function comment_schema in Drupal 8

Same name and namespace in other branches

1. 6 modules/comment/comment.install \comment_schema()
2. 7 modules/comment/comment.install \comment_schema()
3. 9 core/modules/comment/comment.install \comment_schema()
4. 10 core/modules/comment/comment.install \comment_schema()

Implements hook_schema().

File

core/modules/comment/comment.install, line 66

Install, update and uninstall functions for the Comment module.

Code

function comment_schema() {
  $schema['comment_entity_statistics'] = [
    'description' => 'Maintains statistics of entity and comments posts to show "new" and "updated" flags.',
    'fields' => [
      'entity_id' => [
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The entity_id of the entity for which the statistics are compiled.',
      ],
      'entity_type' => [
        'type' => 'varchar_ascii',
        'not null' => TRUE,
        'default' => 'node',
        'length' => EntityTypeInterface::ID_MAX_LENGTH,
        'description' => 'The entity_type of the entity to which this comment is a reply.',
      ],
      'field_name' => [
        'type' => 'varchar_ascii',
        'not null' => TRUE,
        'default' => '',
        'length' => FieldStorageConfig::NAME_MAX_LENGTH,
        'description' => 'The field_name of the field that was used to add this comment.',
      ],
      'cid' => [
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The {comment}.cid of the last comment.',
      ],
      'last_comment_timestamp' => [
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The Unix timestamp of the last comment that was posted within this node, from {comment}.changed.',
      ],
      'last_comment_name' => [
        'type' => 'varchar',
        'length' => 60,
        'not null' => FALSE,
        'description' => 'The name of the latest author to post a comment on this node, from {comment}.name.',
      ],
      'last_comment_uid' => [
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The user ID of the latest author to post a comment on this node, from {comment}.uid.',
      ],
      'comment_count' => [
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The total number of comments on this entity.',
      ],
    ],
    'primary key' => [
      'entity_id',
      'entity_type',
      'field_name',
    ],
    'indexes' => [
      'last_comment_timestamp' => [
        'last_comment_timestamp',
      ],
      'comment_count' => [
        'comment_count',
      ],
      'last_comment_uid' => [
        'last_comment_uid',
      ],
    ],
    'foreign keys' => [
      'last_comment_author' => [
        'table' => 'users',
        'columns' => [
          'last_comment_uid' => 'uid',
        ],
      ],
    ],
  ];
  return $schema;
}