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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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pingfangxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} yandixiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
raohexian {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} yandixiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
jiangxinxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} yandixiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
tianpuxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} yandixiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
jinquxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} yandixiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
haomenzhen {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} yandixiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}