262 lines
8.8 KiB
Plaintext
262 lines
8.8 KiB
Plaintext
<?php
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/**
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* @file
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* Install, update and uninstall functions for the comment module.
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*/
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/**
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* Implements hook_uninstall().
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*/
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function comment_uninstall() {
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// Delete comment_body field.
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field_delete_field('comment_body');
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// Remove variables.
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variable_del('comment_block_count');
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$node_types = array_keys(node_type_get_types());
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foreach ($node_types as $node_type) {
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field_attach_delete_bundle('comment', 'comment_node_' . $node_type);
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variable_del('comment_' . $node_type);
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variable_del('comment_anonymous_' . $node_type);
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variable_del('comment_controls_' . $node_type);
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variable_del('comment_default_mode_' . $node_type);
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variable_del('comment_default_order_' . $node_type);
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variable_del('comment_default_per_page_' . $node_type);
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variable_del('comment_form_location_' . $node_type);
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variable_del('comment_preview_' . $node_type);
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variable_del('comment_subject_field_' . $node_type);
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}
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}
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/**
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* Implements hook_enable().
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*/
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function comment_enable() {
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// Insert records into the node_comment_statistics for nodes that are missing.
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$query = db_select('node', 'n');
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$query->leftJoin('node_comment_statistics', 'ncs', 'ncs.nid = n.nid');
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$query->addField('n', 'created', 'last_comment_timestamp');
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$query->addField('n', 'uid', 'last_comment_uid');
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$query->addField('n', 'nid');
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$query->addExpression('0', 'comment_count');
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$query->addExpression('NULL', 'last_comment_name');
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$query->isNull('ncs.comment_count');
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db_insert('node_comment_statistics')
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->from($query)
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->execute();
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}
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/**
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* Implements hook_modules_enabled().
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*
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* Creates comment body fields for node types existing before the comment module
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* is enabled. We use hook_modules_enabled() rather than hook_enable() so we can
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* react to node types of existing modules, and those of modules being enabled
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* both before and after comment module in the loop of module_enable().
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*
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* There is a separate comment bundle for each node type to allow for
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* per-node-type customization of comment fields. Each one of these bundles
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* needs a comment body field instance. A comment bundle is needed even for
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* node types whose comments are disabled by default, because individual nodes
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* may override that default.
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*
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* @see comment_node_type_insert()
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*/
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function comment_modules_enabled($modules) {
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// Only react if comment module is one of the modules being enabled.
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// hook_node_type_insert() is used to create body fields while the comment
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// module is enabled.
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if (in_array('comment', $modules)) {
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// Ensure that the list of node types reflects newly enabled modules.
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node_types_rebuild();
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// Create comment body fields for each node type, if needed.
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foreach (node_type_get_types() as $type => $info) {
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_comment_body_field_create($info);
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}
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}
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}
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/**
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* Implements hook_schema().
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*/
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function comment_schema() {
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$schema['comment'] = array(
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'description' => 'Stores comments and associated data.',
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'fields' => array(
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'cid' => array(
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'type' => 'serial',
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'not null' => TRUE,
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'description' => 'Primary Key: Unique comment ID.',
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),
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'pid' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The {comment}.cid to which this comment is a reply. If set to 0, this comment is not a reply to an existing comment.',
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),
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'nid' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The {node}.nid to which this comment is a reply.',
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),
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'uid' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The {users}.uid who authored the comment. If set to 0, this comment was created by an anonymous user.',
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),
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'subject' => array(
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'type' => 'varchar',
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'length' => 64,
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'not null' => TRUE,
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'default' => '',
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'description' => 'The comment title.',
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),
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'hostname' => array(
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'type' => 'varchar',
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'length' => 128,
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'not null' => TRUE,
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'default' => '',
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'description' => "The author's host name.",
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),
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'created' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The time that the comment was created, as a Unix timestamp.',
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),
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'changed' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The time that the comment was last edited, as a Unix timestamp.',
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),
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'status' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 1,
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'size' => 'tiny',
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'description' => 'The published status of a comment. (0 = Not Published, 1 = Published)',
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),
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'thread' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'description' => "The alphadecimal representation of the comment's place in a thread, consisting of a base 36 string prefixed by an integer indicating its length.",
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),
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'name' => array(
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'type' => 'varchar',
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'length' => 60,
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'not null' => FALSE,
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'description' => "The comment author's name. Uses {users}.name if the user is logged in, otherwise uses the value typed into the comment form.",
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),
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'mail' => array(
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'type' => 'varchar',
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'length' => 64,
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'not null' => FALSE,
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'description' => "The comment author's e-mail address from the comment form, if user is anonymous, and the 'Anonymous users may/must leave their contact information' setting is turned on.",
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),
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'homepage' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => FALSE,
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'description' => "The comment author's home page address from the comment form, if user is anonymous, and the 'Anonymous users may/must leave their contact information' setting is turned on.",
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),
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'language' => array(
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'description' => 'The {languages}.language of this comment.',
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'type' => 'varchar',
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'length' => 12,
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'not null' => TRUE,
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'default' => '',
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),
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),
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'indexes' => array(
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'comment_status_pid' => array('pid', 'status'),
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'comment_num_new' => array('nid', 'status', 'created', 'cid', 'thread'),
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'comment_uid' => array('uid'),
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'comment_nid_language' => array('nid', 'language'),
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'comment_created' => array('created'),
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),
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'primary key' => array('cid'),
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'foreign keys' => array(
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'comment_node' => array(
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'table' => 'node',
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'columns' => array('nid' => 'nid'),
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),
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'comment_author' => array(
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'table' => 'users',
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'columns' => array('uid' => 'uid'),
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),
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),
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);
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$schema['node_comment_statistics'] = array(
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'description' => 'Maintains statistics of node and comments posts to show "new" and "updated" flags.',
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'fields' => array(
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'nid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The {node}.nid for which the statistics are compiled.',
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),
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'cid' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The {comment}.cid of the last comment.',
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),
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'last_comment_timestamp' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The Unix timestamp of the last comment that was posted within this node, from {comment}.changed.',
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),
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'last_comment_name' => array(
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'type' => 'varchar',
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'length' => 60,
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'not null' => FALSE,
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'description' => 'The name of the latest author to post a comment on this node, from {comment}.name.',
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),
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'last_comment_uid' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The user ID of the latest author to post a comment on this node, from {comment}.uid.',
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),
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'comment_count' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The total number of comments on this node.',
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),
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),
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'primary key' => array('nid'),
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'indexes' => array(
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'node_comment_timestamp' => array('last_comment_timestamp'),
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'comment_count' => array('comment_count'),
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'last_comment_uid' => array('last_comment_uid'),
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),
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'foreign keys' => array(
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'statistics_node' => array(
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'table' => 'node',
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'columns' => array('nid' => 'nid'),
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),
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'last_comment_author' => array(
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'table' => 'users',
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'columns' => array(
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'last_comment_uid' => 'uid',
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),
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),
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),
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);
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return $schema;
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}
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