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Code Issues Releases Wiki Activity

Merge pull request #6321 from rxu/ticket/16902

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[ticket/16902] Improve search results count - 3.3.x
This commit is contained in:
Marc Alexander
2022-01-19 20:33:58 +01:00
parent 1f4eac13b9 a8c93ff661
commit 605726a4d7
10 changed files with 197 additions and 117 deletions
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21
phpBB/phpbb/search/fulltext_mysql.php
View File

@@ -568,8 +568,8 @@ class fulltext_mysql extends \phpbb\search\base
);
extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_keywords_main_query_before', compact($vars)));
$sql_select = (!$result_count) ? 'SQL_CALC_FOUND_ROWS ' : '';
$sql_select = ($type == 'posts') ? $sql_select . 'p.post_id' : 'DISTINCT ' . $sql_select . 't.topic_id';
$sql_select = ($type == 'posts') ? 'p.post_id' : 'DISTINCT t.topic_id';
$sql_select .= $sort_by_sql[$sort_key] ? ", {$sort_by_sql[$sort_key]}" : '';
$sql_from = ($join_topic) ? TOPICS_TABLE . ' t, ' : '';
$field = ($type == 'posts') ? 'post_id' : 'topic_id';
if (count($author_ary) && $author_name)
@@ -610,11 +610,10 @@ class fulltext_mysql extends \phpbb\search\base
$this->db->sql_freeresult($result);
$id_ary = array_unique($id_ary);
// if the total result count is not cached yet, retrieve it from the db
if (!$result_count && count($id_ary))
{
$sql_found_rows = 'SELECT FOUND_ROWS() as result_count';
$sql_found_rows = str_replace("SELECT $sql_select", "SELECT COUNT(*) as result_count", $sql);
$result = $this->db->sql_query($sql_found_rows);
$result_count = (int) $this->db->sql_fetchfield('result_count');
$this->db->sql_freeresult($result);
@@ -828,12 +827,13 @@ class fulltext_mysql extends \phpbb\search\base
extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_author_query_before', compact($vars)));
// If the cache was completely empty count the results
$calc_results = ($result_count) ? '' : 'SQL_CALC_FOUND_ROWS ';
$sql_select = ($type == 'posts') ? 'p.post_id' : 't.topic_id';
$sql_select .= $sort_by_sql[$sort_key] ? ", {$sort_by_sql[$sort_key]}" : '';
// Build the query for really selecting the post_ids
if ($type == 'posts')
{
$sql = "SELECT {$calc_results}p.post_id
$sql = "SELECT $sql_select
FROM " . $sql_sort_table . POSTS_TABLE . ' p' . (($firstpost_only) ? ', ' . TOPICS_TABLE . ' t ' : ' ') . "
WHERE $sql_author
$sql_topic_id
@@ -847,7 +847,7 @@ class fulltext_mysql extends \phpbb\search\base
}
else
{
$sql = "SELECT {$calc_results}t.topic_id
$sql = "SELECT $sql_select
FROM " . $sql_sort_table . TOPICS_TABLE . ' t, ' . POSTS_TABLE . " p
WHERE $sql_author
$sql_topic_id
@@ -857,7 +857,7 @@ class fulltext_mysql extends \phpbb\search\base
AND t.topic_id = p.topic_id
$sql_sort_join
$sql_time
GROUP BY t.topic_id
GROUP BY $sql_select
ORDER BY $sql_sort";
$field = 'topic_id';
}
@@ -874,9 +874,10 @@ class fulltext_mysql extends \phpbb\search\base
// retrieve the total result count if needed
if (!$result_count)
{
$sql_found_rows = 'SELECT FOUND_ROWS() as result_count';
$sql_found_rows = str_replace("SELECT $sql_select", "SELECT COUNT(*) as result_count", $sql);
$result = $this->db->sql_query($sql_found_rows);
$result_count = (int) $this->db->sql_fetchfield('result_count');
$result_count = ($type == 'posts') ? (int) $this->db->sql_fetchfield('result_count') : count($this->db->sql_fetchrowset($result));
$this->db->sql_freeresult($result);
if (!$result_count)

28
phpBB/phpbb/search/fulltext_native.php
View File

@@ -908,9 +908,6 @@ class fulltext_native extends \phpbb\search\base
switch ($this->db->get_sql_layer())
{
case 'mysqli':
// 3.x does not support SQL_CALC_FOUND_ROWS
// $sql_array['SELECT'] = 'SQL_CALC_FOUND_ROWS ' . $sql_array['SELECT'];
$is_mysql = true;
break;
@@ -968,16 +965,10 @@ class fulltext_native extends \phpbb\search\base
);
}
// if using mysql and the total result count is not calculated yet, get it from the db
if (!$total_results && $is_mysql)
{
// Also count rows for the query as if there was not LIMIT. Add SQL_CALC_FOUND_ROWS to SQL
$sql_array['SELECT'] = 'SQL_CALC_FOUND_ROWS ' . $sql_array['SELECT'];
}
$sql_array['WHERE'] = implode(' AND ', $sql_where);
$sql_array['GROUP_BY'] = ($group_by) ? (($type == 'posts') ? 'p.post_id' : 'p.topic_id') . ', ' . $sort_by_sql[$sort_key] : '';
$sql_array['ORDER_BY'] = $sql_sort;
$sql_array['SELECT'] .= $sort_by_sql[$sort_key] ? ", {$sort_by_sql[$sort_key]}" : '';
unset($sql_where, $sql_sort, $group_by);
@@ -990,10 +981,10 @@ class fulltext_native extends \phpbb\search\base
}
$this->db->sql_freeresult($result);
// If using mysql and the total result count is not calculated yet, get it from the db
if (!$total_results && $is_mysql)
{
// Get the number of results as calculated by MySQL
$sql_count = 'SELECT FOUND_ROWS() as total_results';
$sql_count = str_replace("SELECT {$sql_array['SELECT']}", "SELECT COUNT(DISTINCT {$sql_array['SELECT']}) as total_results", $sql);
$result = $this->db->sql_query($sql_count);
$total_results = (int) $this->db->sql_fetchfield('total_results');
$this->db->sql_freeresult($result);
@@ -1015,7 +1006,6 @@ class fulltext_native extends \phpbb\search\base
$id_ary[] = (int) $row[(($type == 'posts') ? 'post_id' : 'topic_id')];
}
$this->db->sql_freeresult($result);
}
// store the ids, from start on then delete anything that isn't on the current page because we only need ids for one page
@@ -1147,6 +1137,7 @@ class fulltext_native extends \phpbb\search\base
}
$select = ($type == 'posts') ? 'p.post_id' : 't.topic_id';
$select .= $sort_by_sql[$sort_key] ? ", {$sort_by_sql[$sort_key]}" : '';
$is_mysql = false;
/**
@@ -1202,7 +1193,6 @@ class fulltext_native extends \phpbb\search\base
switch ($this->db->get_sql_layer())
{
case 'mysqli':
// $select = 'SQL_CALC_FOUND_ROWS ' . $select;
$is_mysql = true;
break;
@@ -1295,15 +1285,9 @@ class fulltext_native extends \phpbb\search\base
if (!$total_results && $is_mysql)
{
// Count rows for the executed queries. Replace $select within $sql with SQL_CALC_FOUND_ROWS, and run it.
$sql_calc = str_replace('SELECT ' . $select, 'SELECT SQL_CALC_FOUND_ROWS ' . $select, $sql);
$result = $this->db->sql_query($sql_calc);
$this->db->sql_freeresult($result);
$sql_count = 'SELECT FOUND_ROWS() as total_results';
$sql_count = str_replace("SELECT $select", "SELECT COUNT(*) as total_results", $sql);
$result = $this->db->sql_query($sql_count);
$total_results = (int) $this->db->sql_fetchfield('total_results');
$total_results = ($type == 'posts') ? (int) $this->db->sql_fetchfield('total_results') : count($this->db->sql_fetchrowset($result));
$this->db->sql_freeresult($result);
if (!$total_results)

5
phpBB/phpbb/search/fulltext_postgres.php
View File

@@ -836,8 +836,9 @@ class fulltext_postgres extends \phpbb\search\base
GROUP BY t.topic_id, $sort_by_sql[$sort_key]";
}
$this->db->sql_query($sql_count);
$result_count = (int) $this->db->sql_fetchfield('result_count');
$result = $this->db->sql_query($sql_count);
$result_count = ($type == 'posts') ? (int) $this->db->sql_fetchfield('result_count') : count($this->db->sql_fetchrowset($result));
$this->db->sql_freeresult($result);
if (!$result_count)
{