How to create multi-column indexes with jsonb colum and int column

Table: create table posts(doc jsonb, timeline int); insert into posts values(‘{“body”:”aaa”, “tags”:[“tag1″,”tag2”]}’, 1572192887); insert into posts values(‘{“body”:”aaa”, “tags”:[“tag12″,”tag23”]}’, 1572192888); Now I want to create an index to make the following query fast: select * from posts where doc->’tags’ ?| array[‘tag1′,’tag3′,’tag10’] order by timeline desc limit 10 I have tried to use the following index but…

Flutter: Retrieve a list of stocks Stats and quotes from IEX JSON API

IEX JSON API: final String url = ‘https://cloud.iexapis.com/stable/stock/market/batch?symbols=aapl,fb&types=quote,stats&range=1m&last=5&token=’; final client = new http.Client(); final streamedRest = await client.send( http.Request(‘get’, Uri.parse(url)) ); return streamedRest.stream .transform(utf8.decoder) .transform(json.decoder) .expand((data) => (data as List)) .map((data) => Class.fromJSON(data));` {“AAPL”:{“stats”:{“week52change”:0.108189,”week52high”:244.8,”week52low”:142,”marketcap”:1100781864400,”employees”:132000,”day200MovingAvg”:196.46,”day50MovingAvg”:220.62,”float”:4512324403.94,”avg10Volume”:23328121.8,”avg30Volume”:26924247.43,”ttmEPS”:11.8267,”ttmDividendRate”:2.96,”companyName”:”Apple, Inc.”,”sharesOutstanding”:4519180000,”maxChangePercent”:240.1683,”year5ChangePercent”:1.315,”year2ChangePercent”:0.5505,”year1ChangePercent”:0.108189,”ytdChangePercent”:0.542427,”month6ChangePercent”:0.186574,”month3ChangePercent”:0.176601,”month1ChangePercent”:0.102022,”day30ChangePercent”:0.113509,”day5ChangePercent”:0.030329,”nextDividendDate”:null,”dividendYield”:0.012152065029969619,”nextEarningsDate”:”2019-10-30″,”exDividendDate”:”2019-08-09″,”peRatio”:20.75,”beta”:1.534551916699308},”quote”:{“symbol”:”AAPL”,”companyName”:”Apple, Inc.”,”primaryExchange”:”NASDAQ”,”calculationPrice”:”tops”,”open”:null,”openTime”:null,”close”:null,”closeTime”:null,”high”:null,”low”:null,”latestPrice”:245.395,”latestSource”:”IEX real time price”,”latestTime”:”12:37:57 Error: [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: type ‘_InternalLinkedHashMap’ is not a subtype of type ‘List’ in type cast…

How to extract data from json array and put it in a data gridview c#

I’m trying to get all the name and href values from the json into a data gridview and have gotten stuck. At the moment the gridview remains blank. Any ideas how to fill the gridview? JSON: { “layers”: { “layer”: [ { “name”: “tiger:giant_polygon”, “href”: “http://localhost:8080/geoserver/rest/layers/tiger%3Agiant_polygon.json” }, { “name”: “tiger:poi”, “href”: “http://localhost:8080/geoserver/rest/layers/tiger%3Apoi.json” }, { “name”:…

Remove Config data from JSON output of NIFI InvokeHTTP calling its own API for all processors info

I am able to use NIFI InvokeHTTP to call its own API for all processor info and push that along. I am having no luck removing the Config Array with a JOLT Transform in between InvokeHTTP and my output processor. Input Data { “processors”: [{ “id”: “891dcf62-016d-1000-1727-961e4e3c2f7a”, “props”: “dozens of other props here”, “component”: {…

How to extract specific data from JSON object using python?

I’m trying to scrap a website and get items list from it using python. I parsed the html using BeaufitulSoup and made a JSON file using json.loads(data). The JSON object looks like this: { “.1768j8gv7e8__0”:{ “context”:{ //some info }, “pathname”:”abc”, “showPhoneLoginDialog”:false, “showLoginDialog”:false, “showForgotPasswordDialog”:false, “isMobileMenuExpanded”:false, “showFbLoginEmailDialog”:false, “showRequestProductDialog”:false, “isContinueWithSite”:true, “hideCoreHeader”:false, “hideVerticalMenu”:false, “sequenceSeed”:”web-157215950176521″, “theme”:”default”, “offerCount”:null }, “.1768j8gv7e8.6.2.0.0__6”:{ “categories”:[…

Is there a built in way of using snake case as the naming policy for JSON in ASP.NET Core 3?

I managed to get it working using the following code: .AddNewtonsoftJson(options => { options.SerializerSettings.ContractResolver = new DefaultContractResolver { NamingStrategy = new SnakeCaseNamingStrategy() }; }); However this makes MVC use Newtonsoft rather than System.Text.JSON which is faster, async and built in. Looking at the naming policy options in System.Text.JSON I could only find CamelCase. Is there…

OPENJSON on object with two arrays

I have the following json in a column: { “fields”:[ { “field”:”modelName”, “value”:”abc123″ }, { “field”:”displayName”, “value”:”ABC 123″ }, { “field”:”order”, “value”:5 } ], “variables”:[ { “varId”:4, “oldValue”:100, “newValue”:”150″ }, { “varId”:5, “oldValue”:”abc”, “newValue”:”def” } ] } And I would like to pull this information out to something like the following: Id Field Value VarId…