our %priorities=( "OR" => 0, "AND" => 1, "NOT" => 2 );
-our $PATH_ALLTRACKS="TRACKS";
-our $PATH_NOARTIST="NOARTIST";
-our $PATH_NOALBUM="NOALBUM";
+our $PATH_ALLTRACKS= "ALLTRACKS";
+our $PATH_NOARTIST = "NOARTIST";
+our $PATH_NOALBUM = "NOALBUM";
sub new
{
my @parts=@{$self->{components}};
my($tag, $tagval);
$self->{elements}=[];
- $self->{bare_not}=0;
$self->{in_all}=0;
my $root_not=0;
my $tags_seen=0;
}
}
- if($root_not && ($tags_seen < 2))
- {
- $self->{bare_not}=1;
- }
-
# remove trailing boolean
my @elements=@{$self->{elements}};
while(@elements && $self->is("boolean", $elements[$#elements]))
$self->{tagtree}=$self->elements_to_tree(\@elements);
if($self->{tagtree})
{
- my ($conditions, @joins)=$self->{tagtree}->to_sql();
+# my ($conditions, @joins)=$self->{tagtree}->to_sql();
# print "CONDITIONS(", scalar(@joins), "): ", $conditions, "\n";
-# print "TREE: ", $self->{tagtree}->print(), "\n";
-# print("SQL CONDITION(", scalar(@{$self->{joins}}), "): ",
-# $self->{sqlconditions}, "\n");
-# use Data::Dumper;
-# print Dumper $self->{tagtree};
}
}
") AS subselect\n" .
"INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
"INNER JOIN tags ON files_x_tags.tags_id=tags.id\n");
- my @allused=$self->used_tags();
- my @used=grep { ref($_) ne "ARRAY"; } @allused;
- my @used_with_vals=grep { ref($_) eq "ARRAY"; } @allused;
-# print "tags(): USED: ", join(", ", @used), "\n";
-# print "tags(): USED_WITH_VALS: ", join(", ", map { "[".$_->[0]. ", ".$_->[1]."]";} @used_with_vals), "\n";
- my @orclauses=();
my @andclauses=();
my $id=$self->trailing_tag_id();
- if($hasvals)
- {
-# print "HAS_VALUES\n";
- my @values=map { "'".$_->[1]."'"; } grep { $_->[0] == $id; } @used_with_vals;
- my $clause="(tags.parents_id='$id'";
- if(@values)
- {
- $clause .= " AND tags.id NOT IN (" . join(', ', @values) . ")";
- }
- $clause .= ")";
- push(@andclauses, $clause);
- }
- else
- {
-# print "HASNT VALUES\n";;
- if(@used)
- {
- push(@andclauses, "(NOT (tags.parents_id='' AND tags.id IN (" . join(', ', @used) . ")))");
- }
- for my $pair (@used_with_vals)
- {
- push(@andclauses, "(NOT (tags.parents_id='" . $pair->[0] . "' AND tags.id='" . $pair->[1] . "'))");
- }
- }
- my $parentclause= "(tags.parents_id='";
+ my $parentclause= "tags.parents_id='";
if($hasvals)
{
$parentclause .= $id;
{
$parentclause .= $parent;
}
- $parentclause .= "')";
+ $parentclause .= "'";
push(@andclauses, $parentclause);
- if(@orclauses)
+ my @used=$self->used_tags();
+ if(@used)
{
- push(@andclauses, '( ' . join(' OR ', @orclauses) . ' )');
+ push(@andclauses, "tags.id NOT IN (" . join(', ', @used) . ")");
}
if(@andclauses)
{
$sql .= "WHERE " . join(' AND ', @andclauses) . "\n";
}
+
$sql .= "GROUP BY tags.name;";
print "SQL(TAGS): $sql\n" if($self->{verbose});
my @tagnames=$self->{db}->cmd_firstcol($sql);
{
my($self)=@_;
my $hasvals=$self->expecting_values();
- # we need to specially handle a bare /NOT/tag with no other clauses,
- # using a simple WHERE id !='tagid' instead of a LEFT JOIN
- if($self->{bare_not})
- {
- return $self->bare_not_subselect();
- }
if($self->{in_all})
{
return "\tSELECT id FROM files AS files_id\n";
}
my $tree=$self->{tagtree};
print "UNDEF!!\n" unless($self->{tagtree});
- use Data::Dumper;
- print Dumper $tree;
my $parent=$self->trailing_tag_parent();
# print "ELEMENTS: ", join('/', map { $_->{name}; } @{$self->{elements}}), "\n";
return $sql;
}
-sub bare_not_subselect
-{
- my($self)=@_;
- my @tags=grep { $self->is("tag", $_); } @{$self->{elements}};
- my $sql=("\tSELECT f1.id AS files_id FROM files f1 WHERE f1.id NOT IN (\n" .
- "\t\tSELECT fxt1.files_id FROM tags t1\n" .
- "\t\tINNER JOIN files_x_tags fxt1 ON t1.id=fxt1.tags_id\n" .
- "\t\tWHERE ");
- if(scalar(@tags) > 1)
- {
- $sql .= ("(t1.parents_id='" . $tags[0]->id() . "' AND t1.id='" .
- $tags[1]->id() . "')");
- }
- else
- {
- $sql .= ("(t1.parents_id='' AND t1.id='" . $tags[0]->id() . "')");
- }
- $sql .= "\n\t\tGROUP BY fxt1.files_id\n\t)\n";
- return($sql);
-}
-
sub sql_start
{
my($self, $tables)=@_;
my @outdirs=();
for my $dir (@dirs)
{
- print "\nFILTER (",$self->state(), "): $base / $dir\n";
+# print "\nFILTER (",$self->state(), "): $base / $dir\n";
if($self->empty("$base/$dir"))
{
- print "empty: $base / $dir\n";
+# print "empty: $base / $dir\n";
}
else
{
- print "non-empty, accepting: $base / $dir\n";
+# print "non-empty, accepting: $base / $dir\n";
push(@outdirs, $dir);
}
}