I want to create a column numberofimage. In which each cell in the numberofimage column will display the number of images in the addimage column format of each cell in addimage column like: [{"file":"vstorage.com/sohoa/han01//123.jpg","name":"123.jpg","type":"image/jpeg","size":239709},{"file":"storage.com/sohoa/han01//456.jpg","name":"456.png","type":"image/png","size":1030361}] I would count the number of…
I am implementing an entity-attribute-value model to store nationwide property data that will be updated daily: 130 million properties, will probably store billions of values. We also want to search this data on arbitrary attributes, hence using EAV so we…
I am trying to connect my localhost mysql server. My personel computer succusfully connect to mysql server with tis python code: import mysql.connector from mysql.connector import Error class DatabaseHelper(): def __init__(self): self.host = "localhost" self.user = "root" self.password = "mysql"…
I have looked at all error 1292 Truncated Error Double Value questions, but have not been able to derive a solution from them. Answers have however led me to an assumtion that I am failing to prove: I am querying…
I recently upgraded the character set of my MySQL database from utf8mb3 to utf8mb4. One of my table columns is defined as an ENUM('saved', 'updated', 'deleted') NOT NULL DEFAULT 'saved'. However, after performing the charset upgrade, I noticed that the…
I'm working with a JPA query in a Spring Data repository that fetches data using DISTINCT and an ORDER BY clause. The query works without DISTINCT, but adding it results in the following error: Expression #1 of ORDER BY clause…
I have a datetime column in a table I wanted to use as a key, very frequently, in a website I am working with. As it's going to be transmitted back and forth very frequently I wanted to reduce as…
Here is my code if (isset($_GET['ref'])) { $ref_id= intval($_GET['ref']); // Sanitize input // Query to get the project info $projects = $wpdb->get_results($wpdb->prepare("SELECT * FROM table WHERE project_ref = %d", $ref_id)); 'ref' is passed from previous page However, the results are…
I've been learning about optimizer hints in MySQL (my version is 8.0.36), and I've been able to experiment with them in very simplified scenarios and it works. However, as soon as I add a nested level, it all breaks down.…
Why is this laravel eloquent query running so SLOWLY? I have a query running in a Laravel job that executes very slowly and inconsistently. Sometimes it takes 1-2 minutes to fetch the result, while at other times it completes in…