Runji Wang comments

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                                            Runji Wang

executor: panic on always false filter

Resolved as we already have a schema for all plan nodes.

optimizer: add property `sorted` to plan nodes

In the new planner, this can be implemented as an [analysis](https://docs.rs/egg/latest/egg/trait.Analysis.html). The associated data could be `Vec`. After this is done, we could have sort-merge-join and sort-group-agg.

讨论区：在 Rust 中用 GAT 手动实现零开销 async trait

对于文中举的 async iterator 的例子，这里再给出一种基于 Stream 和 generator 的更简单写法： ```toml # Cargo.toml [dependencies] futures = "0.3" futures-async-stream = "0.2" tokio = { version = "1", features = ["rt", "macros"] } ```...

Why use UPIntrFreeCell to manage global resources instead of UPSafeCell?

cc @wyfcyx

Don`t see load EFI Program Data in page_table/map_segment

Good question! The kernel ELF is loaded to the physical memory with page aligned, then the program data in ELF can be directly mapped to the virtual memory without copy.

Update deps

Could you take a look at the CI result? The build seems to be broken on some platforms.

chore(deps): update librdkafka to v2.3.0

Please have a quick review on the upstream [changelog](https://github.com/confluentinc/librdkafka/releases/tag/v2.3.0). Especially for this section, to make sure there will be no side-effect on us: ``` Upgrade considerations retry.backoff.ms: If it is...

Runji Wang