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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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maodouxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} zhexiaoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
hailingqu {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} zhexiaoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
zhongzhouxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} zhexiaoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
xianggouzhen {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} zhexiaoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
baiyuanzhen {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} zhexiaoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}
gebuxiang {dede:channel2 row='1'}
{/dede:channel2} {dede:channel2 type='son'} zhexiaoxiang_亚洲鹰陶瓷(asiaeagle.cn) {/dede:channel2} {dede:channel2 row='1'}
{/dede:channel2}