global class DeleteSObjectBatch implements Database.Batchable<sObject>, Database.Stateful{
    ////删除数据bacth 精琢技术 wql 2021/09/10 start
    public String query;

    global DeleteSObjectBatch(String sObjectName){
        this.query = 'select Id from '+sObjectName;
    }

    global DeleteSObjectBatch(String sObjectName,String whereName){
        this.query = 'select Id from '+sObjectName+' where '+whereName;
    }

    global Database.QueryLocator start(Database.BatchableContext bc) {
        system.debug('sql:'+query);
        return Database.getQueryLocator(query);
    }

    global void execute(Database.BatchableContext BC, list<Sobject> scope) {
        if(scope.size()>0){
            delete scope;
        }
    }
    global void finish(Database.BatchableContext BC) {
        
    }
    //删除数据bacth 精琢技术 wql 2021/09/10 end

}