Remove hashtable index from memtable#341
Open
cao1629 wants to merge 1 commit intooceanbase:masterfrom
Open
Conversation
Use btree as the sole index in ObQueryEngine. Add insert_or_get() to ObKeyBtree for atomic insert-or-get semantics. Fold hashtable-based create_kv/ensure_kv into btree-only path. Point lookups now go directly through ObQueryEngine::get() (btree lookup).
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Use btree as the sole index in ObQueryEngine. Add insert_or_get() to ObKeyBtree for atomic insert-or-get semantics. Fold hashtable-based create_kv/ensure_kv into btree-only path. Point lookups now go directly through ObQueryEngine::get() (btree lookup).
Task Description
Solution Description
Passed Regressions
Upgrade Compatibility
Other Information
Release Note