我希望允许过滤步骤为可选,但如果我留空 query 字段,则会收到错误:
---[params]
--- string :query = '%'
select uh.details
from user_histories uh
where uh.details like case
when :query is not null then '%' || :query || '%'
else '%'
end
limit 5
错误:DataExplorer::ValidationError: 缺少类型为 string 的参数 query