drupal/core/modules/statistics/statistics.install

<?php

/**
 * @file
 * Install and update functions for the Statistics module.
 */

/**
 * Implements hook_uninstall().
 */
function statistics_uninstall() {
  // Remove states.
  \Drupal::state()->delete('statistics.node_counter_scale');
  \Drupal::state()->delete('statistics.day_timestamp');
}

/**
 * Implements hook_schema().
 */
function statistics_schema() {
  $schema['node_counter'] = [
    'description' => 'Access statistics for {node}s.',
    'fields' => [
      'nid' => [
        'description' => 'The {node}.nid for these statistics.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ],
      'totalcount' => [
        'description' => 'The total number of times the {node} has been viewed.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'big',
      ],
      'daycount' => [
        'description' => 'The total number of times the {node} has been viewed today.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'medium',
      ],
      'timestamp' => [
        'description' => 'The most recent time the {node} has been viewed.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ],
    ],
    'primary key' => ['nid'],
  ];

  return $schema;
}

/**
 * Implements hook_update_last_removed().
 */
function statistics_update_last_removed() {
  return 8300;
}