help.install

<?php

/**
 * @file
 * Install and uninstall functions for help module.
 */

/**
 * Implements hook_schema().
 */
function help_schema() {
  $schema['help_search_items'] = [
    'description' => 'Stores information about indexed help search items',
    'fields' => [
      'sid' => [
        'description' => 'Numeric index of this item in the search index',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ],
      'section_plugin_id' => [
        'description' => 'The help section the item comes from',
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ],
      'permission' => [
        'description' => 'The permission needed to view this item',
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ],
      'topic_id' => [
        'description' => 'The topic ID of the item',
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ],
    ],
    'primary key' => [
      'sid',
    ],
    'indexes' => [
      'section_plugin_id' => [
        'section_plugin_id',
      ],
      'topic_id' => [
        'topic_id',
      ],
    ],
  ];
  return $schema;
}

/**
 * Install search index table for help topics.
 */
function help_update_10200(&$sandbox = NULL) {
  $connection = \Drupal::database();
  if (!$connection
    ->schema()
    ->tableExists('help_search_items')) {
    $table = [
      'description' => 'Stores information about indexed help search items',
      'fields' => [
        'sid' => [
          'description' => 'Numeric index of this item in the search index',
          'type' => 'serial',
          'unsigned' => TRUE,
          'not null' => TRUE,
        ],
        'section_plugin_id' => [
          'description' => 'The help section the item comes from',
          'type' => 'varchar_ascii',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ],
        'permission' => [
          'description' => 'The permission needed to view this item',
          'type' => 'varchar_ascii',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ],
        'topic_id' => [
          'description' => 'The topic ID of the item',
          'type' => 'varchar_ascii',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ],
      ],
      'primary key' => [
        'sid',
      ],
      'indexes' => [
        'section_plugin_id' => [
          'section_plugin_id',
        ],
        'topic_id' => [
          'topic_id',
        ],
      ],
    ];
    $connection
      ->schema()
      ->createTable('help_search_items', $table);
  }
}