--- /dev/null
+<?php
+
+/**
+ * @file
+ * Install, update, and uninstall functions for the Search module.
+ */
+
+/**
+ * Implements hook_schema().
+ */
+function search_schema() {
+ $schema['search_dataset'] = [
+ 'description' => 'Stores items that will be searched.',
+ 'fields' => [
+ 'sid' => [
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'default' => 0,
+ 'description' => 'Search item ID, e.g. node ID for nodes.',
+ ],
+ 'langcode' => [
+ 'type' => 'varchar_ascii',
+ 'length' => '12',
+ 'not null' => TRUE,
+ 'description' => 'The {languages}.langcode of the item variant.',
+ 'default' => '',
+ ],
+ 'type' => [
+ 'type' => 'varchar_ascii',
+ 'length' => 64,
+ 'not null' => TRUE,
+ 'description' => 'Type of item, e.g. node.',
+ ],
+ 'data' => [
+ 'type' => 'text',
+ 'not null' => TRUE,
+ 'size' => 'big',
+ 'description' => 'List of space-separated words from the item.',
+ ],
+ 'reindex' => [
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'default' => 0,
+ 'description' => 'Set to force node reindexing.',
+ ],
+ ],
+ 'primary key' => ['sid', 'langcode', 'type'],
+ ];
+
+ $schema['search_index'] = [
+ 'description' => 'Stores the search index, associating words, items and scores.',
+ 'fields' => [
+ 'word' => [
+ 'type' => 'varchar',
+ 'length' => 50,
+ 'not null' => TRUE,
+ 'default' => '',
+ 'description' => 'The {search_total}.word that is associated with the search item.',
+ ],
+ 'sid' => [
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'default' => 0,
+ 'description' => 'The {search_dataset}.sid of the searchable item to which the word belongs.',
+ ],
+ 'langcode' => [
+ 'type' => 'varchar_ascii',
+ 'length' => '12',
+ 'not null' => TRUE,
+ 'description' => 'The {languages}.langcode of the item variant.',
+ 'default' => '',
+ ],
+ 'type' => [
+ 'type' => 'varchar_ascii',
+ 'length' => 64,
+ 'not null' => TRUE,
+ 'description' => 'The {search_dataset}.type of the searchable item to which the word belongs.',
+ ],
+ 'score' => [
+ 'type' => 'float',
+ 'not null' => FALSE,
+ 'description' => 'The numeric score of the word, higher being more important.',
+ ],
+ ],
+ 'indexes' => [
+ 'sid_type' => ['sid', 'langcode', 'type'],
+ ],
+ 'foreign keys' => [
+ 'search_dataset' => [
+ 'table' => 'search_dataset',
+ 'columns' => [
+ 'sid' => 'sid',
+ 'langcode' => 'langcode',
+ 'type' => 'type',
+ ],
+ ],
+ ],
+ 'primary key' => ['word', 'sid', 'langcode', 'type'],
+ ];
+
+ $schema['search_total'] = [
+ 'description' => 'Stores search totals for words.',
+ 'fields' => [
+ 'word' => [
+ 'description' => 'Primary Key: Unique word in the search index.',
+ 'type' => 'varchar',
+ 'length' => 50,
+ 'not null' => TRUE,
+ 'default' => '',
+ ],
+ 'count' => [
+ 'description' => "The count of the word in the index using Zipf's law to equalize the probability distribution.",
+ 'type' => 'float',
+ 'not null' => FALSE,
+ ],
+ ],
+ 'primary key' => ['word'],
+ ];
+
+ return $schema;
+}
+
+/**
+ * Implements hook_requirements().
+ *
+ * For the Status Report, return information about search index status.
+ */
+function search_requirements($phase) {
+ $requirements = [];
+
+ if ($phase == 'runtime') {
+ $remaining = 0;
+ $total = 0;
+ $search_page_repository = \Drupal::service('search.search_page_repository');
+ foreach ($search_page_repository->getIndexableSearchPages() as $entity) {
+ $status = $entity->getPlugin()->indexStatus();
+ $remaining += $status['remaining'];
+ $total += $status['total'];
+ }
+
+ $done = $total - $remaining;
+ // Use floor() to calculate the percentage, so if it is not quite 100%, it
+ // will show as 99%, to indicate "almost done".
+ $percent = ($total > 0 ? floor(100 * $done / $total) : 100);
+ $requirements['search_status'] = [
+ 'title' => t('Search index progress'),
+ 'value' => t('@percent% (@remaining remaining)', ['@percent' => $percent, '@remaining' => $remaining]),
+ 'severity' => REQUIREMENT_INFO,
+ ];
+ }
+
+ return $requirements;
+}