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<?php
// $Id$
/**
* Implementation of hook_install().
*/
function search_install() {
// Create tables.
drupal_install_schema('search');
}
/**
* Implementation of hook_uninstall().
*/
function search_uninstall() {
// Remove tables.
drupal_uninstall_schema('search');
variable_del('minimum_word_size');
variable_del('overlap_cjk');
variable_del('search_cron_limit');
}
/**
* Implementation of hook_schema().
*/
function search_schema() {
$schema['search_dataset'] = array(
'description' => t('Stores items that will be searched.'),
'fields' => array(
'sid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('Search item ID, e.g. node ID for nodes.'),
),
'type' => array(
'type' => 'varchar',
'length' => 16,
'not null' => FALSE,
'description' => t('Type of item, e.g. node.'),
),
'data' => array(
'type' => 'text',
'not null' => TRUE,
'size' => 'big',
'description' => t('List of space-separated words from the item.'),
),
),
'indexes' => array('sid_type' => array('sid', 'type')),
);
$schema['search_index'] = array(
'description' => t('Stores the search index, associating words, items and scores.'),
'fields' => array(
'word' => array(
'type' => 'varchar',
'length' => 50,
'not null' => TRUE,
'default' => '',
'description' => t('The {search_total}.word that is associated with the search item.'),
),
'sid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('The {search_dataset}.sid of the searchable item to which the word belongs.'),
),
'type' => array(
'type' => 'varchar',
'length' => 16,
'not null' => FALSE,
'description' => t('The {search_dataset}.type of the searchable item to which the word belongs.'),
),
'fromsid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('The {search_dataset}.sid of the referring link to this item.'),
),
'fromtype' => array(
'type' => 'varchar',
'length' => 16,
'not null' => FALSE,
'description' => t('The {search_dataset}.type of the referring link to this item.'),
),
'score' => array(
'type' => 'float',
'not null' => FALSE,
'description' => t('The numeric score of the word, higher being more important.'),
),
),
'indexes' => array(
'from_sid_type' => array('fromsid', 'fromtype'),
'sid_type' => array('sid', 'type'),
'word' => array('word')
),
);
$schema['search_total'] = array(
'description' => t('Stores search totals for words.'),
'fields' => array(
'word' => array(
'description' => t('Primary Key: Unique word in the search index.'),
'type' => 'varchar',
'length' => 50,
'not null' => TRUE,
'default' => '',
),
'count' => array(
'description' => t("The count of the word in the index using Zipf's law to equalize the probability distribution."),
'type' => 'float',
'not null' => FALSE,
),
),
'primary key' => array('word'),
);
return $schema;
}
|
