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count(*) count(1)哪个更快？

count(*) count(1)哪个更快？

团队 code review 时，一位同事把 count(*...

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dongdamen {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} hongguoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
beigangxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} hongguoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
huangpuqu {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} hongguoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
caotangzhen {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} hongguoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
chexiuxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} hongguoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
jiyuanzhen {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} hongguoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}