custom_block.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the custom block module.
 */

/**
 * Implements hook_schema().
 */
function custom_block_schema() {
  $schema = array();
  $schema['custom_block'] = array(
    'description' => 'Stores contents of custom-made blocks.',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => "The block's {custom_block}.id.",
      ),
      'uuid' => array(
        'description' => 'Unique Key: Universally unique identifier for this entity.',
        'type' => 'varchar',
        'length' => 128,
        'not null' => FALSE,
      ),
      'info' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Block description.',
      ),
      // Defaults to NULL in order to avoid a brief period of potential
      // deadlocks on the index.
      'revision_id' => array(
        'description' => 'The current {block_custom_revision}.revision_id version identifier.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => FALSE,
        'default' => NULL,
      ),
      'type' => array(
        'description' => 'The type of this custom block.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'langcode' => array(
        'description' => 'The {language}.langcode of this node.',
        'type' => 'varchar',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'primary key' => array(
      'id',
    ),
    'indexes' => array(
      'block_custom_type' => array(
        array(
          'type',
          4,
        ),
      ),
    ),
    'unique keys' => array(
      'revision_id' => array(
        'revision_id',
      ),
      'uuid' => array(
        'uuid',
      ),
      'info' => array(
        'info',
      ),
    ),
    'foreign keys' => array(
      'custom_block_revision' => array(
        'table' => 'custom_block_revision',
        'columns' => array(
          'revision_id' => 'revision_id',
        ),
      ),
    ),
  );
  $schema['custom_block_revision'] = array(
    'description' => 'Stores contents of custom-made blocks.',
    'fields' => array(
      'id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => "The block's {custom_block}.id.",
      ),
      // Defaults to NULL in order to avoid a brief period of potential
      // deadlocks on the index.
      'revision_id' => array(
        'description' => 'The current version identifier.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'log' => array(
        'description' => 'The log entry explaining the changes in this version.',
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big',
      ),
      'info' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Block description.',
      ),
    ),
    'primary key' => array(
      'revision_id',
    ),
  );
  return $schema;
}

/**
 * Implements hook_schema_0().
 */
function custom_block_schema_0() {
  $schema = array();
  $schema['custom_block'] = array(
    'description' => 'Stores contents of custom-made blocks.',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => "The block's {custom_block}.id.",
      ),
      'uuid' => array(
        'description' => 'Unique Key: Universally unique identifier for this entity.',
        'type' => 'varchar',
        'length' => 128,
        'not null' => FALSE,
      ),
      'info' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Block description.',
      ),
      // Defaults to NULL in order to avoid a brief period of potential
      // deadlocks on the index.
      'revision_id' => array(
        'description' => 'The current {block_custom_revision}.revision_id version identifier.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => FALSE,
        'default' => NULL,
      ),
      'type' => array(
        'description' => 'The type of this custom block.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'langcode' => array(
        'description' => 'The {language}.langcode of this node.',
        'type' => 'varchar',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'primary key' => array(
      'id',
    ),
    'indexes' => array(
      'block_custom_type' => array(
        array(
          'type',
          4,
        ),
      ),
    ),
    'unique keys' => array(
      'revision_id' => array(
        'revision_id',
      ),
      'uuid' => array(
        'uuid',
      ),
      'info' => array(
        'info',
      ),
    ),
    'foreign keys' => array(
      'custom_block_revision' => array(
        'table' => 'custom_block_revision',
        'columns' => array(
          'revision_id' => 'revision_id',
        ),
      ),
    ),
  );
  $schema['custom_block_revision'] = array(
    'description' => 'Stores contents of custom-made blocks.',
    'fields' => array(
      'id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => "The block's {custom_block}.id.",
      ),
      // Defaults to NULL in order to avoid a brief period of potential
      // deadlocks on the index.
      'revision_id' => array(
        'description' => 'The current version identifier.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'log' => array(
        'description' => 'The log entry explaining the changes in this version.',
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big',
      ),
      'info' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Block description.',
      ),
    ),
    'primary key' => array(
      'revision_id',
    ),
  );
  return $schema;
}