filehash.install in File Hash 7

Install and uninstall functions for the filehash module.

File

filehash.install

<?php

/**
 * @file
 * Install and uninstall functions for the filehash module.
 */

/**
 * Implements hook_schema().
 */
function filehash_schema() {
  $schema['filehash'] = array(
    'description' => 'Store hashes for each uploaded file.',
    'fields' => array(
      'fid' => array(
        'description' => 'Primary key: {file_managed}.fid.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'md5' => array(
        'description' => 'MD5 hash for this file.',
        'type' => 'char',
        'length' => 32,
        'not null' => FALSE,
      ),
      'sha1' => array(
        'description' => 'SHA-1 hash for this file.',
        'type' => 'char',
        'length' => 40,
        'not null' => FALSE,
      ),
      'sha256' => array(
        'description' => 'SHA-256 hash for this file.',
        'type' => 'char',
        'length' => 64,
        'not null' => FALSE,
      ),
    ),
    'primary key' => array(
      'fid',
    ),
    'indexes' => array(
      'md5_idx' => array(
        'md5',
      ),
      'sha1_idx' => array(
        'sha1',
      ),
      'sha256_idx' => array(
        'sha256',
      ),
    ),
    'foreign keys' => array(
      'fid' => array(
        'table' => 'file_managed',
        'columns' => array(
          'fid' => 'fid',
        ),
      ),
    ),
  );
  return $schema;
}

/**
 * Implements hook_uninstall().
 */
function filehash_uninstall() {
  variable_del('filehash_algos');
  variable_del('filehash_dedupe');
}

Functions

Name	Description
filehash_schema	Implements hook_schema().
filehash_uninstall	Implements hook_uninstall().