Add test case for type cast in expressions
Add test case for type cast in expressions

cmu-db/peloton,cmu-db/peloton,apavlo/peloton,apavlo/peloton,malin1993ml/peloton,yingjunwu/peloton,cmu-db/peloton,apavlo/peloton,cmu-db/peloton,malin1993ml/peloton,apavlo/peloton,yingjunwu/peloton,malin1993ml/peloton,apavlo/peloton,yingjunwu/peloton,yingjunwu/peloton,malin1993ml/peloton,yingjunwu/peloton,cmu-db/peloton,yingjunwu/peloton,malin1993ml/peloton,cmu-db/peloton,apavlo/peloton,malin1993ml/peloton