Tag: created_at DATE

How to relate in sequelize

Post author By Full Stack
Post date September 24, 2020
No Comments on How to relate in sequelize

I am trying to relate my Users model with the Posts model, what I want to do is that the user when creating a post saves the post id in the ‘posteds’ field of the user model, but I can’t do it Post Table: ‘posteds’ shouldn’t be there, it should be in the users table […]

Tags 'MODERATOR_ROLE', 'USER_ROLE'] interface UserAttributes{ id: number, "id" | "created_at" | 'img_url'> {} // We need to declare an interface for our model that is basically what our class would be interface User, "password": "string", { id: { type: DataTypes.UUID, {foreignKey : 'userId'}) Model User: import { DataTypes, {foreignKey: 'posteds'}) Posts.belongsTo(Users, allowNull: false, but I can't do it Post Table: 'posteds' shouldn't be there, compare } from "bcryptjs"; import Posts from "./posts.model"; export const rolesEnum: string[] = ['ADMIN_ROLE', created_at DATE, created_at: { type: DataTypes.DATE, defaultValue: 'USER_ROLE', defaultValue: DataTypes.NOW, defaultValue: process.env.DEFAULT_IMAGE || 'default.svg', defaultValue: UUIDV4, email: { type: DataTypes.STRING, email: String, genSalt, I am trying to relate my Users model with the Posts model, img_url: { type: DataTypes.STRING, img_url: string, it should be in the users table My relationships: Users.hasMany(Posts, Model} from "sequelize" import { connection } from "../database" import { hash, optional), password: { type: DataTypes.STRING, primaryKey: true, role: 'ADMIN_ROLE' | 'MODERATOR_ROLE' | 'USER_ROLE', role: { type: DataTypes.STRING, unique = true, updated_at: { type: DataTypes.DATE, updated_at?: Date } interface UserCreationAttributes extends Optional<UserAttributes, UserAttributes {} const Users = connection.define('users', UserCreationAttributes>, UUIDV4, values: rolesEnum, what I want to do is that the user when creating a post saves the post id in the 'posteds' field of the user model

Database Development

How to prevent seek pagination from doing sequential scan over entire table

Post author By Jessica Alba
Post date May 23, 2020
No Comments on How to prevent seek pagination from doing sequential scan over entire table

I have 3 tables and a materialized view resource_categories contains all category names and metadata create table if not exists resource_categories ( category_id INT, title VARCHAR(255), content TEXT, icon VARCHAR(50) ); resources contains all resources under each category create table if not exists resources ( resource_id INT, title VARCHAR(255), content TEXT, link VARCHAR(1000), category_id INT […]

Tags `title`, '0'::bigint)) DESC, 0) AS likes FROM resources r LEFT JOIN resource_votes_aggregate a ON r.resource_id = a.resource_id ORDER BY likes DE, category_id INT REFERENCES resource_categories(resource_id), COALESCE(likes, Content TEXT, created_at DATE, I have 3 tables and a materialized view resource_categories contains all category names and metadata create table if not exists resource_ca, icon VARCHAR(255), icon VARCHAR(50) ); resources contains all resources under each category create table if not exists resources ( resource_id INT, link VARCHAR(1000), r.resource_id DESC Sort Method: top-N heapsort Memory: 25kB -> Hash Right Join (cost=12.03..59.25 rows=918 width=157) (actual time=0.032..0.0, resource_id DESC LIMIT 5; Execution Plan QUERY PLAN Limit (cost=74.50..74.52 rows=5 width=157) (actual time=0.058..0.060 rows=5 loops=1) ->, Title varchar(255), updated_at DATE ); resource_votes contains user liking a resource or disliking it create table if not exists resource_votes ( resource_, user_id INT, vote BOOLEAN ); resource_votes_aggregate a materialized view with likes per resource_id I want to execute the following queries Find all r