我的文档示例如下:
[
{
"paperType": "a4",
"paperName": "copierbond",
"details": [
{
"fieldName": "paperColor",
"text": "red"
},
{
"fieldName": "paperThickness",
"double": 90.0
}
]
},
{
"paperType": "a4",
"paperName": "copierbond",
"details": [
{
"fieldName": "paperColor",
"text": "red"
},
{
"fieldName": "paperThickness",
"double": 89.9
}
]
},
{
"paperType": "a4",
"paperName": "bestcopierbond",
"details": [
{
"fieldName": "paperColor",
"text": "white"
},
{
"fieldName": "paperThickness",
"double": 90.2
}
]
},
{
"paperType": "a4",
"paperName": "bestcopierbond",
"details": [
{
"fieldName": "paperColor",
"text": "white"
},
{
"fieldName": "paperThickness",
"double": 90.1
}
]
}
]
我的Map如下:
{
"mappings": {
"properties": {
"details": {
"type": "nested",
"properties": {
"fieldName": {
"type": "keyword"
},
"textVal": {
"type": "text"
},
"doubleVal": {
"type": "double"
}
},
"paperName": {
"type": "keyword"
},
"paperType": {
"type": "keyword"
}
}
}
}
}
我想检索文档,使得details
字段只包含一些对,如fieldName-text
,而不包含fieldName-double
。示例响应:
[
{
"paperType": "a4",
"paperName": "copierbond",
"details": [
{
"fieldName": "paperColor",
"text": "red"
}
]
},
{
"paperType": "a4",
"paperName": "copierbond",
"details": [
{
"fieldName": "paperColor",
"text": "red"
}
]
},
{
"paperType": "a4",
"paperName": "bestcopierbond",
"details": [
{
"fieldName": "paperColor",
"textVal": "white"
}
]
},
{
"paperType": "a4",
"paperName": "bestcopierbond",
"details": [
{
"fieldName": "paperColor",
"text": "white"
}
]
}
]
我检查了嵌套字段的文档,但找不到在查询中省略特定字段的方法。
1条答案
按热度按时间vshtjzan1#
您可以使用排除。