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[英]Parsing JSON value in a Snowflake Variant column to multiple columns based on condition
[英]Snowflake parsing JSON and add aggrate column
有一个 json 字段
[
{'id':'1', 'name':'test1', 'address':'123 Main St'},
{'id':'1', 'name':'test2', 'address':'1404 Burke St'}
]
这就是记录到达的方式,我想解析 json 并添加额外的列,该列将告诉它是第一条记录还是第二条记录
到目前为止我有:
select to_variant(parse_json(column)):id, to_variant(to_json(column)):name, to_variant(to_json(column)):address from the table
但无法添加订单栏
你能尝试这样的事情吗?
select json.index + 1 record_no, json.value:id id, json.value:name name , json.value:address address from
(
select parse_json($$ [ {'id':'1', 'name':'test1', 'address':'123 Main St'},
{'id':'1', 'name':'test2', 'address':'1404 Burke St'} ] $$) c1
),
lateral flatten( parse_json(c1 )) json;
+-----------+-----+---------+-----------------+
| RECORD_NO | ID | NAME | ADDRESS |
+-----------+-----+---------+-----------------+
| 1 | "1" | "test1" | "123 Main St" |
| 2 | "1" | "test2" | "1404 Burke St" |
+-----------+-----+---------+-----------------+
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