Fetchall return json

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August undefined, 2024

Web我正在使用Ajax从客户端向服务器发出一些请求，正在使用DJango，并且之前使用过一些Raw Sql查询，但是我所有的字段都是Int，varchar和Decimal，对于最后一个字段，我遇到了一个问题，但我覆盖了Json的默认属性，一切正常。但这是以前的事情，现在我有了一个查询，给我Deci

python - How to return json from sqlite in flask - Stack Overflow

WebNov 4, 2014 · def cont (request): try: get = cursor.execute ('SELECT id, number FROM tblContract') qs = get.fetchall () data = [] for obj in qs: item = { 'id': obj.id, 'number': obj.number } data.append (item) return JsonResponse ( {'data': data}) except: return JsonResponse ( {'data': 'errorrr'}) finally: con.close Share Improve this answer Follow WebFeb 15, 2024 · return json_result In summary, this code sets up a Flask API endpoint that connects to a Power BI data source and returns the result of a query in JSON format. It uses the pyadomd library to connect to the data source, and the flask library to define the API endpoint and return the JSON response. ethical earrings uk

Python converting mysql query result to json - Stack Overflow

WebJul 17, 2024 · 1 Answer Sorted by: 31 I think you want RealDictCursor, this returns each row as dict and you dont need to modify your SQL queries: from psycopg2.extras import RealDictCursor cur = conn.cursor (cursor_factory=RealDictCursor) query_sql = "SELECT id, name FROM products where id < 10" cur.execute (query_sql) results = cur.fetchall () … WebAfter learning that there is a problem with encoding, tell your database to return data in utf8: $_db->query ("SET NAMES utf8"); $data = $_db->query ("SELECT * FROM countries")->fetchAll (PDO::FETCH_ASSOC); header ("content-type:application/json"); echo json_encode ($data); exit (); Share Improve this answer Follow answered Aug 26, 2015 … WebFeb 15, 2024 · For Drupal 6, you can use drupal_json. function content_relation_get($term = '') { $result = db_query("SELECT nid,title FROM {node} WHERE title LIKE :title LIMIT 5", array(":title" => $term.'%'))->fetchAll() ); drupal_json($result); exit; } For Drupal 7, change it to use drupal_json_output fire in los angeles california

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WebMar 31, 2024 · 1. .append () always returns None, because it modifies in place. But I can't see why you're calling append at all; there is nothing to append here. Just return the jsonified data: return jsonify (list (data)) (In fact you might not even need the list - just jsonify (data) might work.) Share. Improve this answer. WebDec 22, 2024 · A good database adapter implementation will fetch rows in batches from the server, saving on the memory footprint required as it will not need to hold the full result set in memory. cursor.fetchall () has to return the full list instead. fire in los angelesWebMar 24, 2016 · Разработать веб приложение для отправки файлов. 10000 руб./за проект1 отклик10 просмотров. Разработать телеграм бот обменник. 80000 руб./за проект3 отклика14 просмотров. PHP-fullstack разработчик. 200000 ... ethical easter eggs choice

"WebHow is the better way to do a "fetchall" to statement in java, for convert after in a json response? I have a sql query, works fine, but I want to show a JSON response, with the … " - Fetchall return json

Fetchall return json

django - How to serialize sql query to json? - Stack Overflow

WebOct 21, 2024 · Approach 1: Using Flask jsonify object – In this approach, we are going to return a JSON response using the flask jsonify method. We are not going to use the flask-restful library in this method. Create a new python file named ‘main.py’. import Flask, jsonify, and request from the flask framework. WebThe fetchAll () is a method of the PDOStatement class. The fetchAll () method allows you to fetch all rows from a result set associated with a PDOStatement object into an array. The following shows the syntax of the fetchAll () method: public function fetchAll(int $mode = PDO::FETCH_DEFAULT): array Code language: PHP (php)

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WebIf you want to return another JSON type, use the jsonify () function, which creates a response object with the given data serialized to JSON. from flask import jsonify @app.route("/users") def user_list(): users = User.query.order_by(User.name).all() return jsonify( [u.to_json() for u in users]) WebJun 22, 2024 · 12. To return $data in json format using Drupal-7's page callback output, you should return through : drupal_json_output ($data); in your page callback function. For more ref : http://api.drupal.org/api/drupal/includes!common.inc/function/drupal_json_output/7.

WebDec 5, 2024 · Modified 2 years, 3 months ago. Viewed 244 times. 0. Trying to return Psycopg2 results to a Python json list. self.cursor.execute ("SELECT user FROM app.feeders") ex1 = self.cursor.fetchall () print (ex1) json_output = json.dumps (ex1) print (json_output) result = [r [0] for r in self.cursor.fetchall ()] print (result) return … WebWhen used in write mode, calling fetchall will position the record pointer at the last case of the active dataset, or if there are splits, the last case of the current split. Cases from the …

WebApr 3, 2024 · json_string = json.dumps(results, default=str) … or we can modify the query to CAST the decimals to floats, e.g., use query = "SELECT CAST(x AS FLOAT) AS x FROM tbl" WebThe fetch_all () / mysqli_fetch_all () function fetches all result rows and returns the result-set as an associative array, a numeric array, or both. Note: This function is available only with MySQL Native Driver. Syntax Object oriented style: $mysqli_result -> fetch_all ( resulttype) Procedural style: mysqli_fetch_all ( result, resulttype)

WebBy default, FastAPI would automatically convert that return value to JSON using the jsonable_encoder explained in JSON Compatible Encoder. Then, behind the scenes, it would put that JSON-compatible data (e.g. a dict) inside of a JSONResponse that would be used to send the response to the client.

WebPDOStatement::fetchAll () returns an array containing all of the remaining rows in the result set. The array represents each row as either an array of column values or an object with properties corresponding to each column name. An empty array is returned if there are zero results to fetch. ethical eating means and involvesWebMar 19, 2024 · Шаг 2: Запрашиваем сертификат в Связке ключей на MacOS Заходим в связку ключей, в меню выбираем «Ассистент сертификации» — «Запросить сертификат у бюро сертификации», Вводим свою почту, имя, … ethical easter eggs ukWebOct 4, 2024 · It has single quotes while JSON strings should have double quotes to be valid. You don't really have the option to mass replace the quotation marks from the database so use json.dumps before loading the JSON to convert the quotation marks. Try this: detailsdict[obj]=json.loads(json.dumps(record['details'])) Or use ast.literal_eval: ethical ebooksWebApr 11, 2024 · A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. fire in loveland co yesterdayWebFeb 13, 2014 · 1 Answer. Use Flask's built-in jsonify function, as it is already extended to work with dates: from Flask import jsonify @app.route ('/temp') def temp (): # Load database results # and then ... return jsonify (data=cur.fetchall ()) The data will be returned as an object with a single key ( data) containing an array of rows (which will either be ... fire in lower mainland todayWebApr 17, 2014 · Sorted by: 1. Your code only returns the values. To also get the column names you need to query a table called 'sqlite_master', which has the sql string that was used to create the table. c.execute ("SELECT sql FROM sqlite_master WHERE " \ "tbl_name='your_table_name' AND type = 'table'") create_table_string = cursor.fetchall … fire in lower manhattan todayWebFeb 16, 2011 · In your controllers, all you have to do is to call the serialize () function (or serialize_list (l) if the query results in a list) on the results: def get_user (id): user = User.query.get (id) return json.dumps (user.serialize ()) def get_users (): users = User.query.all () return json.dumps (User.serialize_list (users)) Share. ethical eating on a budget