php 向现有的db table / create table添加新字段

Posted 2021-05-05

<?php 
$field_newsletter_type = array(
    'description' => 'newsletter type of the newsletter category.',
    'type' => 'varchar',
    'length' => 25,
    'not null' => FALSE,
    'default' => 'simple_newsletter',
  );
  db_add_field('simplenews_category', 'newsletter_type', $field_newsletter_type);
  
  /**
 * refs #21318: Add nodequeue_application table.
 */
function scmp_content_update_7107() {
  // Define table schema
  $schema['nodequeue_application'] = array(
    'description' => 'Stores the revision ID for a nodequeue subqueue.',
    'fields' => array(
      'qid' => array(
        'description' => 'Nodequeue identifier',
        'type' => 'int',
        'size' => 'big',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'app_id' => array(
        'description' => 'Application ID, for now it is the TID of the application term',
        'type' => 'int',
        'size' => 'big',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'indexes' => array(
      'qid' => array('qid'),
    ),
  );
  // Create schema
  foreach ($schema as $name => $table) {
    if (!db_table_exists($name)) {
      db_create_table($name, $table);
    }
  }
}