[英]How to include attribute created by CASE WHEN in the WHERE clause in HIVE?
这是问题的一个简单示例:
SELECT CASE WHEN a = 5 THEN 0 ELSE 1 END AS x
FROM table
WHERE x = 0;
我将收到一条错误消息,指出 x 不在可能的列名中。 谁能告诉我如何解决这个问题?
SELECT
CASE WHEN a = 5 THEN 0
ELSE 1
END AS x FROM table
WHERE
CASE WHEN a = 5 THEN 0
ELSE 1
END=0
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