如何使用 ReQL 更新 RethinkDB 中的嵌套数组
How to Update nested Array in RethinkDB using ReQL
我有一个关于在 RethinkDB 中更新数组的问题。我的 JSON 结构如下所示。
{
"LOG_EVENT": {
"ATTRIBUTES": [
{
"ATTRIBUTE1": "TYPE",
"VALUE": "ORDER"
},
{
"ATTRIBUTE2": "NUMBER",
"VALUE": "1234567"
}
],
"EVENT_CODE": [
{
"CODE_NAME": "EVENT_SAVED",
"EVENT_TIMESTAMP": "2015-08-18T00:58:12.421+08:00"
}
],
"MSG_HEADER": {
"BUSINESS_OBJ_TYPE": "order",
"MSG_ID": "f79a672b-f15e-459d-a29b-725486d6401f",
"DESTINATIONS": "3"
}
},
"id": "0de3117e-12dd-4d10-a464-dff391a4513f"
}
在这里,我试图在我的事件代码中更新一个新事件
{
"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2",
"EVENT_TIMESTAMP": "2015-08-18T12:58:12.421+08:00"
}
我的最终 JSON 如下所示,
{
"LOG_EVENT": {
"ATTRIBUTES": [
{
"ATTRIBUTE1": "TYPE",
"VALUE": "ORDER"
},
{
"ATTRIBUTE2": "NUMBER",
"VALUE": "1234567"
}
],
"EVENT_CODE": [
{
"CODE_NAME": "EVENT_SAVED",
"EVENT_TIMESTAMP": "2015-08-18T00:58:12.421+08:00"
},
{
"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2",
"EVENT_TIMESTAMP": "2015-08-18T12:58:12.421+08:00"
}
],
"MSG_HEADER": {
"BUSINESS_OBJ_TYPE": "order",
"MSG_ID": "f79a672b-f15e-459d-a29b-725486d6401f",
"DESTINATIONS": "3"
}
},
"id": "0de3117e-12dd-4d10-a464-dff391a4513f"
}
你能帮忙查询 ReQL 吗?
在下面尝试过,但没有用
r.db("test").table("test1").get("0de3117e-12dd-4d10-a464-dff391a4513f")("LOG_EVENT")('EVENT_CODE').update(function(row) {
return {EVENT_CODE: row('EVENT_CODE').map(function(d) {
return r.branch(d.append({
"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2",
"EVENT_TIMESTAMP": "2015-08-18T00:58:12.421+08:00"
}), d)
})
}} )
这里是更新驻留在数组中的对象的嵌套字段的代码
r.db('DB').table('LOGS')
.get('ID')
.update({
EVENT_CODE: r.row('EVENT_CODE')
.changeAt(1, r.row('EVENT_CODE').nth(1)
.merge({"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2"}))
})
我有一个关于在 RethinkDB 中更新数组的问题。我的 JSON 结构如下所示。
{
"LOG_EVENT": {
"ATTRIBUTES": [
{
"ATTRIBUTE1": "TYPE",
"VALUE": "ORDER"
},
{
"ATTRIBUTE2": "NUMBER",
"VALUE": "1234567"
}
],
"EVENT_CODE": [
{
"CODE_NAME": "EVENT_SAVED",
"EVENT_TIMESTAMP": "2015-08-18T00:58:12.421+08:00"
}
],
"MSG_HEADER": {
"BUSINESS_OBJ_TYPE": "order",
"MSG_ID": "f79a672b-f15e-459d-a29b-725486d6401f",
"DESTINATIONS": "3"
}
},
"id": "0de3117e-12dd-4d10-a464-dff391a4513f"
}
在这里,我试图在我的事件代码中更新一个新事件
{
"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2",
"EVENT_TIMESTAMP": "2015-08-18T12:58:12.421+08:00"
}
我的最终 JSON 如下所示,
{
"LOG_EVENT": {
"ATTRIBUTES": [
{
"ATTRIBUTE1": "TYPE",
"VALUE": "ORDER"
},
{
"ATTRIBUTE2": "NUMBER",
"VALUE": "1234567"
}
],
"EVENT_CODE": [
{
"CODE_NAME": "EVENT_SAVED",
"EVENT_TIMESTAMP": "2015-08-18T00:58:12.421+08:00"
},
{
"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2",
"EVENT_TIMESTAMP": "2015-08-18T12:58:12.421+08:00"
}
],
"MSG_HEADER": {
"BUSINESS_OBJ_TYPE": "order",
"MSG_ID": "f79a672b-f15e-459d-a29b-725486d6401f",
"DESTINATIONS": "3"
}
},
"id": "0de3117e-12dd-4d10-a464-dff391a4513f"
}
你能帮忙查询 ReQL 吗?
在下面尝试过,但没有用
r.db("test").table("test1").get("0de3117e-12dd-4d10-a464-dff391a4513f")("LOG_EVENT")('EVENT_CODE').update(function(row) {
return {EVENT_CODE: row('EVENT_CODE').map(function(d) {
return r.branch(d.append({
"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2",
"EVENT_TIMESTAMP": "2015-08-18T00:58:12.421+08:00"
}), d)
})
}} )
这里是更新驻留在数组中的对象的嵌套字段的代码
r.db('DB').table('LOGS')
.get('ID')
.update({
EVENT_CODE: r.row('EVENT_CODE')
.changeAt(1, r.row('EVENT_CODE').nth(1)
.merge({"CODE_NAME": "MESSAGE_DELIVERED_TO_APP2"}))
})