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sql=   "select   distinctrow   sum(selection1)   as   sum_selection1,   "    
  sql=   sql   &   "sum(selection2)   as   sum_selection2,   sum(selection3)   as   sum_selection3,sum(selection4   )   as   sum_selection4,   "  
  sql=   sql   &   "sum(selection5)   as   sum_selection5,   count(*)   as   total_votes   "  
  sql=   sql   &   "from   vote;"  
  以上代码错在那？有什么语法错误？小虾等候大侠的赐教。  
  在线等。给100分  
 

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