Looking a the source code of get_permalink(), that function not always generates additional queries. It depends on the particular situation. get_user_meta() is always performing aditional queries although they can be stored in wp cahe.
Take a look into Save queries for analysis and this helpful plugin. You will be able to see the total number of queries, time taking by each one and other useful information that will help you to know if using a especific function is generating aditional queries or not.
Related Posts:
- I’m designing a plugin to create database indexes. Suggestions?
- Post meta vs separate database tables
- Is it mandatory to use $wpdb->prefix in custom tables
- Update Option Stored in Multi-Dimensional Array
- WP_Query leaking absurd amounts of memory
- Default table collation on plugin activation?
- Using a database view = evil incarnate?
- Writing a plugin that notify my friends of new post that mentions(@) them
- Getting wrong relationship value in $args in wp_Query?
- WordPress and multithreading
- Not sure the best way to save custom plugin data
- The ideal place for storing persistent PHP objects
- What is the correct way for plugins to create tables with special charset/collation considerations?
- What is the added “complexity” of custom tables?
- Plugin development with unit tests
- How is the data stored in the database?
- Formatting of curly brackets array from WP database to get more readable output
- How to modify post content before writing to database?
- Actions or filters fired when data is saved in a custom table
- Hello dolly type plugin that allows people to add their own
- Sample — test — data for large WordPress install
- Custom Plugin Database relations
- Is there any reason only 1 (my) IP would be added to this table using $wpdn->insert?
- How to store data for posts/pages built with drag-n-drop builder?
- Database for development
- Is there a naming convention for database tables created by a plugin?
- Activation hook not creating table
- Is the usage of ON DELETE CASCADE wrong or not allowed on wordpress?
- Version upgrade: can my plugin filter the SQL statements issued during a database upgrade?
- Saving data from block editor to the database
- What for the tables ending with the meta used in database of wordpress?
- Creating table with plugin is not working
- Get a custom table to an array
- How to Create database table when Plugin installed/activated, and delete database when Plugin deleted
- Subscribe to author?
- WordPress database error for query INSERT INTO
- How to connect to AWS RDS external database (not for the core WordPress db)
- How should I store a log for my plugin
- How to create database table, add data, update and delete using wpdb via plugins?
- Using WPDB to output raw XML fails because of wp-blog-header.php
- Are there any scripts, classes, and/or functions built-in to WP for a plugin to export/import its saved data from wp_options?
- Strange issue saving custom field data for a WooCommerce order
- How to perform a heavy and long process in cron jobs?
- Form doesnt save to database
- Updating Woocommerce Settings API when WordPress Settings API saved and vise versa
- Is using custom table to suit business needs instead of transients a big hit to page load speed?
- Plugin Development for registered users
- wpdb->prepare and mysql UPDATE – how is it done?
- dbDelta not installing database
- Is it necessary to do validation again when retrieving data from database?
- What is the best way to store a few fields?
- Adding columns to core tables
- How to query custom db table?
- Delete data from database using row action
- How do I have now a duplicated user entry if this is not allowed (and I cannot replicate it)?
- Alternative functions for mysql_free_result and mysql_ping in wordpress functions
- Make Database query only when option is updated
- Can we intercept user_login and user_pass from a wp_login_form?
- WP: Search and replace in DB programmatically
- Using AND and bracket grouping in SQL not working
- Two different wordpress sites – same server and IP address. Gaining Access to database 1 of 2
- Plugin Development: Storing and Manipulating Data That Fits JSON in Database
- What might be the reason of Couldn’t fetch mysqli_result on another domain?
- How do I debug an error that a plugin is causing?
- Save temporary registration data
- Update plugin settings option_name for big plugin update
- $wpdb->update Issue
- dbdelta failing with error: “WordPress database error Table ‘wp_2_myPlugin’ already exists
- WordPress database error: [Query was empty] – using $wpdb->prepare()
- How to add some basic inline CSS using existing plugin or theme?
- Error code when migrate
- Why User_login key doesn’t work with wp_update_user()
- How to get inserted row IDs for bulk/batch insert with wpdb query?
- WordPress how do I echo SUM from a column of a MySQL table by user id AND type_operation
- WordPress Fatal error: Uncaught Error: Call to undefined function dbDelta()
- Use admin-post to submit form data to external database
- Save in my custom admin page and redirect to the saved object
- Relational / Associate tables using native WordPress functionality
- WordPress doesn’t create table on plugin activation
- Insert Data into Database
- Update database record in plugin
- How to store in the database directly the translation?
- How and when would I implement some code which would take data from one part of the Db and put it in another?
- pull data from wordpress database
- Ajax not working to insert, query and result data
- Form and database, plugin development
- How to filter get_adjacent_post()?
- Associating special meaning with user id 0
- What method should I use to store my plugin data (multi level menus with options on each item)
- How to add additional field in a table row after creating a table?
- WordPress plugin tables become corrupt
- Post data in wp-admin to external database
- How can I get a plugin to hook ‘dbdelta_queries’ — a filter used during version update?
- Running one-off cron jobs when WP_DISABLE_CRON is true: can I hit /wp-cron.php?
- How to create a database table in WordPress using PHP
- Leveraging Core Functionality in Icon Upload Plugin [closed]
- Programmatically creating posts based on external JSON feed (asynchronously)
- WordPress database error: [Table ‘bitnami_wordpress.questions’ doesn’t exist]
- Making a user platform reachable by a qr code on a pin-back-button [closed]
- multiple record insert creating many duplicate records