record key与hoodie key
hudi支持数据更新,在upsert语义下,需要用记录级别的主键来表示每行数据的唯一性。主键是由record key和分区路径共同构成的 record key:记录键,分区下唯一,当为非分区表时等同于主键,虽然在源码中声明了a recordKey that acts as primary key fo…
天天酷跑2.0版本:2.0
游戏背景设置 Start importing material (background picture)
#include <graphics.h>Create a graph window and define macros for the window #define WIN_WINDTH 1012#define WIN_HEIGHT 396initgraph(WIN_WINDTH, WIN_HEIGHT);Imp…