Zhou Kunqin comments

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                                            Zhou Kunqin

第二次无法运行

我这升级 wine 4.19 之后似乎可以正常运行了，原因不明

第二次无法运行

@wangborong12345 我后来按照 README 换成 deepin-wine 之后就再也没出过这个问题了。换成 deepin-wine 之前全靠运气，有时候一更新突然就好了，有时候突然又不行了。

understand-tidb: add rbo section

@winoros Updated. PTAL~

Write down the first version of Rule-based Optimization section

@tisonkun I'll write for this section. Please assign this to me~

parser, planner: add query block level `no_decorrelate` hint (#37633)

/run-mysql-test

preprocessor, planner: inline processing by default for single-consumer cte

/run-check_dev_2

IndexMerge is inapplicable

For now, tidb can only generate IndexMerge path when the conditions for indexes are directly connected by `or`, and can't generate an IndexMerge path for `(a=1 and b=1) or (a=1...

planner, stats: reduce the persist memory usage of stats after startup

> Should `tryAutoAnalyzeTable()` also be updated? Looks like it should use `HasAnalyzed` to check if a new index hasn't been analyzed yet. And also the newly introduced `checkIndexesNeedAnalyze()`.

Support the SQL:2008 Standard `OFFSET m ROWS FETCH FIRST n ROWS` clause

After discussion with kennytm, I'll only support `FETCH { FIRST | NEXT } [ n ] { ROW | ROWS } ONLY` part in #985 for now because it seems...