![]() ![]() Fun fact: JSONTABLE is MySQL’s first table function the return value is not a scalar value, but a result set. We will see how we can use JSONTABLE function to achieve this. ![]() Is there a better way to initialize a new mysql pool (perhaps reuse the pool instead of creating an ending it in each request?)Ī: If for example the answer is to create the pool outside the function, how does it exactly work and how does the lambda function reuse it between requests, when does it get destroyed and how does it know when to recreate the poolĬonst pool = mysql. In the case where the JSON value is an array of objects, we will see how we can query the table and retrieve the JSON data as relational data. The AWS terminal window timed out by then. Some visitors may just view the pages and other may view the pages and buy the products. MySQL JSON data type example Suppose, we have to track the visitors and their actions on our website. I ran the query and it still hadn't returned after more than 1 hour. When you query data from the JSON column, the MySQL optimizer will look for compatible indexes on virtual columns that match JSON expressions. ![]() See below result: Now since you have the basic knowledge already of how to Response the JSON we will implement the dynamic data using PHP & MySQL with Ajax. hikerjobs Asks: MySQL query to return JSON data is taking a very long time I am trying to run a query to extract some JSON data from a MySQL table but it's taking a very long time. Is there a way to return the response before waiting for the DB call to finish, for example in node js - res.send will return immediately and the function continues to run after the response is returned I call the ID selector 'jsonfirstname' and use html() function to display the firstname value from your server. Returns NULL if any argument is NULL, the jsondoc argument is not an object, or path, if given, does not locate an object. I have a serverless framework node js function that initializes mysql DB and then runs a query, ES6 is used to return an HTTP response at the end Returns the keys from the top-level value of a JSON object as a JSON array, or, if a path argument is given, the top-level keys from the selected path. ![]()
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