修改lib/query.py中grasp函数的select_regx #14
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… when the sql is like"select tb1.a, count(tb2.b) from tb1 left join tb2 on tb1.c = tb2.d where tb1.a = e group by tb1.a", it can't match more than one fields when having 'count()'.
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原来的select_regx无法正确匹配如"select abc, count(1) from table ……"、"select count(1) as a from table ……"的sql语句，会转换为"select * from table ……"，修改select_regx的正则表达式后正常。