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Introduced code for cleaning up search_wordmatch and search_wordlist tables upon prune.

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git-svn-id: file:///svn/phpbb/trunk@1694 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen 2001-12-24 14:04:00 +00:00
parent c2f738215e
commit ccb3b51048
1 changed files with 105 additions and 13 deletions
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118
phpBB/includes/prune.php
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@ -86,27 +86,119 @@ function prune($forum_id, $prune_date)
$sql_post = "post_id IN (" . $sql_post . ")"; $sql_post = "post_id IN (" . $sql_post . ")";
$sql = "DELETE FROM " . TOPICS_TABLE . " $sql = "DELETE FROM " . TOPICS_TABLE . "
WHERE " . $sql_topics; WHERE $sql_topics";
if(!$result = $db->sql_query($sql)) if(!$result = $db->sql_query($sql))
{ {
message_die(GENERAL_ERROR, "Couldn't delete topics during prune.", "", __LINE__, __FILE__, $sql); message_die(GENERAL_ERROR, "Couldn't delete topics during prune.", "", __LINE__, __FILE__, $sql);
} }
$sql = "DELETE FROM " . POSTS_TABLE . " $sql = "DELETE FROM " . POSTS_TABLE . "
WHERE " . $sql_post; WHERE $sql_post";
if(!$result = $db->sql_query($sql, BEGIN_TRANSACTION)) if( $result = $db->sql_query($sql, BEGIN_TRANSACTION) )
{
message_die(GENERAL_ERROR, "Couldn't delete post_text during prune.", "", __LINE__, __FILE__, $sql);
}
else
{ {
$sql = "DELETE FROM " . POSTS_TEXT_TABLE . " $sql = "DELETE FROM " . POSTS_TEXT_TABLE . "
WHERE " . $sql_post; WHERE $sql_post";
if(!$result = $db->sql_query($sql, END_TRANSACTION)) if( $result = $db->sql_query($sql) )
{
$sql = "DELETE FROM " . SEARCH_MATCH_TABLE . "
WHERE $sql_post";
if( !$result = $db->sql_query($sql, END_TRANSACTION) )
{
message_die(GENERAL_ERROR, "Couldn't delete search matches", "", __LINE__, __FILE__, $sql);
}
}
else
{ {
message_die(GENERAL_ERROR, "Couldn't delete post during prune.", "", __LINE__, __FILE__, $sql); message_die(GENERAL_ERROR, "Couldn't delete post during prune.", "", __LINE__, __FILE__, $sql);
} }
} }
else
{
message_die(GENERAL_ERROR, "Couldn't delete post_text during prune.", "", __LINE__, __FILE__, $sql);
}
//
// Remove any words in search wordlist which no longer
// appear in posts
//
switch(SQL_LAYER)
{
case 'postgresql':
$sql = "DELETE FROM " . SEARCH_WORD_TABLE . "
WHERE word_id NOT IN (
SELECT word_id
FROM " . SEARCH_MATCH_TABLE . "
GROUP BY word_id)";
$result = $db->sql_query($sql);
if( !$result )
{
message_die(GENERAL_ERROR, "Couldn't delete old words from word table", __LINE__, __FILE__, $sql);
}
break;
case 'oracle':
$sql = "DELETE FROM " . SEARCH_WORD_TABLE . "
WHERE word_id IN (
SELECT w.word_id
FROM " . SEARCH_WORD_TABLE . " w, " . SEARCH_MATCH_TABLE . " m
WHERE w.word_id = m.word_id(+)
AND m.word_id IS NULL)";
$result = $db->sql_query($sql);
if( !$result )
{
message_die(GENERAL_ERROR, "Couldn't delete old words from word table", __LINE__, __FILE__, $sql);
}
break;
case 'mssql':
case 'msaccess':
$sql = "DELETE FROM " . SEARCH_WORD_TABLE . "
WHERE word_id IN (
SELECT w.word_id
FROM " . SEARCH_WORD_TABLE . " w
LEFT JOIN " . SEARCH_MATCH_TABLE . " m ON m.word_id = w.word_id
WHERE m.word_id IS NULL)";
$result = $db->sql_query($sql);
if( !$result )
{
message_die(GENERAL_ERROR, "Couldn't delete old words from word table", __LINE__, __FILE__, $sql);
}
break;
case 'mysql':
case 'mysql4':
// 0.07s
$sql = "SELECT w.word_id
FROM " . SEARCH_WORD_TABLE . " w
LEFT JOIN " . SEARCH_MATCH_TABLE . " m ON m.word_id = w.word_id
WHERE m.word_id IS NULL";
if( $result = $db->sql_query($sql) )
{
if( $db->sql_numrows($result) )
{
$rowset = array();
while( $row = $db->sql_fetchrow($result) )
{
$rowset[] = $row['word_id'];
}
$word_id_sql = implode(", ", $rowset);
if( $word_id_sql )
{
// 0.07s (about 15-20 words)
$sql = "DELETE FROM " . SEARCH_WORD_TABLE . "
WHERE word_id IN ($word_id_sql)";
$result = $db->sql_query($sql);
if( !$result )
{
message_die(GENERAL_ERROR, "Couldn't delete word list entry", "", __LINE__, __FILE__, $sql);
}
}
}
}
break;
}
$sql = "UPDATE " . FORUMS_TABLE . " $sql = "UPDATE " . FORUMS_TABLE . "
SET forum_topics = forum_topics - $pruned_topics, forum_posts = forum_posts - $pruned_posts SET forum_topics = forum_topics - $pruned_topics, forum_posts = forum_posts - $pruned_posts
@ -116,15 +208,15 @@ function prune($forum_id, $prune_date)
message_die(GENERAL_ERROR, "Couldn't update forum data after prune.", "", __LINE__, __FILE__, $sql); message_die(GENERAL_ERROR, "Couldn't update forum data after prune.", "", __LINE__, __FILE__, $sql);
} }
$returnval = array ( return array (
"topics" => $pruned_topics, "topics" => $pruned_topics,
"posts" => $pruned_posts); "posts" => $pruned_posts);
return $returnval;
} }
else else
{ {
return (array("topics" => 0, "posts" => 0)); return array(
"topics" => 0,
"posts" => 0);
} }
} }