stdpain

phmap mix is a pretty good rehash function. In a multi-stage aggregation process I want to use different mix values. But I don't know how to generate a proper mix...

[Tool] update docker build file

3

## Why I'm doing: gcc-14 require C++14 so we should build gcc-10 firstly ## What I'm doing: Fixes #issue ## What type of PR is this: - [ ] BugFix...

[Enhancement] Optimize the performance of variables like variables.

3

## Why I'm doing: SQL: ``` select count(*) from (select * from supplier l join supplier r on l.s_suppkey=r.s_suppkey where l.s_name like concat('%',r.s_name, '%'))t; ``` | pattern | substring |...

[Enhancement] support adaptive partition hash join

4

## Why I'm doing: When the hash table is larger, the performance of outputting the right table is worse. In this PR, we achieve performance improvement by splitting the hash...

[Enhancement] support insert local exchange in parttern exchange->join

4

## Why I'm doing: ``` set hash_join_interpolate_passthrough=true; mysql> select count(lo_orderkey),count(y.k) from lineorder l right join ( select s_suppkey from supplier where s_suppkey < 2 ) r on l.lo_orderkey % 2...

Support Python UDF

4

## Feature request support Python UDF for starrocks grammar: extends the create function to support inline call ``` CREATE FUNCTION echo(int) RETURNS int properties( "symbol" = "add", "type" = "Python",...

[BugFix] Fix unsupported nestloop null-aware left anti join

3

## Why I'm doing: ## What I'm doing: 1. support null-aware left anti join in nest loop join 2. fix wrong plan when push down predicate to null-aware left anti...

[Enhancement] be support call gcore when query unexpected timeout

1

## Why I'm doing: ## What I'm doing: Fixes #issue ## What type of PR is this: - [x] BugFix - [ ] Feature - [ ] Enhancement - [...

[Enhancement] release spill operator memory in advance

4

## Why I'm doing: I observed significantly higher-than-expected memory usage when testing group execution with spill joins. I ultimately pinpointed the issue to the spiller failing to release memory promptly....