1. 使用set命令,设置参数
hive>set XYZ=abc
hive>select * from t1 where line = '${hiveconf:XYZ}'
等价于
hive>set XYZ=’abc‘
hive>select * from t1 where line = ${hiveconf:XYZ}
2.以hive --hiveconf XYZ=abc启动
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hive>set XYZ
输出abc
hive>select * from t1 where line = ${hiveconf:XYZ}
查询line列为abc的记录