创建动态分区时Number of reduce tasks is set to 0 since there‘s no reduce operator

创建动态分区时卡住不动，显示Number of reduce tasks is set to 0 since there‘s no reduce operator
原因：yarn集群的资源管理器没有启动成功
解决：start-yarn.sh

插入动态分区时：contains non-partition columns (state=42000,code=40000)

原因：应该是语句写错了
解决：重写了分区语句又对了