function crm_core_activity_schema in CRM Core 7

Implements hook_schema().

File

modules/crm_core_activity/crm_core_activity.install, line 53

Install, update, and uninstall functions for the CRM Core Activity module.

Code

function crm_core_activity_schema() {
  $schema = array();
  $schema['crm_core_activity'] = array(
    'description' => 'The base table for activities.',
    'fields' => array(
      'activity_id' => array(
        'description' => 'The primary identifier for an activity.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'revision_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => FALSE,
        'default' => NULL,
        'description' => 'Primary identifier of this {crm_core_activity_revision}.',
      ),
      'uid' => array(
        'description' => 'The {users}.uid that owns this activity; initially, this is the user that created it.',
        'type' => 'int',
        'not null' => TRUE,
      ),
      'type' => array(
        'description' => 'The type (bundle) of this activity.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'title' => array(
        'description' => 'The title of the activity.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'created' => array(
        'description' => 'The Unix timestamp when the activity was created.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'changed' => array(
        'description' => 'The Unix timestamp when the activity was most recently saved.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'indexes' => array(
      'created' => array(
        'created',
      ),
      'changed' => array(
        'changed',
      ),
    ),
    'foreign keys' => array(
      'activity_type' => array(
        'table' => 'crm_core_activity_type',
        'columns' => array(
          'type' => 'type',
        ),
      ),
      'activity_revision' => array(
        'table' => 'crm_core_activity_revision',
        'columns' => array(
          'revision_id' => 'revision_id',
        ),
      ),
    ),
    'primary key' => array(
      'activity_id',
    ),
  );
  $schema['crm_core_activity_revision'] = array(
    'description' => 'Stores information about each saved revision of a {crm_core_activity}',
    'fields' => array(
      'revision_id' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary identifier of this {crm_core_activity_revision}.',
      ),
      'activity_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => FALSE,
        'default' => NULL,
        'description' => 'The {crm_core_activity}.activity_id for this revision.',
      ),
      'uid' => array(
        'description' => 'The {users}.uid that created this version.',
        'type' => 'int',
        'not null' => TRUE,
      ),
      'title' => array(
        'description' => 'The title of the activity.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'created' => array(
        'description' => 'The Unix timestamp when the activity was created.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'changed' => array(
        'description' => 'The Unix timestamp when the activity was most recently saved.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'foreign keys' => array(
      'versioned_activity' => array(
        'table' => 'crm_core_activity',
        'columns' => array(
          'activity_id' => 'activity_id',
        ),
      ),
      'version_creator' => array(
        'table' => 'user',
        'columns' => array(
          'uid' => 'uid',
        ),
      ),
    ),
    'primary key' => array(
      'revision_id',
    ),
  );
  $schema['crm_core_activity_type'] = array(
    'description' => 'Stores information about all defined activity types.',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary Key: Unique activity type ID.',
      ),
      'type' => array(
        'description' => 'The machine-readable name of this type.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
      ),
      'label' => array(
        'description' => 'The human-readable name of this type.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'description' => array(
        'description' => 'A brief description of this type.',
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'medium',
        'translatable' => TRUE,
      ),
      'activity_string' => array(
        'description' => 'Text describing the relationship between the contact and this activity.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'translatable' => TRUE,
      ),
    ) + entity_exportable_schema_fields(),
    'primary key' => array(
      'id',
    ),
    'unique keys' => array(
      'type' => array(
        'type',
      ),
    ),
  );
  if (module_exists('uuid')) {
    $field = uuid_schema_field_definition();
    $schema['crm_core_activity']['fields']['uuid'] = $field;
    $schema['crm_core_activity']['indexes']['uuid'] = array(
      'uuid',
    );
    $schema['crm_core_activity_revision']['fields']['vuuid'] = $field;
    $schema['crm_core_activity_revision']['indexes']['vuuid'] = array(
      'vuuid',
    );
  }
  return $schema;
}