Question

我正在尝试进行首先进行比较的查询第一个条件是比较现在和获取视图的最大年份view_delinquency_allquarter 然后，它将执行第一个查询否则第二个查询

BEGIN
IF 
    select max(ctaxyear) as ctaxyear,
        (select cast ( (SELECT EXTRACT(QUARTER FROM TIMESTAMP 'now()'))  as int ) as yearnow) as yearnow
    from view_delinquency_allquarter 
    where ctaxyear > year_next
THEN
   select * from view_delinquency_allquarter;
ELSE 
   select * from view_delinquency;
END IF;
END

Answer 1

有很多answers以及documentation使用declare var然后分配var := (your query result)

postgresql如果否则选择查询

1 个答案: