Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.898
diff -u -p -r1.898 node.module
--- modules/node/node.module 5 Nov 2007 15:14:54 -0000 1.898
+++ modules/node/node.module 5 Nov 2007 21:48:11 -0000
@@ -1017,15 +1017,12 @@ function node_search($op = 'search', $ke
return t('Content');
case 'reset':
- variable_del('node_cron_last');
- variable_del('node_cron_last_nid');
+ db_query("UPDATE {search_dataset} SET reindex = %d AND type = 'node'", time());
return;
case 'status':
- $last = variable_get('node_cron_last', 0);
- $last_nid = variable_get('node_cron_last_nid', 0);
$total = db_result(db_query('SELECT COUNT(*) FROM {node} WHERE status = 1'));
- $remaining = db_result(db_query('SELECT COUNT(*) FROM {node} n LEFT JOIN {node_comment_statistics} c ON n.nid = c.nid WHERE n.status = 1 AND ((GREATEST(n.created, n.changed, c.last_comment_timestamp) = %d AND n.nid > %d ) OR (n.created > %d OR n.changed > %d OR c.last_comment_timestamp > %d))', $last, $last_nid, $last, $last, $last));
+ $remaining = db_result(db_query("SELECT COUNT(*) FROM {node} n LEFT JOIN {search_dataset} d ON d.type = 'node' AND d.sid = n.nid WHERE d.sid IS NULL OR d.reindex <> 0"));
return array('remaining' => $remaining, 'total' => $total);
case 'admin':
@@ -1097,7 +1094,7 @@ function node_search($op = 'search', $ke
$ranking[] = '%d * POW(2, (GREATEST(n.created, n.changed, c.last_comment_timestamp) - %d) * 6.43e-8)';
$arguments2[] = $weight;
$arguments2[] = (int)variable_get('node_cron_last', 0);
- $join2 .= ' INNER JOIN {node} n ON n.nid = i.sid LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
+ $join2 .= ' LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
$stats_join = TRUE;
$total += $weight;
}
@@ -1547,59 +1544,49 @@ function node_page_view($node, $cid = NU
}
/**
- * shutdown function to make sure we always mark the last node processed.
- */
-function node_update_shutdown() {
- global $last_change, $last_nid;
-
- if ($last_change && $last_nid) {
- variable_set('node_cron_last', $last_change);
- variable_set('node_cron_last_nid', $last_nid);
- }
-}
-
-/**
* Implementation of hook_update_index().
*/
function node_update_index() {
- global $last_change, $last_nid;
-
- register_shutdown_function('node_update_shutdown');
-
- $last = variable_get('node_cron_last', 0);
- $last_nid = variable_get('node_cron_last_nid', 0);
$limit = (int)variable_get('search_cron_limit', 100);
// Store the maximum possible comments per thread (used for ranking by reply count)
variable_set('node_cron_comments_scale', 1.0 / max(1, db_result(db_query('SELECT MAX(comment_count) FROM {node_comment_statistics}'))));
variable_set('node_cron_views_scale', 1.0 / max(1, db_result(db_query('SELECT MAX(totalcount) FROM {node_counter}'))));
- $result = db_query_range('SELECT GREATEST(IF(c.last_comment_timestamp IS NULL, 0, c.last_comment_timestamp), n.changed) as last_change, n.nid FROM {node} n LEFT JOIN {node_comment_statistics} c ON n.nid = c.nid WHERE n.status = 1 AND ((GREATEST(n.changed, c.last_comment_timestamp) = %d AND n.nid > %d) OR (n.changed > %d OR c.last_comment_timestamp > %d)) ORDER BY GREATEST(n.changed, c.last_comment_timestamp) ASC, n.nid ASC', $last, $last_nid, $last, $last, 0, $limit);
+ $result = db_query_range("SELECT n.nid FROM {node} n LEFT JOIN {search_dataset} d ON d.type = 'node' AND d.sid = n.nid WHERE d.sid IS NULL OR d.reindex <> 0 ORDER BY d.reindex ASC, n.nid ASC", 0, $limit);
while ($node = db_fetch_object($result)) {
- $last_change = $node->last_change;
- $last_nid = $node->nid;
- $node = node_load($node->nid);
+ _node_index_node($node);
+ }
+}
- // Build the node body.
- $node->build_mode = NODE_BUILD_SEARCH_INDEX;
- $node = node_build_content($node, FALSE, FALSE);
- $node->body = drupal_render($node->content);
+/**
+ * Index a single node.
+ *
+ * @param $node
+ * The node to index.
+ */
+function _node_index_node($node) {
+ $node = node_load($node->nid);
- // Allow modules to modify the fully-built node.
- node_invoke_nodeapi($node, 'alter');
+ // save the changed time of the most recent indexed node, for the search results half-life calculation
+ variable_set('node_cron_last', $node->changed);
- $text = ''. check_plain($node->title) .'
'. $node->body;
+ // Build the node body.
+ $node->build_mode = NODE_BUILD_SEARCH_INDEX;
+ $node = node_build_content($node, FALSE, FALSE);
+ $node->body = drupal_render($node->content);
- // Fetch extra data normally not visible
- $extra = node_invoke_nodeapi($node, 'update index');
- foreach ($extra as $t) {
- $text .= $t;
- }
+ $text = ''. check_plain($node->title) .'
'. $node->body;
- // Update index
- search_index($node->nid, 'node', $text);
+ // Fetch extra data normally not visible
+ $extra = node_invoke_nodeapi($node, 'update index');
+ foreach ($extra as $t) {
+ $text .= $t;
}
+
+ // Update index
+ search_index($node->nid, 'node', $text);
}
/**
Index: modules/search/search.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/search/search.install,v
retrieving revision 1.10
diff -u -p -r1.10 search.install
--- modules/search/search.install 10 Oct 2007 11:39:34 -0000 1.10
+++ modules/search/search.install 5 Nov 2007 21:48:11 -0000
@@ -47,6 +47,13 @@ function search_schema() {
'size' => 'big',
'description' => t('List of space-separated words from the item.'),
),
+ 'reindex' => array(
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'default' => 0,
+ 'description' => t('Set to force node reindexing.'),
+ ),
),
'indexes' => array('sid_type' => array('sid', 'type')),
);
@@ -74,19 +81,6 @@ function search_schema() {
'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,
@@ -94,10 +88,10 @@ function search_schema() {
),
),
'indexes' => array(
- 'from_sid_type' => array('fromsid', 'fromtype'),
'sid_type' => array('sid', 'type'),
'word' => array('word')
),
+ 'unique keys' => array('word_sid_type' => array('word', 'sid', 'type')),
);
$schema['search_total'] = array(
@@ -119,6 +113,40 @@ function search_schema() {
'primary key' => array('word'),
);
+ $schema['search_node_links'] = array(
+ 'fields' => array(
+ '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' => TRUE,
+ 'default' => '',
+ 'description' => t('The {search_dataset}.sid of the searchable item to which the word belongs.'),
+ ),
+ 'nid' => array(
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'default' => 0,
+ 'description' => t('The {node}.nid that this item links to.'),
+ ),
+ 'caption' => array(
+ 'type' => 'text',
+ 'size' => 'big',
+ 'not null' => FALSE,
+ 'description' => t('The text used to link to the {node}.nid.'),
+ ),
+ ),
+ 'primary key' => array('sid', 'type', 'nid'),
+ 'indexes' => array('nid' => array('nid')),
+ );
+
return $schema;
}
Index: modules/search/search.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/search/search.module,v
retrieving revision 1.240
diff -u -p -r1.240 search.module
--- modules/search/search.module 31 Oct 2007 18:06:38 -0000 1.240
+++ modules/search/search.module 5 Nov 2007 21:48:11 -0000
@@ -233,9 +233,11 @@ function search_wipe($sid = NULL, $type
}
else {
db_query("DELETE FROM {search_dataset} WHERE sid = %d AND type = '%s'", $sid, $type);
- db_query("DELETE FROM {search_index} WHERE fromsid = %d AND fromtype = '%s'", $sid, $type);
- // When re-indexing, keep link references
- db_query("DELETE FROM {search_index} WHERE sid = %d AND type = '%s'". ($reindex ? " AND fromsid = 0" : ''), $sid, $type);
+ db_query("DELETE FROM {search_index} WHERE sid = %d AND type = '%s'", $sid, $type);
+ // Don't remove links if re-indexing.
+ if (!$reindex) {
+ db_query("DELETE FROM {search_node_links} WHERE sid = %d AND type = '%s'", $sid, $type);
+ }
}
}
@@ -531,21 +533,24 @@ function search_index($sid, $type, $text
$word = (int)ltrim($word, '-0');
}
+ // Links score mainly for the target.
if ($link) {
if (!isset($results[$linknid])) {
$results[$linknid] = array();
}
- $results[$linknid][$word] += $score * $focus;
+ $results[$linknid][] = $word;
+ // Reduce score of the link caption in the source.
+ $focus *= 0.2;
}
- else {
- if (!isset($results[0][$word])) {
- $results[0][$word] = 0;
- }
- $results[0][$word] += $score * $focus;
- // Focus is a decaying value in terms of the amount of unique words up to this point.
- // From 100 words and more, it decays, to e.g. 0.5 at 500 words and 0.3 at 1000 words.
- $focus = min(1, .01 + 3.5 / (2 + count($results[0]) * .015));
+ // Fall-through
+ if (!isset($results[0][$word])) {
+ $results[0][$word] = 0;
}
+ $results[0][$word] += $score * $focus;
+
+ // Focus is a decaying value in terms of the amount of unique words up to this point.
+ // From 100 words and more, it decays, to e.g. 0.5 at 500 words and 0.3 at 1000 words.
+ $focus = min(1, .01 + 3.5 / (2 + count($results[0]) * .015));
}
$tagwords++;
// Too many words inside a single tag probably mean a tag was accidentally left open.
@@ -562,7 +567,7 @@ function search_index($sid, $type, $text
search_wipe($sid, $type, TRUE);
// Insert cleaned up data into dataset
- db_query("INSERT INTO {search_dataset} (sid, type, data) VALUES (%d, '%s', '%s')", $sid, $type, $accum);
+ db_query("INSERT INTO {search_dataset} (sid, type, data, reindex) VALUES (%d, '%s', '%s', %d)", $sid, $type, $accum, 0);
// Insert results into search index
foreach ($results[0] as $word => $score) {
@@ -571,13 +576,83 @@ function search_index($sid, $type, $text
}
unset($results[0]);
- // Now insert links to nodes
+ // Get all previous links from this item.
+ $result = db_query("SELECT nid, caption FROM {search_node_links} WHERE sid = %d AND type = '%s'", $sid, $type);
+ $links = array();
+ while ($link = db_fetch_object($result)) {
+ $links[$link->nid] = $link->caption;
+ }
+
+ // Now store links to nodes.
foreach ($results as $nid => $words) {
- foreach ($words as $word => $score) {
- db_query("INSERT INTO {search_index} (word, sid, type, fromsid, fromtype, score) VALUES ('%s', %d, '%s', %d, '%s', %f)", $word, $nid, 'node', $sid, $type, $score);
- search_dirty($word);
+ $caption = implode(' ', $words);
+ if (isset($links[$nid])) {
+ if ($links[$nid] != $caption) {
+ // Update the existing link and mark the node for reindexing.
+ db_query("UPDATE {search_node_links} SET caption = '%s' WHERE sid = %d AND type = '%s' AND nid = %d", $caption, $sid, $type, $nid);
+ search_touch_node($nid);
+ }
+ // Unset the link to mark it as processed.
+ unset($links[$nid]);
+ }
+ else {
+ // Insert the existing link and mark the node for reindexing.
+ db_query("INSERT INTO {search_node_links} (caption, sid, type, nid) VALUES ('%s', %d, '%s', %d)", $caption, $sid, $type, $nid);
+ search_touch_node($nid);
}
}
+ // Any left-over links in $links no longer exist. Delete them and mark the nodes for reindexing.
+ foreach ($links as $nid) {
+ db_query("DELETE FROM {search_node_links} WHERE sid = %d AND type = '%s' AND nid = %d", $sid, $type, $nid);
+ search_touch_node($nid);
+ }
+}
+
+/**
+ * Change a node's changed timestamp to 'now' to force reindexing.
+ *
+ * @param $nid
+ * The nid of the node that needs reindexing.
+ */
+function search_touch_node($nid) {
+ db_query("UPDATE {search_dataset} SET reindex = %d WHERE sid = %d AND type = 'node'", time(), $nid);
+}
+
+/**
+ * Implementation of hook_nodeapi().
+ */
+function search_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
+ switch ($op) {
+ // Transplant links to a node into the target node.
+ case 'update index':
+ $result = db_query("SELECT caption FROM {search_node_links} WHERE nid = %d", $node->nid);
+ $output = array();
+ while ($link = db_fetch_object($result)) {
+ $output[] = $link->caption;
+ }
+ return '('. implode(', ', $output) .')';
+ // Reindex the node when it is updated. The node is automatically indexed
+ // when it is added, simply by being added to the node table.
+ case 'update':
+ search_touch_node($node->nid);
+ break;
+ }
+}
+
+/**
+ * Implementation of hook_comment().
+ */
+function search_comment($a1, $op) {
+ switch ($op) {
+ // Reindex the node when comments are added or changed
+ case 'insert':
+ case 'update':
+ case 'delete':
+ case 'publish':
+ case 'unpublish':
+ search_touch_node(is_array($a1) ? $a1['nid'] : $a1->nid);
+ break;
+ }
}
/**
@@ -606,7 +681,22 @@ function search_query_insert($keys, $opt
/**
* Parse a search query into SQL conditions.
*
- * We build a query that matches the dataset bodies.
+ * We build two queries that matches the dataset bodies. @See do_search for
+ * more about these.
+ *
+ * @param $text
+ * The search keys.
+ * @return
+ * A list of six elements.
+ * * A series of statements AND'd together which will be used to provide all
+ * possible matches.
+ * * Arguments for this query part.
+ * * A series of exact word matches OR'd together.
+ * * Arguments for this query part.
+ * * A bool indicating whether this is a simple query or not. Negative
+ * terms, presence of both AND / OR make this FALSE.
+ * * A bool indicating the presence of a lowercase or. Maybe the user
+ * wanted to use OR.
*/
function search_parse_query($text) {
$keys = array('positive' => array(), 'negative' => array());
@@ -620,12 +710,15 @@ function search_parse_query($text) {
// Classify tokens
$or = FALSE;
+ $or_warning = FALSE;
+ $simple = TRUE;
foreach ($matches as $match) {
$phrase = FALSE;
// Strip off phrase quotes
if ($match[2]{0} == '"') {
$match[2] = substr($match[2], 1, -1);
$phrase = TRUE;
+ $simple = FALSE;
}
// Simplify keyword according to indexing rules and external preprocessors
$words = search_simplify($match[2]);
@@ -649,6 +742,9 @@ function search_parse_query($text) {
}
// Plain keyword
else {
+ if ($match[2] == 'or') {
+ $or_warning = TRUE;
+ }
if ($or) {
// Add to last element (which is an array)
$keys['positive'][count($keys['positive']) - 1] = array_merge($keys['positive'][count($keys['positive']) - 1], $words);
@@ -666,10 +762,13 @@ function search_parse_query($text) {
$arguments = array();
$arguments2 = array();
$matches = 0;
+ $simple_and = FALSE;
+ $simple_or = FALSE;
// Positive matches
foreach ($keys['positive'] as $key) {
// Group of ORed terms
if (is_array($key) && count($key)) {
+ $simple_or = TRUE;
$queryor = array();
$any = FALSE;
foreach ($key as $or) {
@@ -688,6 +787,7 @@ function search_parse_query($text) {
}
// Single ANDed term
else {
+ $simple_and = TRUE;
list($q, $count) = _search_parse_query($key, $arguments2);
if ($q) {
$query[] = $q;
@@ -697,12 +797,16 @@ function search_parse_query($text) {
}
}
}
+ if ($simple_and && $simple_or) {
+ $simple = FALSE;
+ }
// Negative matches
foreach ($keys['negative'] as $key) {
list($q) = _search_parse_query($key, $arguments2, TRUE);
if ($q) {
$query[] = $q;
$arguments[] = $key;
+ $simple = FALSE;
}
}
$query = implode(' AND ', $query);
@@ -710,7 +814,7 @@ function search_parse_query($text) {
// Build word-index conditions for the first pass
$query2 = substr(str_repeat("i.word = '%s' OR ", count($arguments2)), 0, -4);
- return array($query, $arguments, $query2, $arguments2, $matches);
+ return array($query, $arguments, $query2, $arguments2, $matches, $simple, $or_warning);
}
/**
@@ -742,28 +846,15 @@ function _search_parse_query(&$word, &$s
* This function is normally only called by each module that support the
* indexed search (and thus, implements hook_update_index()).
*
- * Two queries are performed which can be extended by the caller.
+ * Results are retrieved in two logical passes. However, the two passes are
+ * joined together into a single query. And in the case of most simple
+ * queries the second pass is not even used.
*
- * The first query selects a set of possible matches based on the search index
- * and any extra given restrictions. This is the classic "OR" search.
+ * The first pass selects a set of all possible matches, which has the benefit
+ * of also providing the exact result set for simple "AND" or "OR" searches.
*
- * SELECT i.type, i.sid, SUM(i.score*t.count) AS relevance
- * FROM {search_index} i
- * INNER JOIN {search_total} t ON i.word = t.word
- * $join1
- * WHERE $where1 AND (...)
- * GROUP BY i.type, i.sid
- *
- * The second query further refines this set by verifying advanced text
- * conditions (such as AND, negative or phrase matches), and orders the results
- * on a the column or expression 'score':
- *
- * SELECT i.type, i.sid, $select2
- * FROM temp_search_sids i
- * INNER JOIN {search_dataset} d ON i.sid = d.sid AND i.type = d.type
- * $join2
- * WHERE (...)
- * ORDER BY score DESC
+ * The second portion of the query further refines this set by verifying
+ * advanced text conditions (such negative or phrase matches)
*
* @param $keywords
* A search string as entered by the user.
@@ -782,7 +873,7 @@ function _search_parse_query(&$word, &$s
* @param $arguments1
* (optional) Extra SQL arguments belonging to the first query.
*
- * @param $select2
+ * @param $columns2
* (optional) Inserted into the SELECT pat of the second query. Must contain
* a column selected as 'score'.
* defaults to 'i.relevance AS score'
@@ -803,40 +894,45 @@ function _search_parse_query(&$word, &$s
*
* @ingroup search
*/
-function do_search($keywords, $type, $join1 = '', $where1 = '1', $arguments1 = array(), $select2 = 'i.relevance AS score', $join2 = '', $arguments2 = array(), $sort_parameters = 'ORDER BY score DESC') {
+function do_search($keywords, $type, $join1 = '', $where1 = '1', $arguments1 = array(), $columns2 = 'i.relevance AS score', $join2 = '', $arguments2 = array(), $sort_parameters = 'ORDER BY score DESC') {
$query = search_parse_query($keywords);
if ($query[2] == '') {
form_set_error('keys', t('You must include at least one positive keyword with @count characters or more.', array('@count' => variable_get('minimum_word_size', 3))));
}
+ if ($query[6]) {
+ form_set_error('keys', t('Try uppercase "OR" to search for either of two terms.'));
+ }
if ($query === NULL || $query[0] == '' || $query[2] == '') {
return array();
}
- // First pass: select all possible matching sids, doing a simple index-based OR matching on the keywords.
- // 'matches' is used to reject those items that cannot possibly match the query.
- $conditions = $where1 .' AND ('. $query[2] .") AND i.type = '%s'";
- $arguments = array_merge($arguments1, $query[3], array($type, $query[4]));
- $result = db_query_temporary("SELECT i.type, i.sid, SUM(i.score * t.count) AS relevance, COUNT(*) AS matches FROM {search_index} i INNER JOIN {search_total} t ON i.word = t.word $join1 WHERE $conditions GROUP BY i.type, i.sid HAVING COUNT(*) >= %d", $arguments, 'temp_search_sids');
+ // Build query for keyword normalization.
+ $conditions = "$where1 AND ($query[2]) AND i.type = '%s'";
+ $arguments1 = array_merge($arguments1, $query[3], array($type));
+ $join = "INNER JOIN {search_total} t ON i.word = t.word $join1";
+ if (!$query[5]) {
+ $conditions .= " AND ($query[0])";
+ $arguments1 = array_merge($arguments1, $query[1]);
+ $join .= " INNER JOIN {search_dataset} d ON i.sid = d.sid AND i.type = d.type";
+ }
- // Calculate maximum relevance, to normalize it
- $normalize = db_result(db_query('SELECT MAX(relevance) FROM temp_search_sids'));
+ // Calculate maximum keyword relevance, to normalize it.
+ $select = "SELECT MAX(i.score * t.count) FROM {search_index} i $join WHERE $conditions GROUP BY i.type, i.sid HAVING COUNT(*) >= %d";
+ $arguments = array_merge($arguments1, array($query[4]));
+ $normalize = db_result(db_query($select, $arguments));
if (!$normalize) {
return array();
}
- $select2 = str_replace('i.relevance', '('. (1.0 / $normalize) .' * i.relevance)', $select2);
+ $columns2 = str_replace('i.relevance', '('. (1.0 / $normalize) .' * SUM(i.score * t.count))', $columns2);
- // Second pass: only keep items that match the complicated keywords conditions (phrase search, negative keywords, ...)
- $conditions = '('. $query[0] .')';
- $arguments = array_merge($arguments2, $query[1]);
- $result = db_query_temporary("SELECT i.type, i.sid, $select2 FROM temp_search_sids i INNER JOIN {search_dataset} d ON i.sid = d.sid AND i.type = d.type $join2 WHERE $conditions $sort_parameters", $arguments, 'temp_search_results');
- if (($count = db_result(db_query('SELECT COUNT(*) FROM temp_search_results'))) == 0) {
- return array();
- }
- $count_query = "SELECT $count";
+ // Build query to retrieve results.
+ $select = "SELECT i.type, i.sid, $columns2 FROM {search_index} i $join $join2 WHERE $conditions GROUP BY i.type, i.sid HAVING COUNT(*) >= %d";
+ $count_select = "SELECT COUNT(*) FROM ($select) n1";
+ $arguments = array_merge($arguments2, $arguments1, array($query[4]));
// Do actual search query
- $result = pager_query("SELECT * FROM temp_search_results", 10, 0, $count_query);
+ $result = pager_query("$select $sort_parameters", 10, 0, $count_select, $arguments);
$results = array();
while ($item = db_fetch_object($result)) {
$results[] = $item;
Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.169
diff -u -p -r1.169 system.install
--- modules/system/system.install 4 Nov 2007 16:39:59 -0000 1.169
+++ modules/system/system.install 5 Nov 2007 21:48:12 -0000
@@ -935,7 +935,7 @@ function system_schema() {
'not null' => FALSE)
),
'primary key' => array('filename'),
- 'indexes' =>
+ 'indexes' =>
array(
'modules' => array(array('type', 12), 'status', 'weight', 'filename'),
'bootstrap' => array(array('type', 12), 'status', 'bootstrap', 'weight', 'filename'),
@@ -4459,6 +4459,59 @@ function system_update_6035() {
}
/**
+ * Change the search index and for reindexing.
+ */
+function system_update_6036() {
+ $ret = array();
+ if (db_table_exists('search_index')) {
+ // Create the search_dataset.reindex column.
+ db_add_field($ret, 'search_dataset', 'reindex', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0));
+
+ // Drop the search_index.from fields which are no longer used.
+ db_drop_index($ret, 'search_index', 'from_sid_type');
+ db_drop_field($ret, 'search_index', 'fromsid');
+ db_drop_field($ret, 'search_index', 'fromtype');
+
+ // Drop the search_dataset.sid_type index, so that it can be made unique.
+ db_drop_index($ret, 'search_dataset', 'sid_type');
+
+ // Create the search_node_links Table.
+ $search_node_links_schema = array(
+ 'fields' => array(
+ 'sid' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
+ 'type' => array('type' => 'varchar', 'length' => 16, 'not null' => TRUE, 'default' => ''),
+ 'nid' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
+ 'caption' => array('type' => 'text', 'size' => 'big', 'not null' => FALSE),
+ ),
+ 'primary key' => array('sid', 'type', 'nid'),
+ 'indexes' => array('nid' => array('nid')),
+ );
+ db_create_table($ret, 'search_node_links', $search_node_links_schema);
+
+ // with the change to search_dataset.reindex, the search queue is handled differently,
+ // and this is no longer needed
+ variable_del('node_cron_last');
+
+ // Everything needs to be reindexed.
+ $ret[] = update_sql("UPDATE {search_dataset} SET reindex = 1");
+
+ // Add a unique index for the search_index.
+ // Since it's possible that some existing sites have duplicates,
+ // create the index using the IGNORE keyword, which ignores duplicate errors.
+ // However, pgsql doesn't support it
+ if ($GLOBALS['db_type'] == 'mysql') {
+ $ret[] = update_sql("ALTER IGNORE TABLE {search_index} ADD UNIQUE KEY sid_word_type (sid, word, type)");
+ $ret[] = update_sql("ALTER IGNORE TABLE {search_dataset} ADD UNIQUE KEY sid_type (sid, type)");
+ }
+ else {
+ db_add_unique_key($ret, 'search_index', 'sid_word_type', array('sid', 'word', 'type'));
+ db_add_unique_key($ret, 'search_dataset', 'sid_type', array('sid', 'type'));
+ }
+ }
+ return $ret;
+}
+
+/**
* @} End of "defgroup updates-5.x-to-6.x"
* The next series of updates should start at 7000.
*/