Couchdb futon中的Json数组迭代
我正在使用CocuhDB我有这个文档结构Couchdb futon中的Json数组迭代,couchdb,couchdb-futon,Couchdb,Couchdb Futon,我正在使用CocuhDB我有这个文档结构 {"master": false, "type": "a", "company": 9, "products": [ { "unit": { "id": 9, "isMp": false, "_id": "40109daadce8d3671a1aeca35bbb1438" }, "a
{"master": false,
"type": "a",
"company": 9,
"products": [
{
"unit": {
"id": 9,
"isMp": false,
"_id": "40109daadce8d3671a1aeca35bbb1438"
},
"article": {
"id": 1132,
"id_provider": 0,
"isMp": false,
"id_unit": 9,
"weight": 0,
"_id": "eb1718f96375b01af5552cf3f4c2d86b",
"code": "ME021",
"type_article": 2
},
"order": 1,
"warehouse_company": {
"id": 9,
"_id": "ebce7557ff95203ac5d03f294381d6ed"
},
"article_code": "ME021",
"provider": {
"id": 2313,
"isMp": false
},
"qty": 20.5,
"warehouse": {
"id": 18,
"isMp": false
}
}, {
"unit": {
"id": 9,
"isMp": false,
"_id": "40109daadce8d3671a1aeca35bbb1438"
},
"article": {
"id": 1132,
"id_provider": 0,
"isMp": false,
"id_unit": 9,
"weight": 0,
"_id": "eb1718f96375b01af5552cf3f4c2d86b",
"code": "ME099",
"type_article": 2
},
"order": 1,
"warehouse_company": {
"id": 9,
"isMp": false
},
"article_code": "ME021",
"provider": {
"id": 2313,
"isMp": false,
"_id": "657abbdfb4c713a9baa1ffd7329319c0"
},
"qty": 20.5,
"warehouse": {
"id": 18,
"isMp": false,
"_id": "9f70abb04a0243a1cd997b6430fb2207"
}
}
]
}
产品
字段可以是一个或十个。
我需要找到所有的文件
单据.产品[n].warehouse.id==18
但是我不知道如何使用Futon
。
我正在尝试类似于:
function(doc) {
var product, value;
if (doc.type != master && doc.type == "a" && doc.company == 9) {
for (product in doc.products) {
value= doc.prices[producto];
emit(value, doc );
}
}
}
但它不起作用。我做错了什么?您可以这样使用视图。这是一个例子。不是解决办法
function(doc) {
var product, value;
if (doc.type != "master" && doc.type == "a" && doc.company == 9 && doc.products && Array.isArray(doc.products)) {
doc.products.forEach(function(product) {
Object.keys(product).forEach(function(key) {
emit([key, product[key].id]);
});
});
}
}
将创建如下输出
{
"total_rows": 16,
"offset": 0,
"rows": [
{
"key": [
"article",
1132
],
"id": "check",
"value": null
},
{
"key": [
"article",
1132
],
"id": "check",
"value": null
},
{
"key": [
"article_code",
null
],
"id": "check",
"value": null
},
{
"key": [
"article_code",
null
],
"id": "check",
"value": null
},
{
"key": [
"order",
null
],
"id": "check",
"value": null
},
{
"key": [
"order",
null
],
"id": "check",
"value": null
},
{
"key": [
"provider",
2313
],
"id": "check",
"value": null
},
{
"key": [
"provider",
2313
],
"id": "check",
"value": null
},
{
"key": [
"qty",
null
],
"id": "check",
"value": null
},
{
"key": [
"qty",
null
],
"id": "check",
"value": null
},
{
"key": [
"unit",
9
],
"id": "check",
"value": null
},
{
"key": [
"unit",
9
],
"id": "check",
"value": null
},
{
"key": [
"warehouse",
18
],
"id": "check",
"value": null
},
{
"key": [
"warehouse",
18
],
"id": "check",
"value": null
},
{
"key": [
"warehouse_company",
9
],
"id": "check",
"value": null
},
{
"key": [
"warehouse_company",
9
],
"id": "check",
"value": null
}
]
}
您可以搜索id为18的“仓库”,如
using key=["warehouse",18]
您正在使用哪个CouchDB版本?