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Lynn

Local reads via Stale Reads do not work

> @Tema What are the labels for TiDB nodes? There is no documentation at present, please refer to the example in the test: https://github.com/pingcap/tidb/pull/19212/files#diff-373f5578b8f362a364b50b0d01919a57da64c128547ca10d49df8ae422237c82R215 In addition, how to configure the...

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

/retest

tidb 和 tikv 的配置文件中 labels 没有在文档中说明

Thanks.

table field desc not clear here?

The information in this table is actually obtained by accessing `/pd/api/v1/stats/region? start_key=%s&end_key=%s`. But I didn't find the relevant documents. I asked @rleungx , and the unit was MB.

The column value changes unexpectedly after DDL

Case1: ``` set @@sql_mode='STRICT_TRANS_TABLES'; drop table if exists t1; create table t1(a int); insert into t1 values(1); alter table t1 add column(b tinyint default '11111111'); ``` Case2: ``` set @@sql_mode='';...

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

UT failed because encountered this issue: https://github.com/pingcap/tidb/issues/51289.

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

/retest-required

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

PTAL @tangenta @CbcWestwolf

*: add data type default values

> Looking at [`getFuncCallDefaultValue()`](https://github.com/pingcap/tidb/blob/0878b1518afc9354ddc08a94381bcfd34bd7f24b/pkg/ddl/ddl_api.go#L1286) it looks like these are supported: > > * `CURRENT_TIMESTAMP()`, > * `CURRENT_DATE()` > * `NEXTVAL()` > * `RAND()` > * `UUID()` > * `UUID_TO_BIN()` >...