Re-did OUTER JOIN query since it is required here

git-svn-id: file:///svn/phpbb/trunk@299 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen 2001-05-15 13:40:05 +00:00
parent d548bbeb2b
commit 078f63bc8a

View file

@ -52,7 +52,7 @@ include('includes/page_header.'.$phpEx);
$sql = "SELECT c.cat_id, c.cat_title, c.cat_order $sql = "SELECT c.cat_id, c.cat_title, c.cat_order
FROM ".CATEGORIES_TABLE." c, ".FORUMS_TABLE." f FROM ".CATEGORIES_TABLE." c, ".FORUMS_TABLE." f
WHERE f.cat_id=c.cat_id WHERE f.cat_id = c.cat_id
GROUP BY c.cat_id, c.cat_title, c.cat_order GROUP BY c.cat_id, c.cat_title, c.cat_order
ORDER BY c.cat_order"; ORDER BY c.cat_order";
if(!$q_categories = $db->sql_query($sql)) if(!$q_categories = $db->sql_query($sql))
@ -67,17 +67,55 @@ if($total_categories)
$category_rows = $db->sql_fetchrowset($q_categories); $category_rows = $db->sql_fetchrowset($q_categories);
$limit_forums = ""; $limit_forums = "";
if($viewcat != -1) //
// Define appropriate SQL
//
switch(SQL_LAYER)
{ {
$limit_forums = "AND f.cat_id = $viewcat "; case 'postgresql':
$limit_forums = ($viewcat != -1) ? "AND f.cat_id = $viewcat " : "";
$sql = "SELECT f.*, t.topic_id, p.post_time, u.username, u.user_id
FROM ".FORUMS_TABLE." f, ".TOPICS_TABLE." t, ".POSTS_TABLE." p, ".USERS_TABLE." u
WHERE f.forum_last_post_id = p.post_id
AND p.post_id = t.topic_last_post_id
AND p.poster_id = u.user_id
$limit_forums
UNION (
SELECT f.*, NULL, NULL, NULL, NULL
FROM ".FORUMS_TABLE." f
WHERE NOT EXISTS (
SELECT p.post_time
FROM ".POSTS_TABLE." p
WHERE f.forum_last_post_id = p.post_id
)
$limit_forums
)
ORDER BY f.cat_id, f.forum_order";
break;
case 'oracle':
$limit_forums = ($viewcat != -1) ? "AND f.cat_id = $viewcat " : "";
$sql = "SELECT f.*, t.topic_id, u.username, u.user_id, p.post_time
FROM ".FORUMS_TABLE." f, ".POSTS_TABLE." p, ".TOPICS_TABLE." t, ".USERS_TABLE." u
WHERE f.forum_last_post_id = p.post_id(+)
AND p.post_id = t.topic_last_post_id(+)
AND p.poster_id = u.user_id(+)
$limit_forums
ORDER BY f.cat_id, f.forum_order";
break;
default:
// This works on: MySQL, MSSQL and ODBC (Access)
$limit_forums = ($viewcat != -1) ? "WHERE f.cat_id = $viewcat " : "";
$sql = "SELECT f.*, t.topic_id, u.username, u.user_id, p.post_time
FROM (( ".FORUMS_TABLE." f
LEFT JOIN ".POSTS_TABLE." p ON f.forum_last_post_id = p.post_id )
LEFT JOIN ".TOPICS_TABLE." t ON p.post_id = t.topic_last_post_id )
LEFT JOIN ".USERS_TABLE." u ON p.poster_id = u.user_id
$limit_forums
ORDER BY f.cat_id, f.forum_order";
break;
} }
$sql = "SELECT f.*, t.topic_id, u.username, u.user_id, p.post_time
FROM ".FORUMS_TABLE." f, ".POSTS_TABLE." p, ".USERS_TABLE." u, ".TOPICS_TABLE." t
WHERE p.post_id = f.forum_last_post_id
AND u.user_id = p.poster_id
AND t.topic_last_post_id = p.post_id
$limit_forums
ORDER BY f.cat_id, f.forum_order";
if(!$q_forums = $db->sql_query($sql)) if(!$q_forums = $db->sql_query($sql))
{ {
error_die(SQL_QUERY, "Could not query forums information.", __LINE__, __FILE__); error_die(SQL_QUERY, "Could not query forums information.", __LINE__, __FILE__);
@ -99,8 +137,8 @@ if($total_categories)
for($i = 0; $i < count($forum_mods_list); $i++) for($i = 0; $i < count($forum_mods_list); $i++)
{ {
$forum_mods["forum_".$forum_mods_list[$i]["forum_id"]."_name"][] = $forum_mods_list[$i]["username"]; $forum_mods['forum_'.$forum_mods_list[$i]['forum_id'].'_name'][] = $forum_mods_list[$i]['username'];
$forum_mods["forum_".$forum_mods_list[$i]["forum_id"]."_id"][] = $forum_mods_list[$i]["user_id"]; $forum_mods['forum_'.$forum_mods_list[$i]['forum_id'].'_id'][] = $forum_mods_list[$i]['user_id'];
} }
for($i = 0; $i < $total_categories; $i++) for($i = 0; $i < $total_categories; $i++)
@ -108,8 +146,8 @@ if($total_categories)
$template->assign_block_vars("catrow", $template->assign_block_vars("catrow",
array( array(
"CAT_ID" => $category_rows[$i]["cat_id"], "CAT_ID" => $category_rows[$i]['cat_id'],
"CAT_DESC" => stripslashes($category_rows[$i]["cat_title"]), "CAT_DESC" => stripslashes($category_rows[$i]['cat_title']),
"U_VIEWCAT" => append_sid("index." . $phpEx . "?viewcat=" . $category_rows[$i]['cat_id']) "U_VIEWCAT" => append_sid("index." . $phpEx . "?viewcat=" . $category_rows[$i]['cat_id'])
) )
); );
@ -117,24 +155,24 @@ if($total_categories)
for($j = 0; $j < $total_forums; $j++) for($j = 0; $j < $total_forums; $j++)
{ {
if( ( $forum_rows[$j]["cat_id"] == $category_rows[$i]["cat_id"] && $viewcat == -1 ) || if( ( $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $viewcat == -1 ) ||
( $category_rows[$i]["cat_id"] == $viewcat) ) ( $category_rows[$i]['cat_id'] == $viewcat) )
{ {
$folder_image = "<img src=\"".$images['folder']."\">"; $folder_image = "<img src=\"".$images['folder']."\">";
$posts = $forum_rows[$j]["forum_posts"]; $posts = $forum_rows[$j]['forum_posts'];
$topics = $forum_rows[$j]["forum_topics"]; $topics = $forum_rows[$j]['forum_topics'];
if($forum_rows[$j]["username"] != "" && $forum_rows[$j]["post_time"] > 0) if($forum_rows[$j]['username'] != "" && $forum_rows[$j]['post_time'] > 0)
{ {
$last_post_time = create_date($board_config['default_dateformat'], $forum_rows[$j]["post_time"], $board_config['default_timezone']); $last_post_time = create_date($board_config['default_dateformat'], $forum_rows[$j]['post_time'], $board_config['default_timezone']);
$last_post = $last_post_time."<br>by "; $last_post = $last_post_time."<br>by ";
$last_post .= "<a href=\"".append_sid("profile.$phpEx?mode=viewprofile&".POST_USERS_URL."=".$forum_rows[$j]["user_id"]); $last_post .= "<a href=\"".append_sid("profile.$phpEx?mode=viewprofile&".POST_USERS_URL."=".$forum_rows[$j]['user_id']);
$last_post .= "\">".$forum_rows[$j]["username"]."</a>&nbsp;<a href=\"".append_sid("viewtopic.".$phpEx."?t=".$forum_rows[$j]['topic_id'])."\"><img src=\"".$images['latest_reply']."\" width=\"20\" height=\"11\" border=\"0\" alt=\"View Latest Post\"></a>"; $last_post .= "\">".$forum_rows[$j]['username']."</a>&nbsp;<a href=\"".append_sid("viewtopic.".$phpEx."?t=".$forum_rows[$j]['topic_id'])."\"><img src=\"".$images['latest_reply']."\" width=\"20\" height=\"11\" border=\"0\" alt=\"View Latest Post\"></a>";
} }
else else
{ {
$last_post = "No Posts"; $last_post = "No Posts";
$forum_rows[$j]["forum_name"] = stripslashes($forum_rows[$j]["forum_name"]); $forum_rows[$j]['forum_name'] = stripslashes($forum_rows[$j]['forum_name']);
} }
if($row_color == "#DDDDDD") if($row_color == "#DDDDDD")
@ -147,7 +185,7 @@ if($total_categories)
} }
unset($moderators_links); unset($moderators_links);
for($mods = 0; $mods < count($forum_mods["forum_".$forum_rows[$j]["forum_id"]."_id"]); $mods++) for($mods = 0; $mods < count($forum_mods['forum_'.$forum_rows[$j]['forum_id'].'_id']); $mods++)
{ {
if(isset($moderators_links)) if(isset($moderators_links))
{ {
@ -157,24 +195,24 @@ if($total_categories)
{ {
$moderators_links .= "<br>"; $moderators_links .= "<br>";
} }
$moderators_links .= "<a href=\"".append_sid("profile.$phpEx?mode=viewprofile&".POST_USERS_URL."=".$forum_mods["forum_".$forum_rows[$j]["forum_id"]."_id"][$mods])."\">".$forum_mods["forum_".$forum_rows[$j]["forum_id"]."_name"][$mods]."</a>"; $moderators_links .= "<a href=\"".append_sid("profile.$phpEx?mode=viewprofile&".POST_USERS_URL."=".$forum_mods['forum_'.$forum_rows[$j]['forum_id'].'_id'][$mods])."\">".$forum_mods['forum_'.$forum_rows[$j]['forum_id'].'_name'][$mods]."</a>";
} }
$template->assign_block_vars("catrow.forumrow", $template->assign_block_vars("catrow.forumrow",
array( array(
"FOLDER" => $folder_image, "FOLDER" => $folder_image,
"FORUM_NAME" => stripslashes($forum_rows[$j]["forum_name"]), "FORUM_NAME" => stripslashes($forum_rows[$j]['forum_name']),
"FORUM_DESC" => stripslashes($forum_rows[$j]["forum_desc"]), "FORUM_DESC" => stripslashes($forum_rows[$j]['forum_desc']),
"ROW_COLOR" => $row_color, "ROW_COLOR" => $row_color,
"POSTS" => $forum_rows[$j]["forum_posts"], "POSTS" => $forum_rows[$j]['forum_posts'],
"TOPICS" => $forum_rows[$j]["forum_topics"], "TOPICS" => $forum_rows[$j]['forum_topics'],
"LAST_POST" => $last_post, "LAST_POST" => $last_post,
"MODERATORS" => $moderators_links, "MODERATORS" => $moderators_links,
"U_VIEWFORUM" => append_sid("viewforum." . $phpEx . "?" . POST_FORUM_URL . "=" . $forum_rows[$j]['forum_id'] . "&" . $forum_rows[$j]['forum_posts'])) "U_VIEWFORUM" => append_sid("viewforum." . $phpEx . "?" . POST_FORUM_URL . "=" . $forum_rows[$j]['forum_id'] . "&" . $forum_rows[$j]['forum_posts']))
); );
// "LAST_POST_USER" => "$forum_rows[$j]["username"]", // "LAST_POST_USER" => "$forum_rows[$j]['username']",
// "U_LAST_POST_USER_PROFILE" => "profile.$phpEx?mode=viewprofile&".POST_USERS_URL."=".$forum_rows[$j]["user_id"]", // "U_LAST_POST_USER_PROFILE" => "profile.$phpEx?mode=viewprofile&".POST_USERS_URL."=".$forum_rows[$j]['user_id']",
// "U_LAST_POST" => "viewtopic.".$phpEx."?t=".$forum_rows[$j]['topic_id'], // "U_LAST_POST" => "viewtopic.".$phpEx."?t=".$forum_rows[$j]['topic_id'],
} }
} }
@ -184,7 +222,7 @@ if($total_categories)
}// if ... total_categories }// if ... total_categories
else else
{ {
error_die(GENERAL_ERROR, "There are no Categories or Foums on this board."); error_die(GENERAL_ERROR, "There are no Categories or Forums on this board.");
} }
$template->pparse("body"); $template->pparse("body");