add drop db stmt node type
add drop db stmt node type

malin1993ml/peloton,haojin2/peloton,PauloAmora/peloton,yingjunwu/peloton,PauloAmora/peloton,PauloAmora/peloton,malin1993ml/peloton,vittvolt/peloton,PauloAmora/peloton,haojin2/peloton,cmu-db/peloton,apavlo/peloton,seojungmin/peloton,vittvolt/peloton,cmu-db/peloton,PauloAmora/peloton,yingjunwu/peloton,vittvolt/peloton,yingjunwu/peloton,haojin2/peloton,malin1993ml/peloton,seojungmin/peloton,vittvolt/peloton,PauloAmora/peloton,haojin2/peloton,cmu-db/peloton,vittvolt/peloton,seojungmin/peloton,apavlo/peloton,cmu-db/peloton,apavlo/peloton,seojungmin/peloton,malin1993ml/peloton,haojin2/peloton,yingjunwu/peloton,cmu-db/peloton,haojin2/peloton,yingjunwu/peloton,malin1993ml/peloton,yingjunwu/peloton,apavlo/peloton,vittvolt/peloton,apavlo/peloton,seojungmin/peloton,apavlo/peloton,seojungmin/peloton,cmu-db/peloton,malin1993ml/peloton