Method queryCount

library/src/main/java/com/sanders/db/DBProxy.java:350–353

查询数量 @param clazz @param where @param args @param @return

(Class<T> clazz, String where, String... args)

     * @return
     */
    public <T extends IDColumn> long queryCount(Class<T> clazz, String where, String... args) {
        ClassInfo<T> classInfo = getClassInfo(clazz);
        return queryCount(classInfo.getTableName(), where, args);
    }

    /**
     * 查询数量