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Adding navigation caching and implementing the nested set model.

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This commit is contained in:
Martin Kamerbeek 2004-07-11 15:33:41 +00:00
parent bd7ccaf29d
commit 83b93e22e8
7 changed files with 1150 additions and 344 deletions
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9
docs/changelog/6.x.x.txt
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@ -73,9 +73,12 @@
- bugfix [ 934410 ] non-compliant HTML (solution). Thanks to Nicklous
Roberts.
- bugfix [ 963316 ] Field without title in Content Settings
- Converted the page tree system from the ajacency list model to the nested
set model. Thanks to Martin Kamerbeek / Procolix and Dan Collis Puro for
providing the DBIx::Tree::NestedSet module.
- Dropped page tree caching and stepped onto Navigation caching. This helps
scalability a lot. Thanks to Martin Kamerbeek / Procolix
6.0.3
- Fixed a recursive style change bug.
- Bugfix [ 953593 ] perl -MWebGUI -e "" fails

48
docs/upgrades/upgrade_6.0.3-6.1.0.pl
View file

@ -75,6 +75,54 @@ foreach my $key (keys %{$langs}) {
WebGUI::SQL->write("update page set languageId=".quote($langs->{$key})." where languageId=".$key);
}
print "\tConverting page tree to the Nested Set model.\n";
sub walk_down {
my($pageId, $o) = @_[0,1];
my $callback = $o->{callback};
my $callbackback = $o->{callbackback};
my $callback_status = 1;
$callback_status = &{ $callback }( $pageId, $o ) if $callback;
if($callback_status) {
# Keep recursing unless callback returned false... and if there's
# anything to recurse into, of course.
my @daughters = WebGUI::SQL->buildArray("select pageId from page where parentId=$pageId and pageId != 0");
if(@daughters) {
$o->{'_depth'} += 1;
foreach my $one (@daughters) {
walk_down($one, $o);
}
$o->{'_depth'} -= 1;
}
if($callbackback){
scalar( &{ $callbackback }( $pageId, $o ) );
}
}
return;
}
my $counter = 0;
WebGUI::SQL->write("alter table page add column (lft int(11))");
WebGUI::SQL->write("alter table page add column (rgt int(11))");
WebGUI::SQL->write("alter table page add column (id int(11))");
WebGUI::SQL->write("alter table page add column (depth int(3))");
WebGUI::SQL->write("insert into page (pageId, parentId) values (0, -1)");
WebGUI::SQL->write("update page set id=pageId");
walk_down(0, {
callback => sub {
WebGUI::SQL->write("update page set depth=".($_[1]->{_depth}-1).", lft=$counter where pageId=".$_[0]);
$counter++;
return 1;
},
callbackback => sub {
WebGUI::SQL->write("update page set rgt=$counter where pageId=".$_[0]);
$counter++;
return 1;
}
});
WebGUI::Session::close();