Sam*_*mir 3 json object-construction snowflake-cloud-data-platform
以下雪花查询返回 JSON 结构,但输出按键排序。如何不按键排序但保留顺序?是否有什么参数需要设置?
select
object_construct
(
'entity', 'XYZ',
'allowed', 'Yes',
'currency', 'USD',
'statement_month','July, 2020'
)
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输出:--按键排序
{
"allowed": "Yes",
"currency": "USD",
"entity": "XYZ",
"statement_month": "July, 2020"
}
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预期输出:--与指定的顺序相同
{
"entity": "XYZ",
"allowed": "Yes",
"currency": "USD",
"statement_month": "July, 2020"
}
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JSON 是名称和值的无序集合。JSON 无法保证顺序。
构造的对象不一定保留键值对的原始顺序。
你可以像下面这样做
SELECT mytable:entity::string as entity,
mytable:allowed::string as allowed,
mytable:currency::string as currency,
mytable:statement_month::string as statement_month
from
(select
object_construct
(
'entity', 'XYZ',
'allowed', 'Yes',
'currency', 'USD',
'statement_month','July, 2020'
) mytable);
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