468 lines
13 KiB
Plaintext
Executable File
468 lines
13 KiB
Plaintext
Executable File
<?php
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/**
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* @file
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* Install, update, and uninstall functions for the Forum module.
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*/
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/**
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* Implements hook_install().
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*/
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function forum_install() {
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// Set the weight of the forum.module to 1 so it is loaded after the taxonomy.module.
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db_update('system')
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->fields(array('weight' => 1))
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->condition('name', 'forum')
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->execute();
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// Forum topics are published by default, but do not have any other default
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// options set (for example, they are not promoted to the front page).
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variable_set('node_options_forum', array('status'));
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}
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/**
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* Implements hook_enable().
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*/
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function forum_enable() {
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// If we enable forum at the same time as taxonomy we need to call
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// field_associate_fields() as otherwise the field won't be enabled until
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// hook modules_enabled is called which takes place after hook_enable events.
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field_associate_fields('taxonomy');
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// Create the forum vocabulary if it does not exist.
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$vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0));
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if (!$vocabulary) {
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$edit = array(
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'name' => t('Forums'),
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'machine_name' => 'forums',
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'description' => t('Forum navigation vocabulary'),
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'hierarchy' => 1,
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'module' => 'forum',
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'weight' => -10,
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);
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$vocabulary = (object) $edit;
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taxonomy_vocabulary_save($vocabulary);
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variable_set('forum_nav_vocabulary', $vocabulary->vid);
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}
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// Create the 'taxonomy_forums' field if it doesn't already exist.
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if (!field_info_field('taxonomy_forums')) {
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$field = array(
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'field_name' => 'taxonomy_forums',
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'type' => 'taxonomy_term_reference',
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'settings' => array(
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'allowed_values' => array(
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array(
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'vocabulary' => $vocabulary->machine_name,
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'parent' => 0,
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),
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),
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),
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);
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field_create_field($field);
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// Create a default forum so forum posts can be created.
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$edit = array(
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'name' => t('General discussion'),
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'description' => '',
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'parent' => array(0),
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'vid' => $vocabulary->vid,
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);
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$term = (object) $edit;
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taxonomy_term_save($term);
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// Create the instance on the bundle.
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$instance = array(
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'field_name' => 'taxonomy_forums',
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'entity_type' => 'node',
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'label' => $vocabulary->name,
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'bundle' => 'forum',
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'required' => TRUE,
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'widget' => array(
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'type' => 'options_select',
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),
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'display' => array(
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'default' => array(
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'type' => 'taxonomy_term_reference_link',
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'weight' => 10,
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),
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'teaser' => array(
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'type' => 'taxonomy_term_reference_link',
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'weight' => 10,
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),
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),
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);
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field_create_instance($instance);
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}
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// Ensure the forum node type is available.
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node_types_rebuild();
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$types = node_type_get_types();
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node_add_body_field($types['forum']);
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}
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/**
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* Implements hook_uninstall().
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*/
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function forum_uninstall() {
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// Load the dependent Taxonomy module, in case it has been disabled.
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drupal_load('module', 'taxonomy');
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variable_del('forum_containers');
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variable_del('forum_hot_topic');
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variable_del('forum_per_page');
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variable_del('forum_order');
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variable_del('forum_block_num_active');
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variable_del('forum_block_num_new');
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variable_del('node_options_forum');
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field_delete_field('taxonomy_forums');
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// Purge field data now to allow taxonomy module to be uninstalled
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// if this is the only field remaining.
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field_purge_batch(10);
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}
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/**
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* Implements hook_schema().
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*/
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function forum_schema() {
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$schema['forum'] = array(
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'description' => 'Stores the relationship of nodes to forum terms.',
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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 of the node.',
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),
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'vid' => 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' => 'Primary Key: The {node}.vid of the node.',
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),
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'tid' => 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 {taxonomy_term_data}.tid of the forum term assigned to the node.',
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),
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),
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'indexes' => array(
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'forum_topic' => array('nid', 'tid'),
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'tid' => array('tid'),
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),
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'primary key' => array('vid'),
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'foreign keys' => array(
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'forum_node' => array(
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'table' => 'node',
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'columns' => array(
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'nid' => 'nid',
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'vid' => 'vid',
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),
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),
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),
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);
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$schema['forum_index'] = array(
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'description' => 'Maintains denormalized information about node/term relationships.',
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'fields' => array(
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'nid' => array(
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'description' => 'The {node}.nid this record tracks.',
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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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),
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'title' => array(
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'description' => 'The title of this node, always treated as non-markup plain text.',
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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),
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'tid' => array(
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'description' => 'The term ID.',
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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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),
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'sticky' => array(
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'description' => 'Boolean indicating whether the node is sticky.',
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'type' => 'int',
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'not null' => FALSE,
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'default' => 0,
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'size' => 'tiny',
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),
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'created' => array(
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'description' => 'The Unix timestamp when the node was created.',
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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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),
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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}.timestamp.',
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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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'indexes' => array(
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'forum_topics' => array('nid', 'tid', 'sticky', 'last_comment_timestamp'),
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'created' => array('created'),
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'last_comment_timestamp' => array('last_comment_timestamp'),
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),
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'foreign keys' => array(
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'tracked_node' => array(
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'table' => 'node',
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'columns' => array('nid' => 'nid'),
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),
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'term' => array(
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'table' => 'taxonomy_term_data',
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'columns' => array(
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'tid' => 'tid',
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),
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),
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),
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);
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return $schema;
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}
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/**
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* Implements hook_update_dependencies().
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*/
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function forum_update_dependencies() {
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$dependencies['forum'][7003] = array(
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// Forum update 7003 uses field API update functions, so must run after
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// Field API has been enabled.
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'system' => 7020,
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// Forum update 7003 relies on updated taxonomy module schema. Ensure it
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// runs after all taxonomy updates.
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'taxonomy' => 7010,
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);
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return $dependencies;
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}
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/**
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* Add new index to forum table.
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*/
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function forum_update_7000() {
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db_drop_index('forum', 'nid');
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db_add_index('forum', 'forum_topic', array('nid', 'tid'));
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}
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/**
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* Create new {forum_index} table.
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*/
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function forum_update_7001() {
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$forum_index = array(
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'description' => 'Maintains denormalized information about node/term relationships.',
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'fields' => array(
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'nid' => array(
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'description' => 'The {node}.nid this record tracks.',
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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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),
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'title' => array(
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'description' => 'The title of this node, always treated as non-markup plain text.',
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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),
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'tid' => array(
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'description' => 'The term ID.',
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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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),
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'sticky' => array(
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'description' => 'Boolean indicating whether the node is sticky.',
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'type' => 'int',
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'not null' => FALSE,
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'default' => 0,
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'size' => 'tiny',
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),
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'created' => array(
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'description' => 'The Unix timestamp when the node was created.',
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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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),
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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}.timestamp.',
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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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'indexes' => array(
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'forum_topics' => array('tid', 'sticky', 'last_comment_timestamp'),
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),
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'foreign keys' => array(
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'tracked_node' => array(
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'table' => 'node',
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'columns' => array('nid' => 'nid'),
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),
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'term' => array(
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'table' => 'taxonomy_term_data',
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'columns' => array(
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'tid' => 'tid',
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),
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),
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),
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);
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db_create_table('forum_index', $forum_index);
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$select = db_select('node', 'n');
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$forum_alias = $select->join('forum', 'f', 'n.vid = f.vid');
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$ncs_alias = $select->join('node_comment_statistics', 'ncs', 'n.nid = ncs.nid');
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$select
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->fields('n', array('nid', 'title', 'sticky', 'created'))
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->fields($forum_alias, array('tid'))
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->fields($ncs_alias, array('last_comment_timestamp', 'comment_count'));
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db_insert('forum_index')
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->fields(array('nid', 'title', 'sticky', 'created', 'tid', 'last_comment_timestamp', 'comment_count'))
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->from($select)
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->execute();
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}
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/**
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* @addtogroup updates-7.x-extra
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* @{
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*/
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/**
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* Add new index to forum_index table.
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*/
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function forum_update_7002() {
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db_drop_index('forum_index', 'forum_topics');
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db_add_index('forum_index', 'forum_topics', array('nid', 'tid', 'sticky', 'last_comment_timestamp'));
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}
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/**
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* Rename field to 'taxonomy_forums'.
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*/
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function forum_update_7003() {
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$messages = array();
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$new_field_name = 'taxonomy_forums';
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// Test to see if the taxonomy_forums field exists.
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$fields = _update_7000_field_read_fields(array('field_name' => $new_field_name));
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if ($fields) {
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// Since the field exists, we're done.
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return;
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}
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// Calculate the old field name.
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$vid = variable_get('forum_nav_vocabulary', 0);
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$vocabulary_machine_name = db_select('taxonomy_vocabulary', 'tv')
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->fields('tv', array('machine_name'))
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->condition('vid', $vid)
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->execute()
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->fetchField();
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$old_field_name = 'taxonomy_' . $vocabulary_machine_name;
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// Read the old fields.
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$old_fields = _update_7000_field_read_fields(array('field_name' => $old_field_name));
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foreach ($old_fields as $old_field) {
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if ($old_field['storage']['type'] != 'field_sql_storage') {
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$messages[] = t('Cannot rename field %id (%old_field_name) to %new_field_name because it does not use the field_sql_storage storage type.', array(
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'%id' => $old_field['id'],
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'%old_field_name' => $old_field_name,
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'%new_field_name' => $new_field_name,
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));
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continue;
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}
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// Update {field_config}.
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db_update('field_config')
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->fields(array('field_name' => $new_field_name))
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->condition('id', $old_field['id'])
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->execute();
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// Update {field_config_instance}.
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db_update('field_config_instance')
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->fields(array('field_name' => $new_field_name))
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->condition('field_id', $old_field['id'])
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->execute();
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// The tables that need updating in the form 'old_name' => 'new_name'.
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$tables = array(
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'field_data_' . $old_field_name => 'field_data_' . $new_field_name,
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'field_revision_' . $old_field_name => 'field_revision_' . $new_field_name,
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);
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foreach ($tables as $old_table => $new_table) {
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$old_column_name = $old_field_name . '_tid';
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$new_column_name = $new_field_name . '_tid';
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// Rename the column.
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db_drop_index($old_table, $old_column_name);
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db_change_field($old_table, $old_column_name, $new_column_name, array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => FALSE,
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));
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db_drop_index($old_table, $new_column_name);
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db_add_index($old_table, $new_column_name, array($new_column_name));
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// Rename the table.
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db_rename_table($old_table, $new_table);
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}
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}
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cache_clear_all('*', 'cache_field', TRUE);
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return $messages;
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}
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/**
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* Update {forum_index} so that only published nodes are indexed.
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*/
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function forum_update_7011() {
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$select = db_select('node', 'n')
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->fields('n', array('nid'))
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->condition('status', 0 );
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db_delete('forum_index')
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->condition('nid', $select, 'IN')
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->execute();
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}
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/**
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* Add 'created' and 'last_comment_timestamp' indexes.
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*/
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function forum_update_7012() {
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db_add_index('forum_index', 'created', array('created'));
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db_add_index('forum_index', 'last_comment_timestamp', array('last_comment_timestamp'));
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}
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/**
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* @} End of "addtogroup updates-7.x-extra".
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*/
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