Skip to main content

How to set varchar primary key field in Mysql

How to set varchar primary key field in Mysql

Table structure of Users table

CREATE TABLE `users` (
   `id` varchar(36) NOT NULL DEFAULT 'InitiallyEmpty',
   `first_name` varchar(100) NOT NULL,
   `last_name` varchar(100) NULL,
   `email` varchar(100) NOT NULL,
   `password` varchar(100) NOT NULL,
   PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8

Want to fill id an automatically filled. You need to create trigger


Trigger structure for automatically update

DROP trigger if exists before_insert_users;
delimiter $$
CREATE TRIGGER before_insert_users
BEFORE INSERT ON users
FOR EACH ROW
BEGIN
    SET new.id = uuid();
END $$

delimiter ;

Now create insert query

insert into users (first_name,last_name,email,password) values ('Sudhir','Pandey','psudhir20@gmail.com','123465');

Comments

Post a Comment

Popular posts from this blog

6 guaranteed steps how to create CRON JOB FUNTION in wordpress

Create Cron Job function in Wordpress plugin Step 1: Register function on plugin activate  register_activation_hook(__FILE__, 'activate_one'); Step 2: add_filter function for interval //Filter for Adding multiple intervals add_filter( 'cron_schedules', 'intervals_schedule' ); // define interval function   function intervals_schedule($schedules) {   $schedules['everyminute'] = array(    'interval' => 60, // Every 1 minutes    'display'  => __( 'Every 1 minutes' )   );   return $schedules;  } Step 3: Activate hook function   //Schedule a first action if it's not already scheduled   function activate_one() {   if (!wp_next_scheduled('wpyog_cron_action')) {    wp_schedule_event( time(), 'everyminute', 'wpyog_cron_action');   }  } Step 4: Cron hook function   //Hook into that action that'll fire after 1 minutes   add_action('wpyog_cron_action', 'execute_

How to Create a jQuery Autocomplete in Wordpress

How to Create a jquery-ui Autocomplete in wordpress. Autocomplete provides suggestions while you type into the text field. In Wordpress we fetch dynamically matched pattern. Include javascript and css files in header. Create action inside functions.php or inside plugin code. add_action('wp_head', 'custom_register_scripts'); function custom_register_scripts(){ wp_register_style( 'techsudhir_jquery_ui_css', plugin_dir_url(__FILE__) . 'css/jquery-ui.css', false,'1.0.0' ); wp_enqueue_style( 'techsudhir_jquery_ui_css' ); wp_register_script('techsudhir_jquery_ui_js',plugin_dir_url(__FILE__) . 'js/jquery-ui.js',array('jquery'),'1.1', false); wp_enqueue_script('techsudhir_jquery_ui_js'); wp_localize_script( 'techsudhir_autocomplete', 'jqueryAutocomplete', array( 'ajaxurl' => admin_url( 'admin-ajax.php' ) ) ); wp_enqueue_script( 'techsudhir_

Facebook Login

Step 1: Go on Apps & create new Apps Step 2: Enter the app name & choose category Step 3: Enter the site domain Script code <div id="fb-root"></div> <script   src="http://connect.facebook.net/en_US/all.js#appId=<?php echo '603609636351597';?>"> </script> <script>    FB.init({              appId:'<?php echo '603609636351597';?>', cookie:true,              status:true, xfbml:true           });   FB.getLoginStatus(function(response) {   }); Login function call on click function faceLogin(){  FB.login(function(response) {    if (response.authResponse) {  FB.api('/me', function(response) { $('input[id=facebook_login_fb]').val(response['id']); $('#fb_login_form').submit();  });    } else {  console.log('User cancelled login or did