MySQL slow in 447

[wangzy1976]

The sql access mysql in 447 is too slow , after replace the mysql driver from 8.4.0 to 8.3.0 , the issue dispear.

[ebyhr]

cc: @wendigo @hashhar

[wendigo]

@wangzy1976 please elaborate on the "slow" part i.e. by including benchmark results.

[wangzy1976]

• 447.with.mysql8.3.0-1.json

the sql execute less than 4s using 447 with mysql8.3.0 driver ; 445 / 446 is the same time

• 447.with.mysql8.4.0-1.json

the sql execute 57s using 447 with mysql8.4.0 driver