Mysql BigQuery语法错误
我在BigQuery中遇到以下错误: 错误:语法错误位于:2:1,应为:查询结束,但得到:CASE 我使用的查询是:Mysql BigQuery语法错误,mysql,google-bigquery,Mysql,Google Bigquery,我在BigQuery中遇到以下错误: 错误:语法错误位于:2:1,应为:查询结束,但得到:CASE 我使用的查询是: SELECT DISTINCT CASE WHEN t1.x<=t2.x THEN t1.x ELSE t2.x END id1, CASE WHEN t1.x<=t2.x THEN t2.x ELSE t1.x
SELECT DISTINCT
CASE
WHEN
t1.x<=t2.x
THEN
t1.x
ELSE
t2.x
END id1,
CASE
WHEN
t1.x<=t2.x
THEN
t2.x
ELSE
t1.x
END id2
FROM test1 t1
CROSS JOIN test1 t2
WHERE NOT t1.x = t2.x
在mysql中工作,但在BigQuery中不工作。我认为BigQuery不支持SELECT DISTINCT。而是使用子查询和分组依据:
我认为Bigquery不支持SELECT DISTINCT。而是使用子查询和分组依据:
如果您将END id1更改为END id1,它是否会更改任何内容?如果您将END id1更改为END id1,它是否会更改任何内容?
SELECT id1, id2
FROM (SELECT (CASE WHEN t1.x <= t2.x THEN t1.x ELSE t2.x END) as id1,
(CASE WHEN t1.x <= t2.x THEN t2.x ELSE t1.x END) as id2
FROM test1 t1 CROSS JOIN
test1 t2
WHERE NOT t1.x = t2.x
) t
GROUP BY id1, id2;