tidb

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## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) In TiDB ``` mysql> select round(119.00000000*41.18903250000*0.1402072262804424940061410765110833812375,2); +---------------------------------------------------------------------------------+ | round(119.00000000*41.18903250000*0.1402072262804424940061410765110833812375,2) | +---------------------------------------------------------------------------------+ |...

windtalker

selection failed with message Some columns of IndexHashJoin_45 cannot find the reference from its child(ren)

1

Please answer these questions before submitting your issue. Thanks! 1. Minimal reproduce step (Required) CREATE TABLE IF NOT EXISTS `t` ( `col1` varchar(4) NOT NULL , `col2` varchar(20) NOT NULL...

zhenemola

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) A bug observed in our customer's environment. Their disk is about to...

tiancaiamao

fix: faster two vector function save two loop

4

### What problem does this PR solve? This patch aim to faster two vector function save the one loop for each and fix one TODO. Reason: just saw some of...

yihong0618

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` set @@global.tidb_build_stats_concurrency=30; set @@global.tidb_build_sampling_stats_concurrency=30 show global variables like '%build%'; +------------------------------------------+-------+ |...

hawkingrei

**Disclaimer** The dates published in this issue are for planning purposes only. It is intended solely to help you plan your projects. A date that exists in the future should...

EmmaDuDu

`NULL_COL_IDS` is not filled when encode row to bytes

1

## Bug Report If `canSkip` return `true` here, colID will not append to `EncodeRowBuffer.ColIDs`. https://github.com/pingcap/tidb/blob/9f671d6299f903aa7672ac8c654d76151a497695/pkg/table/tables/tables.go#L821-L823 https://github.com/pingcap/tidb/blob/6da55fc2b45996abccf76d7f68ddbceabc05455f/pkg/util/rowcodec/row.go#L36-L52 https://github.com/pingcap/tidb/blob/6da55fc2b45996abccf76d7f68ddbceabc05455f/pkg/util/rowcodec/row.go#L174-L188

Lloyd-Pottiger

CTE can not be pushed down to tiflash

1

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) 1. import tpcds data 2. execute the following sql sql1: ```sql with...

xzhangxian1008

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` mysql -u root -h test-tongmu-tidb-0 -P 4000 -e "set global tidb_replica_read...

you06

Sync Load Panic: invalid memory address or nil pointer dereference

2

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) We found some panic logs from some clusters: ```log [2025/06/05 03:32:38.963 +00:00]...

0xPoe