Lynn

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` create table t ( d json); insert into t values ('{\"abcABC一二三abcABC\":...

tidb 和 tikv 的配置文件中 labels 没有在文档中说明

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## Change Request **This repository is ONLY used to solve problems related to DOCS-CN. For other issues (TiDB, TiKV, etc), please move to [other repositories](https://github.com/pingcap/).** Please answer the following questions...

ddl: data type default values support `STR_TO_DATE('1980-01-01','%Y-%m-%d')`

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### What problem does this PR solve? Issue Number: close https://github.com/pingcap/tidb/issues/51276 Problem Summary: ### What changed and how does it work? ### Check List Tests - [x] Unit test -...

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` create table t5 (c int(10), c1 json default null); insert into...

## Feature Request **Is your feature request related to a problem? Please describe:** Replace Oracle's functions with some of mysql's own expression functions. **Describe the feature you'd like:** Currently, only...

parser, ddl: data type default values support `DATE_FORMAT(NOW(),'%Y-%m...')`

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### What problem does this PR solve? Issue Number: close https://github.com/pingcap/tidb/issues/51031 Problem Summary: * Data type default values support `DATE_FORMAT(NOW(),'%Y-%m...')` ### What changed and how does it work? ### Check...

*: add data type default values

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### First-time contributors' checklist - [ ] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) ###...

ddl: fix the issue about create columns with wrong default when sql_mode is empty.

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### What problem does this PR solve? Issue Number: close https://github.com/pingcap/tidb/issues/52972, close https://github.com/pingcap/tidb/issues/51320 Problem Summary: ### What changed and how does it work? ### Check List Tests - [x] Unit...

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` set @@sql_mode=''; drop table if exists t1; create table t1(b tinyint...