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Nov 16, 2009, 4:11 PM
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[SCM] Interchange branch, master, updated. REL_5_7_3-22-g72809c4
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- Log -----------------------------------------------------------------
commit 72809c4b84bc71dbfc5478d03fce97a81f8d3ece
Author: Jon Jensen <jon [at] endpoint>
Date: Mon Nov 16 17:00:18 2009 -0700
Give mv_max_matches (aka mm) some real teeth
* Make mv_max_matches stop all further searching once the limit is hit,
rather than loading the entire result set into memory and then truncating
it.
In my tests with a 700,000+ row products table, this is dramatically
faster when limiting results to 1000, but surprisingly it adds little
overhead even when still fetching the entire table.
* Add pragma max_matches, which takes precedence over user-supplied
mv_max_matches unless the user-supplied argument is more restrictive.
Please note that e.g. [pragma max_matches 1000] on a search landing page
will be processed too late to affect the search, because searches are
done in an ActionMap that runs before the page is seen.
You can use a catalog Pragma directive like this:
Pragma max_matches=1000
Which will affect everything in the catalog, including the admin.
If you want to make exceptions to the mv_max_matches limit based on URL,
you can instead use an Autoload that calls a GlobalSub, like this:
interchange.cfg:
GlobalSub <<EOR
sub set_pragma_max_matches {
$::Pragma->{max_matches} = 1000
unless $Vend::FinalPath =~ m{^/admin/};
return;
}
EOR
catalog.cfg:
Autoload set_pragma_max_matches
commit dee1f77cbc66f3e6232cb50f9b9c6153e09a849e
Author: Jon Jensen <jon [at] endpoint>
Date: Mon Nov 16 16:55:24 2009 -0700
Make [tag pragma name value] work like [pragma name value] does
commit a419785a3c0c60b93462fcb29288884800cfc0f0
Author: Jon Jensen <jon [at] endpoint>
Date: Mon Nov 16 16:54:11 2009 -0700
Remove nonfunctional pragma that would break the admin if it did work
This:
[tag pragma no_image_rewrite 0][/tag]
was setting $::Pragma->{no_image_rewrite0} which was of course never used,
do to a misunderstanding of the [tag pragma] syntax.
But fixing that bug actually breaks the admin because of this, so I'm
removing it before the fix.
-----------------------------------------------------------------------
Summary of changes and diff:
dist/lib/UI/vars/UI_STD_HEAD | 1 -
lib/Vend/DbSearch.pm | 22 ++++++++++++++++++----
lib/Vend/Interpolate.pm | 11 +++++++++--
3 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/dist/lib/UI/vars/UI_STD_HEAD b/dist/lib/UI/vars/UI_STD_HEAD
index ddd5e87..fe05ff8 100644
--- a/dist/lib/UI/vars/UI_STD_HEAD
+++ b/dist/lib/UI/vars/UI_STD_HEAD
@@ -37,7 +37,6 @@ EOV
Variable UI_STD_HEAD <<EOV
[tag pragma strip_white][/tag]
-[tag pragma no_image_rewrite 0][/tag]
@_UI_STD_INIT_@
[if-mm !logged_in]
[set ui_checklist][/set]
diff --git a/lib/Vend/DbSearch.pm b/lib/Vend/DbSearch.pm
index 79917af..0e54845 100644
--- a/lib/Vend/DbSearch.pm
+++ b/lib/Vend/DbSearch.pm
@@ -232,7 +232,20 @@ sub search {
}
$s->save_specs();
- foreach $searchfile (@searchfiles) {
+
+ # set max_matches based on the lower of the pragma & the search parameter
+ # (so end-users can further restrict the size of the result set, but not increase it)
+ my $max_matches;
+ {
+ no warnings 'uninitialized';
+ $max_matches = $::Pragma->{max_matches};
+ undef $max_matches if $max_matches < 1;
+ my $search_mm = $s->{mv_max_matches};
+ $max_matches = $search_mm
+ if $search_mm > 0 and (!$max_matches or $search_mm < $max_matches);
+ }
+
+ SEARCHFILE: for $searchfile (@searchfiles) {
my $lqual = $qual || '';
$searchfile =~ s/\..*//;
my $db;
@@ -276,6 +289,7 @@ sub search {
while($ref = $dbref->each_nokey($lqual) ) {
next unless $limit_sub->($ref);
push @out, $return_sub->($ref);
+ last SEARCHFILE if $max_matches and @out >= $max_matches;
}
}
elsif(defined $limit_sub) {
@@ -287,6 +301,7 @@ sub search {
next unless &$f();
next unless $limit_sub->($ref);
push @out, $return_sub->($ref);
+ last SEARCHFILE if $max_matches and @out >= $max_matches;
}
}
elsif (!defined $f) {
@@ -301,6 +316,7 @@ sub search {
$_ = join "\t", @$ref;
next unless &$f();
push @out, $return_sub->($ref);
+ last SEARCHFILE if $max_matches and @out >= $max_matches;
}
}
$s->restore_specs();
@@ -329,9 +345,7 @@ sub search {
@out = grep ! $seen{$_->[0]}++, @out;
}
- if($s->{mv_max_matches} and $s->{mv_max_matches} > 0) {
- splice @out, $s->{mv_max_matches};
- }
+ splice @out, $max_matches if $max_matches;
$s->{matches} = scalar(@out);
diff --git a/lib/Vend/Interpolate.pm b/lib/Vend/Interpolate.pm
index 993236a..50dd129 100644
--- a/lib/Vend/Interpolate.pm
+++ b/lib/Vend/Interpolate.pm
@@ -1759,9 +1759,16 @@ sub show_tags {
sub pragma {
my($pragma, $opt, $text) = @_;
- $pragma =~ s/\W+//g;
+ my $value;
- my $value = defined $opt->{value} ? $opt->{value} : 1;
+ # pragma value may come in attached to the pragma name from [tag pragma name value][/tag]
+ $pragma =~ s/^(\w+)(?:\s+(\w+))?.*/$1/ and $value = $2;
+
+ # or as a specified option [tag op=pragma arg="name" value="value"][/tag]
+ $value = defined $opt->{value} ? $opt->{value} : 1
+ unless defined $value;
+
+ # or as a tag body like [tag pragma name]value[/pragma]
if(! defined $opt->{value} and $text =~ /\S/) {
$value = $text;
}
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