node_schema
function node_schema
node_schema()
Implements hook_schema().
File
- modules/node/node.install, line 11
- Install, update and uninstall functions for the node module.
Code
function node_schema() { $schema['node'] = array( 'description' => 'The base table for nodes.', 'fields' => array( 'nid' => array( 'description' => 'The primary identifier for a node.', 'type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE, ), // Defaults to NULL in order to avoid a brief period of potential // deadlocks on the index. 'vid' => array( 'description' => 'The current {node_revision}.vid version identifier.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => FALSE, 'default' => NULL, ), 'type' => array( 'description' => 'The {node_type}.type of this node.', 'type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => '', ), 'language' => array( 'description' => 'The {languages}.language of this node.', 'type' => 'varchar', 'length' => 12, 'not null' => TRUE, 'default' => '', ), 'title' => array( 'description' => 'The title of this node, always treated as non-markup plain text.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', ), 'uid' => array( 'description' => 'The {users}.uid that owns this node; initially, this is the user that created it.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'status' => array( 'description' => 'Boolean indicating whether the node is published (visible to non-administrators).', 'type' => 'int', 'not null' => TRUE, 'default' => 1, ), 'created' => array( 'description' => 'The Unix timestamp when the node was created.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'changed' => array( 'description' => 'The Unix timestamp when the node was most recently saved.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'comment' => array( 'description' => 'Whether comments are allowed on this node: 0 = no, 1 = closed (read only), 2 = open (read/write).', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'promote' => array( 'description' => 'Boolean indicating whether the node should be displayed on the front page.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'sticky' => array( 'description' => 'Boolean indicating whether the node should be displayed at the top of lists in which it appears.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'tnid' => array( 'description' => 'The translation set id for this node, which equals the node id of the source post in each set.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'translate' => array( 'description' => 'A boolean indicating whether this translation page needs to be updated.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), ), 'indexes' => array( 'node_changed' => array('changed'), 'node_created' => array('created'), 'node_frontpage' => array('promote', 'status', 'sticky', 'created'), 'node_status_type' => array('status', 'type', 'nid'), 'node_title_type' => array('title', array('type', 4)), 'node_type' => array(array('type', 4)), 'uid' => array('uid'), 'tnid' => array('tnid'), 'translate' => array('translate'), 'language' => array('language'), ), 'unique keys' => array( 'vid' => array('vid'), ), 'foreign keys' => array( 'node_revision' => array( 'table' => 'node_revision', 'columns' => array('vid' => 'vid'), ), 'node_author' => array( 'table' => 'users', 'columns' => array('uid' => 'uid'), ), ), 'primary key' => array('nid'), ); $schema['node_access'] = array( 'description' => 'Identifies which realm/grant pairs a user must possess in order to view, update, or delete specific nodes.', 'fields' => array( 'nid' => array( 'description' => 'The {node}.nid this record affects.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'gid' => array( 'description' => "The grant ID a user must possess in the specified realm to gain this row's privileges on the node.", 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'realm' => array( 'description' => 'The realm in which the user must possess the grant ID. Each node access node can define one or more realms.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', ), 'grant_view' => array( 'description' => 'Boolean indicating whether a user with the realm/grant pair can view this node.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'size' => 'tiny', ), 'grant_update' => array( 'description' => 'Boolean indicating whether a user with the realm/grant pair can edit this node.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'size' => 'tiny', ), 'grant_delete' => array( 'description' => 'Boolean indicating whether a user with the realm/grant pair can delete this node.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'size' => 'tiny', ), ), 'primary key' => array('nid', 'gid', 'realm'), 'foreign keys' => array( 'affected_node' => array( 'table' => 'node', 'columns' => array('nid' => 'nid'), ), ), ); $schema['node_revision'] = array( 'description' => 'Stores information about each saved version of a {node}.', 'fields' => array( 'nid' => array( 'description' => 'The {node} this version belongs to.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'vid' => array( 'description' => 'The primary identifier for this version.', 'type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE, ), 'uid' => array( 'description' => 'The {users}.uid that created this version.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'title' => array( 'description' => 'The title of this version.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', ), 'log' => array( 'description' => 'The log entry explaining the changes in this version.', 'type' => 'text', 'not null' => TRUE, 'size' => 'big', ), 'timestamp' => array( 'description' => 'A Unix timestamp indicating when this version was created.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'status' => array( 'description' => 'Boolean indicating whether the node (at the time of this revision) is published (visible to non-administrators).', 'type' => 'int', 'not null' => TRUE, 'default' => 1, ), 'comment' => array( 'description' => 'Whether comments are allowed on this node (at the time of this revision): 0 = no, 1 = closed (read only), 2 = open (read/write).', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'promote' => array( 'description' => 'Boolean indicating whether the node (at the time of this revision) should be displayed on the front page.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'sticky' => array( 'description' => 'Boolean indicating whether the node (at the time of this revision) should be displayed at the top of lists in which it appears.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), ), 'indexes' => array( 'nid' => array('nid'), 'uid' => array('uid'), ), 'primary key' => array('vid'), 'foreign keys' => array( 'versioned_node' => array( 'table' => 'node', 'columns' => array('nid' => 'nid'), ), 'version_author' => array( 'table' => 'users', 'columns' => array('uid' => 'uid'), ), ), ); $schema['node_type'] = array( 'description' => 'Stores information about all defined {node} types.', 'fields' => array( 'type' => array( 'description' => 'The machine-readable name of this type.', 'type' => 'varchar', 'length' => 32, 'not null' => TRUE, ), 'name' => array( 'description' => 'The human-readable name of this type.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', 'translatable' => TRUE, ), 'base' => array( 'description' => 'The base string used to construct callbacks corresponding to this node type.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, ), 'module' => array( 'description' => 'The module defining this node type.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, ), 'description' => array( 'description' => 'A brief description of this type.', 'type' => 'text', 'not null' => TRUE, 'size' => 'medium', 'translatable' => TRUE, ), 'help' => array( 'description' => 'Help information shown to the user when creating a {node} of this type.', 'type' => 'text', 'not null' => TRUE, 'size' => 'medium', 'translatable' => TRUE, ), 'has_title' => array( 'description' => 'Boolean indicating whether this type uses the {node}.title field.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'size' => 'tiny', ), 'title_label' => array( 'description' => 'The label displayed for the title field on the edit form.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', 'translatable' => TRUE, ), 'custom' => array( 'description' => 'A boolean indicating whether this type is defined by a module (FALSE) or by a user via Add content type (TRUE).', 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'tiny', ), 'modified' => array( 'description' => 'A boolean indicating whether this type has been modified by an administrator; currently not used in any way.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'tiny', ), 'locked' => array( 'description' => 'A boolean indicating whether the administrator can change the machine name of this type.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'tiny', ), 'disabled' => array( 'description' => 'A boolean indicating whether the node type is disabled.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'tiny' ), 'orig_type' => array( 'description' => 'The original machine-readable name of this node type. This may be different from the current type name if the locked field is 0.', 'type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '', ), ), 'primary key' => array('type'), ); $schema['block_node_type'] = array( 'description' => 'Sets up display criteria for blocks based on content types', 'fields' => array( 'module' => array( 'type' => 'varchar', 'length' => 64, 'not null' => TRUE, 'description' => "The block's origin module, from {block}.module.", ), 'delta' => array( 'type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'description' => "The block's unique delta within module, from {block}.delta.", ), 'type' => array( 'type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'description' => "The machine-readable name of this type from {node_type}.type.", ), ), 'primary key' => array('module', 'delta', 'type'), 'indexes' => array( 'type' => array('type'), ), ); $schema['history'] = array( 'description' => 'A record of which {users} have read which {node}s.', 'fields' => array( 'uid' => array( 'description' => 'The {users}.uid that read the {node} nid.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'nid' => array( 'description' => 'The {node}.nid that was read.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'timestamp' => array( 'description' => 'The Unix timestamp at which the read occurred.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), ), 'primary key' => array('uid', 'nid'), 'indexes' => array( 'nid' => array('nid'), ), ); return $schema; }
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