zclllyybb issues

Results 35 issues of


                                            zclllyybb

[optimize](vectorization)Optimize to_string's performance.

## Problem summary When we call `DataType::to_string(IColumn, row_num)` for `column_const`, the code now would convert const column to full column. This is expensive and necessary. This pr removed it. ##...

kind/test

area/vectorization

[function](vec)use const_col to opt current functions.

## Proposed Changes before: ``` mysql [ssb]>select count(now()) from lineorder; +--------------+ | count(now()) | +--------------+ | 600037902 | +--------------+ 1 row in set (0.96 sec) ``` ``` mysql [ssb]>select count(curdate())...

area/sql/function

area/vectorization

[内容有误] 关于值类别的叙述有误

### 请选择： - [ ] 我正在着手修复这个问题 ### 我正在访问这个页面 https://oi-wiki.org/lang/value-category/#c17-%E5%B8%A6%E6%9D%A5%E7%9A%84%E6%96%B0%E5%8F%98%E5%8C%96 ### 我发现页面有这样的问题这一部分的叙述是完全错误的。首先，该部分将NRVO称为了RVO，并称其是标准的硬性规定。事实上，只有RVO是硬性规定。而之后对于临时量实质化的叙述又是完全不知所云的。

Content Bug / 页面内容有误

help wanted / 需要帮助

[test](rpc) test thrift rpc fail

## Proposed changes Issue Number: close #xxx ## Further comments If this is a relatively large or complex change, kick off the discussion at [[email protected]](mailto:[email protected]) by explaining why you chose...

[branch-2.1](grace-exit) BE gracefully exit when port conflicts (#31143)

## Proposed changes Issue Number: close #xxx https://github.com/apache/doris/pull/31143 ## Further comments If this is a relatively large or complex change, kick off the discussion at [[email protected]](mailto:[email protected]) by explaining why you...

[branch-2.1](tracing) Pick pipeline tracing and relative bugfix

## Proposed changes Issue Number: close #xxx cherry pick https://github.com/apache/doris/pull/31027, https://github.com/apache/doris/pull/31305 and https://github.com/apache/doris/pull/31357 ## Further comments If this is a relatively large or complex change, kick off the discussion at...

[Feature](pipeline) Trace pipeline schedule (part II) - illustrate demo

## Proposed changes Issue Number: close #xxx show file in https://ui.perfetto.dev/ like: ![image](https://github.com/apache/doris/assets/61408379/0e4bf9a4-8a53-48d0-9e88-9521352f0f47) ## Further comments If this is a relatively large or complex change, kick off the discussion at...

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