function taxonomy_schema
Implements hook_schema().
File
-
modules/
taxonomy/ taxonomy.install, line 25
Code
function taxonomy_schema() {
$schema['taxonomy_term_data'] = array(
'description' => 'Stores term information.',
'fields' => array(
'tid' => array(
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'Primary Key: Unique term ID.',
),
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'The {taxonomy_vocabulary}.vid of the vocabulary to which the term is assigned.',
),
'name' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
'description' => 'The term name.',
'translatable' => TRUE,
),
'description' => array(
'type' => 'text',
'not null' => FALSE,
'size' => 'big',
'description' => 'A description of the term.',
'translatable' => TRUE,
),
'format' => array(
'type' => 'varchar',
'length' => 255,
'not null' => FALSE,
'description' => 'The {filter_format}.format of the description.',
),
'weight' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'description' => 'The weight of this term in relation to other terms.',
),
),
'primary key' => array(
'tid',
),
'foreign keys' => array(
'vocabulary' => array(
'table' => 'taxonomy_vocabulary',
'columns' => array(
'vid' => 'vid',
),
),
),
'indexes' => array(
'taxonomy_tree' => array(
'vid',
'weight',
'name',
),
'vid_name' => array(
'vid',
'name',
),
'name' => array(
'name',
),
),
);
$schema['taxonomy_term_hierarchy'] = array(
'description' => 'Stores the hierarchical relationship between terms.',
'fields' => array(
'tid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Primary Key: The {taxonomy_term_data}.tid of the term.',
),
'parent' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => "Primary Key: The {taxonomy_term_data}.tid of the term's parent. 0 indicates no parent.",
),
),
'indexes' => array(
'parent' => array(
'parent',
),
),
'foreign keys' => array(
'taxonomy_term_data' => array(
'table' => 'taxonomy_term_data',
'columns' => array(
'tid' => 'tid',
),
),
),
'primary key' => array(
'tid',
'parent',
),
);
$schema['taxonomy_vocabulary'] = array(
'description' => 'Stores vocabulary information.',
'fields' => array(
'vid' => array(
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'Primary Key: Unique vocabulary ID.',
),
'name' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
'description' => 'Name of the vocabulary.',
'translatable' => TRUE,
),
'machine_name' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
'description' => 'The vocabulary machine name.',
),
'description' => array(
'type' => 'text',
'not null' => FALSE,
'size' => 'big',
'description' => 'Description of the vocabulary.',
'translatable' => TRUE,
),
'hierarchy' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'size' => 'tiny',
'description' => 'The type of hierarchy allowed within the vocabulary. (0 = disabled, 1 = single, 2 = multiple)',
),
'module' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
'description' => 'The module which created the vocabulary.',
),
'weight' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'description' => 'The weight of this vocabulary in relation to other vocabularies.',
),
),
'primary key' => array(
'vid',
),
'indexes' => array(
'list' => array(
'weight',
'name',
),
),
'unique keys' => array(
'machine_name' => array(
'machine_name',
),
),
);
$schema['taxonomy_index'] = array(
'description' => 'Maintains denormalized information about node/term relationships.',
'fields' => array(
'nid' => array(
'description' => 'The {node}.nid this record tracks.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'tid' => array(
'description' => 'The term ID.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'sticky' => array(
'description' => 'Boolean indicating whether the node is sticky.',
'type' => 'int',
'not null' => FALSE,
'default' => 0,
'size' => 'tiny',
),
'created' => array(
'description' => 'The Unix timestamp when the node was created.',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
),
),
'indexes' => array(
'term_node' => array(
'tid',
'sticky',
'created',
),
'nid' => array(
'nid',
),
),
'foreign keys' => array(
'tracked_node' => array(
'table' => 'node',
'columns' => array(
'nid' => 'nid',
),
),
'term' => array(
'table' => 'taxonomy_term_data',
'columns' => array(
'tid' => 'tid',
),
),
),
);
return $schema;
}
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.