my @orclauses=();
my @andclauses=();
use Data::Dumper;
- print "TAGS: ", Dumper \@tags;
- print "VALS: ", Dumper \@tags_vals;
+# print "TAGS: ", Dumper \@tags;
+# print "VALS: ", Dumper \@tags_vals;
push(@andclauses, "( t2.parents_id=" . (defined($parent) ? $parent : "''") . " )");
if(@tags)
"INNER JOIN files ON subselect.files_id=files.id\n" .
"INNER JOIN albums ON files.albums_id=albums.id\n" .
"GROUP BY albums.name;");
+ print "SQL(ALBUMS): \n$sql\n";
my $result=$self->cmd_rows($sql);
my @names=map { $_->[0]; } @$result;
print "ALBUMS: ", join(', ', @names), "\n";
sub tags_subselect
{
+ return shift->tags_subselect_and(@_);
+}
+
+
+sub tags_subselect_and_not
+{
+ my($self,@constraints)=@_;
+ my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
+ my @tags=@$tags;
+ my @tags_vals=@$tags_vals;;
+ my $cnt=1;
+ my @andclauses=();
+ my $sql='';
+ for my $tag (@tags)
+ {
+ if($cnt == 1)
+ {
+ $sql="\tSELECT fxt" . scalar(@tags) . ".files_id FROM files_x_tags fxt1\n";
+ push(@andclauses, "\t\tfxt${cnt}.tags_id=$tag");
+ }
+ else
+ {
+ $sql .= ("\tLEFT JOIN files_x_tags fxt$cnt ON fxt" .
+ ($cnt-1) . ".files_id=fxt${cnt}.files_id\n");
+ push(@andclauses, "\t\tfxt${cnt}.tags_id IS NULL");
+ }
+ print "AND: @andclauses\n";
+ $cnt++;
+ }
+ if(@andclauses)
+ {
+ $sql .= "\tWHERE\n\t\t";
+ $sql .= join(" AND\n\t\t", @andclauses) . "\n";
+ }
+ $sql .= "\tGROUP BY fxt". scalar(@tags).".files_id\n";
+ return $sql;
+}
+
+
+sub tags_subselect_and
+{
+ my($self,@constraints)=@_;
+ my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
+ my @tags=@$tags;
+ my @tags_vals=@$tags_vals;;
+ my $cnt=1;
+ my @andclauses=();
+ my $sql='';
+ for my $tag (@tags)
+ {
+ if($cnt == 1)
+ {
+ $sql="\tSELECT fxt" . scalar(@tags) . ".files_id FROM files_x_tags fxt1\n";
+ }
+ else
+ {
+ $sql .= ("\tINNER JOIN files_x_tags fxt$cnt ON fxt" .
+ ($cnt-1) . ".files_id=fxt${cnt}.files_id\n");
+ }
+ push(@andclauses, "\t\tfxt${cnt}.tags_id = $tag");
+ print "AND: @andclauses\n";
+ $cnt++;
+ }
+ if(@andclauses)
+ {
+ $sql .= "\tWHERE\n\t\t";
+ $sql .= join(" AND\n\t\t", @andclauses) . "\n";
+ }
+ $sql .= "\tGROUP BY fxt". scalar(@tags).".files_id\n";
+ return $sql;
+}
+
+sub tags_subselect_or
+{
my($self,@constraints)=@_;
my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
my @tags=@$tags;
"\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n");
my @orclauses=();
my @andclauses=();
+ # FIXME: and / or?
if(@tags)
{
push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
my @tags_vals=();
for my $constraint (@constraints)
{
- print ref($constraint), ": ", $constraint->{name}, "\n";
+# print ref($constraint), ": ", $constraint->{name}, "\n";
if(ref($constraint) eq "ID3FS::PathElement::Tag")
{
if(defined($lasttag))
{
- print "TAGVAL\n";
+# print "TAGVAL\n";
push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
$lasttag=undef;
}
elsif($self->tag_has_values($constraint->{id}))
{
- print "HASVALUES\n";
+# print "HASVALUES\n";
$lasttag=$constraint->{id} if defined($constraint->{id});
}
else
{
- print "NOVALUES\n";
+# print "NOVALUES\n";
push(@tags, $constraint->{id}) if(defined($constraint->{id}));
}
}
{
shift(@path);
shift(@rel);
- print "POP ";
+# print "POP ";
}
- print "\n";
+# print "\n";
my $upcount=scalar(@rel);
my $result="../" x $upcount;
$result .= join("/",@path);
my $sql=("SELECT p.name, t.name FROM tags t\n" .
"INNER JOIN tags p ON t.parents_id=p.id\n" .
"GROUP BY p.name, t.name\n");
-# print "SQL: $sql\n";
+ print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
my $tags={};
for my $pair (@$result)
LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
WHERE files_x_tags.files_id IS NULL);
+ VACUUM
EOT
-# print "SQL: $sql\n";
+ print "SQL: $sql\n";
my @sql=split(/\n\n/, $sql);
$self->cmd($_) for (@sql);
}