即使任何人都没有值(value),我也想展示。SELECTtablesite.name,tablesite.family,tablesite.phone_number,COUNT(*)FROMtablesiteLEFTJOINactionONtablesite.id_user=action.service_provider_idWHEREaction.vote!=''ANDcustomer_comment=''GROUPBYnametheresultisthis.iwantallpersonsevenwithzerovalue.这是我的“tablesite”:这是表“action”: