Comments (1)
There are both hashtable and btree in memtable.
When it's necessary to iter btree to find the data, scan_forward will build the path (from root to leaf node) for btree iterator.
code link
https://github.com/oceanbase/oceanbase/blob/master/src/storage/memtable/mvcc/ob_keybtree.cpp#L656
from oceanbase.
Related Issues (20)
- [Bug]: `stddev_pop()` 返回了预期之外的NULL HOT 1
- [Bug]: `truncate`返回了预期之外的类型,导致`select distinct`出现预期之外的结果 HOT 1
- [Bug]: EntityFrameworkCore无法写入数据 HOT 7
- [Bug]: 当JDBC预编译参数值全为 null 时必报错:com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure HOT 7
- [Bug]: 设置集群变量progressive_merge_num报错4016 HOT 2
- [Feature]: 【MySQL兼容】【8.0】【obmysql_table】创建分区表,更改分区表分区段列名,ob正常修改,mysql8.0报错不支持更改
- [Feature][mysql][兼容性]:不支持在单个语句中添加列并使其成为外键
- [Bug]: `select count()` 有概率出现预期之外的结果 HOT 1
- [Bug]: `union all` 不同的类型时,`to_base64(NULL)` 有时会得到错误的结果 HOT 1
- [Question]: 求教:为什么OceanBase建议使用业务字段做(联合)主键,不建议使用自增列做主键 ? HOT 12
- [Bug]: only one auto-increment column permitted(ret=-4016)
- [Bug]: `SELECT DISTINCT` `RIGHT` 函数出现预期之外的结果 HOT 1
- [Bug]: 含有 `ORDER BY` 子句时有时没有正确排序 HOT 1
- [Bug]: `ROUND` 的第二个参数为负数时可能导致错误结果 HOT 1
- [Bug]: `sum` 可能导致错误结果 HOT 1
- [Bug]: alter table rowkey column to varchar(10000) is allowed
- 迪聚海思手术麻醉信息系统 HOT 1
- CREATE TABLE / ALTER TABLE 中 auto_increment_cache_size 语法报错 HOT 2
- [Feature]: skyingworking的使用 HOT 18
- [Bug]: confusing error message when load insert into a table with a unique index
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.
from oceanbase.