ✅ | ❌ |
| [0.9.42, 1.1.32) | ❌ | ❌ | ✅ | ❌ |
| [1.1.32, 1.2.63) | ❌ | ❌ | ✅ | ✅ |
| [1.2.63, +∞) | ❌ | ❌ | ✅ | ✅ |
| `Meta\Query` | [0.7.59, 0.8.80) | [0.8.80, 0.9.41) | [0.9.41, 1.1.34) | [1.1.34, 1.2.287) | [1.2.287, +∞) |
|:------------------|:-----------------|:-----------------|:-----------------|:---------------|:-----------|
| [0.8.30, 0.8.35) | ✅ | ❌ | ❌ | ❌ | ❌ |
| [0.8.35, 0.9.23) | ✅ | ✅ | ✅ | ❌ | ❌ |
| [0.9.23, 0.9.42) | ❌ | ✅ | ✅ | ❌ | ❌ |
| [0.9.42, 1.1.32) | ❌ | ❌ | ✅ | ❌ | ❌ |
| [1.1.32, 1.2.63) | ❌ | ❌ | ✅ | ✅ | ❌ |
| [1.2.63, 1.2.226) | ❌ | ❌ | ✅ | ✅ | ❌ |
| [1.2.226, +∞) | ❌ | ❌ | ✅ | ✅ | ✅ |


## Compatibility between databend-meta
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2 changes: 1 addition & 1 deletion src/meta/client/src/lib.rs
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Expand Up @@ -85,7 +85,7 @@ pub static METACLI_COMMIT_SEMVER: LazyLock<Version> = LazyLock::new(|| {
/// - 2024-01-02: since 1.2.279:
/// Meta client: remove `Compatible` for KVAppError and MetaAPIError, added in `2023-02-16: since 0.9.41`
///
/// - 2024-01-07: since TODO
/// - 2024-01-07: since 1.2.287:
/// client: remove calling RPC kv_api() with MetaGrpcReq::GetKV/MGetKV/ListKV, kv_api only accept Upsert;
/// client: remove using MetaGrpcReq::GetKV/MGetKV/ListKV;
/// client: remove falling back kv_read_v1(Streamed(List)) to kv_api(List), added in `2023-10-20: since 1.2.176`;
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4 changes: 3 additions & 1 deletion src/meta/types/proto/meta.proto
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Expand Up @@ -218,7 +218,7 @@ service MetaService {
// General KV API for get, mget, list, and upsert;
// It is introduced to replace `WriteMsg` and `ReadMsg`.
//
// Since: 0.8.35; 2022-09-14
// 2022-09-14: since: 0.8.35
rpc KvApi(RaftRequest) returns (RaftReply);

// Handle application read request.
Expand All @@ -228,6 +228,8 @@ service MetaService {
// It returns a stream of `StreamItem`.
// - For single-reply request, the stream contains only one item, e.g. `Get`.
// - For multi-reply request, the stream contains multiple items, e.g. `MGet` and `List`.
//
// 2023-10-17: since 1.2.163
rpc KvReadV1(RaftRequest) returns (stream StreamItem);

// Export all meta data.
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