张林伟

Results 43 issues of 张林伟

# Which issue does this PR close? # Rationale for this change # What changes are included in this PR? # Are there any user-facing changes?

Hi, team Could you create a branch to track latest bevy main branch? I tried myself https://github.com/lewiszlw/bevy_rapier/tree/bevy_track, but there are blocks for me and I don't have enough knowledge to...

## Which issue does this PR close? Closes https://github.com/apache/datafusion/issues/10175. ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are there...

api change
sql
logical-expr
physical-expr
optimizer
core

## Which issue does this PR close? Closes todo. ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are there...

core
sqllogictest

We should use direct io to avoid os cache which is duplicated with buffer pool. https://users.rust-lang.org/t/how-does-rust-use-directio/93210/3 https://stackoverflow.com/questions/50879965/does-rusts-standard-library-support-direct-io-file-access

https://zhenghe.gitbook.io/open-courses/cmu-15-445-645-database-systems/join-algorithms#sort-merge-join

https://zhenghe.gitbook.io/open-courses/cmu-15-445-645-database-systems/join-algorithms#index-nested-loop-join

https://github.com/tokio-rs/bytes