- Fixed bug in book_prev(). Patch by Andy Colson.

- Book optimizations: updated to use inner joins.  Patch by Andy Colson.
  This should address bug #1373.

  TODO: add index to MSSQL database scheme.
4.2.x
Dries Buytaert 2003-05-18 16:43:56 +00:00
parent a1c0d41681
commit 7e8aa5268b
5 changed files with 51 additions and 34 deletions

View File

@ -66,7 +66,8 @@ CREATE TABLE book (
format tinyint(2) default '0',
log text,
PRIMARY KEY (nid),
KEY nid (nid)
KEY nid (nid),
KEY parent (parent)
) TYPE=MyISAM;
--

View File

@ -66,6 +66,7 @@ CREATE TABLE book (
PRIMARY KEY (nid)
);
CREATE INDEX book_nid_idx ON book(nid);
CREATE INDEX book_parent ON book(parent);
--
-- Table structure for boxes

View File

@ -86,7 +86,7 @@ function book_link($type, $node = 0, $main = 0) {
menu("admin/node/book/orphan", "orphan pages", "book_admin", $help["orphan"], 8);
menu("admin/node/book/help", "help", "book_help", NULL, 9);
$result = db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = 0 ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = 0 ORDER BY b.weight, n.title");
while ($book = db_fetch_object($result)) {
menu("admin/node/book/$book->nid", "'$book->title' book", "book_admin");
}
@ -292,7 +292,7 @@ function book_revision_load($page, $conditions = array()) {
** Return the path (call stack) to a certain book page.
*/
function book_location($node, $nodes = array()) {
$parent = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.nid = %d", $node->parent));
$parent = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.nid = %d", $node->parent));
if ($parent->title) {
$nodes = book_location($parent, $nodes);
array_push($nodes, $parent);
@ -301,7 +301,7 @@ function book_location($node, $nodes = array()) {
}
function book_location_down($node, $nodes = array()) {
$last_direct_child = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight DESC, n.title DESC", $node->nid));
$last_direct_child = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight DESC, n.title DESC", $node->nid));
if ($last_direct_child) {
array_push($nodes, $last_direct_child);
$nodes = book_location_down($last_direct_child, $nodes);
@ -310,23 +310,29 @@ function book_location_down($node, $nodes = array()) {
}
function book_prev($node) {
// if the parent is zero, we are at the start of a book so there is no previous
if ($node->parent == 0) {
return NULL;
}
// previous on the same level
$direct_above = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight < %d OR (b.weight = %d AND n.title < '%s')) ORDER BY b.weight DESC, n.title DESC", $node->parent, $node->weight, $node->weight, $node->title));
$direct_above = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight < %d OR (b.weight = %d AND n.title < '%s')) ORDER BY b.weight DESC, n.title DESC", $node->parent, $node->weight, $node->weight, $node->title));
if ($direct_above) {
// get last leaf of $above
$path = book_location_down($direct_above);
return $path ? (count($path) > 1 ? array_pop($path) : NULL) : $direct_above;
return $path ? (count($path) > 0 ? array_pop($path) : NULL) : $direct_above;
}
else {
// direct parent
$prev = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.nid = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '')", $node->parent));
$prev = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.nid = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '')", $node->parent));
return $prev;
}
}
function book_next($node) {
// get first direct child
$child = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') ORDER BY b.weight ASC, n.title ASC", $node->nid));
$child = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') ORDER BY b.weight ASC, n.title ASC", $node->nid));
if ($child) {
return $child;
}
@ -335,7 +341,7 @@ function book_next($node) {
array_push($path = book_location($node), $node); // path to root node including this one
// loop through nodes to book root, starting with this node
while (($leaf = array_pop($path)) && count($path)) {
$next = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight > %d OR (b.weight = %d AND n.title > '%s')) ORDER BY b.weight ASC, n.title ASC", $leaf->parent, $leaf->weight, $leaf->weight, $leaf->title));
$next = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight > %d OR (b.weight = %d AND n.title > '%s')) ORDER BY b.weight ASC, n.title ASC", $leaf->parent, $leaf->weight, $leaf->weight, $leaf->title));
if ($next) {
return $next;
}
@ -459,7 +465,7 @@ function book_toc_recurse($nid, $indent, $toc, $children) {
function book_toc($parent = 0, $indent = "", $toc = array()) {
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = '1' ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = '1' ORDER BY b.weight, n.title");
while ($node = db_fetch_object($result)) {
$list = $children[$node->parent] ? $children[$node->parent] : array();
@ -507,7 +513,7 @@ function book_tree_recurse($nid, $depth, $children) {
function book_tree($parent = 0, $depth = 3) {
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = '1' AND n.moderate = '0' ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = '1' AND n.moderate = '0' ORDER BY b.weight, n.title");
while ($node = db_fetch_object($result)) {
$list = $children[$node->parent] ? $children[$node->parent] : array();
@ -524,8 +530,7 @@ function book_tree($parent = 0, $depth = 3) {
function book_render() {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = 0 AND n.status = 1 AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = 0 AND n.status = 1 AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
while ($page = db_fetch_object($result)) {
// load the node:
@ -567,7 +572,7 @@ function book_page() {
}
function book_print($id = "", $depth = 1) {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND n.nid = %d AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title", $id);
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND n.nid = %d AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title", $id);
while ($page = db_fetch_object($result)) {
// load the node:
@ -594,7 +599,7 @@ function book_print($id = "", $depth = 1) {
}
function book_print_recurse($parent = "", $depth = 1) {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND b.parent = '$parent' AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND b.parent = '$parent' AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
while ($page = db_fetch_object($result)) {
// load the node:
@ -628,7 +633,7 @@ function book_admin_view_line($node, $depth = 0) {
}
function book_admin_view_book($nid, $depth = 1) {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight, n.title", $nid);
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight, n.title", $nid);
while ($node = db_fetch_object($result)) {
$node = node_load(array("nid" => $node->nid));
@ -691,7 +696,7 @@ function book_admin_save($nid, $edit = array()) {
function book_admin_orphan() {
$result = db_query("SELECT n.nid, n.title, n.status, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.type = 'book'");
$result = db_query("SELECT n.nid, n.title, n.status, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.type = 'book'");
while ($page = db_fetch_object($result)) {
$pages[$page->nid] = $page;

View File

@ -86,7 +86,7 @@ function book_link($type, $node = 0, $main = 0) {
menu("admin/node/book/orphan", "orphan pages", "book_admin", $help["orphan"], 8);
menu("admin/node/book/help", "help", "book_help", NULL, 9);
$result = db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = 0 ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = 0 ORDER BY b.weight, n.title");
while ($book = db_fetch_object($result)) {
menu("admin/node/book/$book->nid", "'$book->title' book", "book_admin");
}
@ -292,7 +292,7 @@ function book_revision_load($page, $conditions = array()) {
** Return the path (call stack) to a certain book page.
*/
function book_location($node, $nodes = array()) {
$parent = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.nid = %d", $node->parent));
$parent = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.nid = %d", $node->parent));
if ($parent->title) {
$nodes = book_location($parent, $nodes);
array_push($nodes, $parent);
@ -301,7 +301,7 @@ function book_location($node, $nodes = array()) {
}
function book_location_down($node, $nodes = array()) {
$last_direct_child = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight DESC, n.title DESC", $node->nid));
$last_direct_child = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight DESC, n.title DESC", $node->nid));
if ($last_direct_child) {
array_push($nodes, $last_direct_child);
$nodes = book_location_down($last_direct_child, $nodes);
@ -310,23 +310,29 @@ function book_location_down($node, $nodes = array()) {
}
function book_prev($node) {
// if the parent is zero, we are at the start of a book so there is no previous
if ($node->parent == 0) {
return NULL;
}
// previous on the same level
$direct_above = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight < %d OR (b.weight = %d AND n.title < '%s')) ORDER BY b.weight DESC, n.title DESC", $node->parent, $node->weight, $node->weight, $node->title));
$direct_above = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight < %d OR (b.weight = %d AND n.title < '%s')) ORDER BY b.weight DESC, n.title DESC", $node->parent, $node->weight, $node->weight, $node->title));
if ($direct_above) {
// get last leaf of $above
$path = book_location_down($direct_above);
return $path ? (count($path) > 1 ? array_pop($path) : NULL) : $direct_above;
return $path ? (count($path) > 0 ? array_pop($path) : NULL) : $direct_above;
}
else {
// direct parent
$prev = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.nid = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '')", $node->parent));
$prev = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.nid = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '')", $node->parent));
return $prev;
}
}
function book_next($node) {
// get first direct child
$child = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') ORDER BY b.weight ASC, n.title ASC", $node->nid));
$child = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') ORDER BY b.weight ASC, n.title ASC", $node->nid));
if ($child) {
return $child;
}
@ -335,7 +341,7 @@ function book_next($node) {
array_push($path = book_location($node), $node); // path to root node including this one
// loop through nodes to book root, starting with this node
while (($leaf = array_pop($path)) && count($path)) {
$next = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight > %d OR (b.weight = %d AND n.title > '%s')) ORDER BY b.weight ASC, n.title ASC", $leaf->parent, $leaf->weight, $leaf->weight, $leaf->title));
$next = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d AND n.status = 1 AND (n.moderate = 0 OR n.revisions != '') AND (b.weight > %d OR (b.weight = %d AND n.title > '%s')) ORDER BY b.weight ASC, n.title ASC", $leaf->parent, $leaf->weight, $leaf->weight, $leaf->title));
if ($next) {
return $next;
}
@ -459,7 +465,7 @@ function book_toc_recurse($nid, $indent, $toc, $children) {
function book_toc($parent = 0, $indent = "", $toc = array()) {
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = '1' ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = '1' ORDER BY b.weight, n.title");
while ($node = db_fetch_object($result)) {
$list = $children[$node->parent] ? $children[$node->parent] : array();
@ -507,7 +513,7 @@ function book_tree_recurse($nid, $depth, $children) {
function book_tree($parent = 0, $depth = 3) {
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = '1' AND n.moderate = '0' ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid, n.title, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = '1' AND n.moderate = '0' ORDER BY b.weight, n.title");
while ($node = db_fetch_object($result)) {
$list = $children[$node->parent] ? $children[$node->parent] : array();
@ -524,8 +530,7 @@ function book_tree($parent = 0, $depth = 3) {
function book_render() {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = 0 AND n.status = 1 AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = 0 AND n.status = 1 AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
while ($page = db_fetch_object($result)) {
// load the node:
@ -567,7 +572,7 @@ function book_page() {
}
function book_print($id = "", $depth = 1) {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND n.nid = %d AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title", $id);
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND n.nid = %d AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title", $id);
while ($page = db_fetch_object($result)) {
// load the node:
@ -594,7 +599,7 @@ function book_print($id = "", $depth = 1) {
}
function book_print_recurse($parent = "", $depth = 1) {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND b.parent = '$parent' AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND b.parent = '$parent' AND (n.moderate = 0 OR n.revisions IS NOT NULL) ORDER BY b.weight, n.title");
while ($page = db_fetch_object($result)) {
// load the node:
@ -628,7 +633,7 @@ function book_admin_view_line($node, $depth = 0) {
}
function book_admin_view_book($nid, $depth = 1) {
$result = db_query("SELECT n.nid FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight, n.title", $nid);
$result = db_query("SELECT n.nid FROM node n INNER JOIN book b ON n.nid = b.nid WHERE b.parent = %d ORDER BY b.weight, n.title", $nid);
while ($node = db_fetch_object($result)) {
$node = node_load(array("nid" => $node->nid));
@ -691,7 +696,7 @@ function book_admin_save($nid, $edit = array()) {
function book_admin_orphan() {
$result = db_query("SELECT n.nid, n.title, n.status, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.type = 'book'");
$result = db_query("SELECT n.nid, n.title, n.status, b.parent FROM node n INNER JOIN book b ON n.nid = b.nid WHERE n.type = 'book'");
while ($page = db_fetch_object($result)) {
$pages[$page->nid] = $page;

View File

@ -64,7 +64,8 @@ $mysql_updates = array(
"2003-01-05" => "update_49",
"2003-01-15" => "update_50",
"2003-04-19" => "update_51",
"2003-04-20" => "update_52"
"2003-04-20" => "update_52",
"2003-05-18" => "update_53"
);
// Update functions
@ -704,6 +705,10 @@ function update_52() {
update_sql("UPDATE sequences SET name = 'term_data_tid' WHERE name = 'term_data'");
}
function update_53() {
update_sql("CREATE INDEX book_parent ON book(parent);");
}
function update_upgrade3() {
update_sql("INSERT INTO system VALUES ('archive.module','archive','module','',1)");
update_sql("INSERT INTO system VALUES ('block.module','block','module','',1)");