- 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++;