我正在获取SQLXML结果集,作为从数据库执行存储过程形状调用的MS SQL存储过程的输出。
SQLXML结果集如下:
<xmlcontent>
<field1>val1</field1>
<field2>val2</field2>
<field3>val3</filed3>
</xmlcontent>
<xmlcontent>
<field1>val1</field1>
<field2>val2</field2>
<field3>val3</filed3>
</xmlcontent>
<xmlcontent>
<field1>val1</field1>
<field2>val2</field2>
<field3>val3</filed3>
</xmlcontent>
但是,有效负载有点奇怪,因为它包含长度为2033的XML输出,然后作为数组元素重复进行,直到有效负载用尽。带有有效载荷的变换形状输出显示:
{
"resultSet1": [
{
"XML_F52E2B61-18A1-11d1-B105-00805F49916B": "<xmlcontent><field1/><field2/><field3/>" --this content is of size 2033 max
},
{
"XML_F52E2B61-18A1-11d1-B105-00805F49916B": "</xmlcontent><xmlcontent><field1/><fiel" --this content is of size 2033 max
},
{
"XML_F52E2B61-18A1-11d1-B105-00805F49916B": "d2/><field3/><xmlcontent>"
}
]
}
我正在考虑使用另一个变换形状从结果集1数组中附加“ XML_F52E2B61-18A1-11d1-B105-00805F49916B”的值,然后转换为JSON。数据编织中是否有一种方法可以简化此方法以获得最终的JSON输出,如下所示?
[
{
"field1": "val1",
"field2": "val2",
"field3": "val3"
},
{
"field1": "val1",
"field2": "val2",
"field3": "val3"
},
{
"field1": "val1",
"field2": "val2",
"field3": "val3"
}
]
答案 0 :(得分:0)
输入:
{
"resultSet1": [
{
"XML_F52E2B61-18A1-11d1-B105-00805F49916B": "<xmlcontent><field1>val1</field1><field2>val2</field2><field3>val3</field3>"
},
{
"XML_F52E2B61-18A1-11d1-B105-00805F49916B": "</xmlcontent><xmlcontent><field1>val1</field1><fiel"
},
{
"XML_F52E2B61-18A1-11d1-B105-00805F49916B": "d2>val2</field2><field3>val3</field3></xmlcontent>"
}
]
}
脚本:
%dw 2.0
output application/json
var id='XML_F52E2B61-18A1-11d1-B105-00805F49916B'
var body=payload.resultSet1 map (
$[id]) reduce ((item, accumulator) -> accumulator ++ item)
---
read('<root>' ++ body ++ '</root>', "application/xml").root.*xmlcontent
输出:
[
{
"field1": "val1",
"field2": "val2",
"field3": "val3"
},
{
"field1": "val1",
"field2": "val2",
"field3": "val3"
}
]