[英]Apex 4.2.4 conditional LOV
Trying this conditional query, but getting an error that it should start from 'select'. 尝试此条件查询,但收到一条错误消息,该错误应从“选择”开始。 How am I supposed to use conditions? 我应该如何使用条件?
You could use a conditional concatenated query: 您可以使用条件级联查询:
SELECT name display, name return_value
FROM ns1
WHERE "type" = :P5_REC_TYPE_ID
AND :P5_NS_ID IS NULL
UNION ALL
SELECT name display, name return_value
FROM ns2
WHERE "type" = :P5_REC_TYPE_ID
AND :P5_NS_ID IS NOT NULL
Replace IS NULL
/ IS NOT NULL
with the appropriate logical test. 用适当的逻辑测试替换IS NULL
/ IS NOT NULL
。
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