X-Git-Url: http://erislabs.net/gitweb/?p=id3fs.git;a=blobdiff_plain;f=lib%2FID3FS%2FPath%2FNode.pm;h=bdc403fda57f238972315a9b5ba1c5ae33beb73a;hp=478adb33b75d97d6bff21cc36e3e3846eb59b846;hb=fc30364efa6a07b2065f0f54e6792f17970535b8;hpb=bca85e76702650921c8a165b94142816ee3fa2ae diff --git a/lib/ID3FS/Path/Node.pm b/lib/ID3FS/Path/Node.pm index 478adb3..bdc403f 100644 --- a/lib/ID3FS/Path/Node.pm +++ b/lib/ID3FS/Path/Node.pm @@ -93,6 +93,7 @@ sub to_sql { @outjoins = @joins = ("INNER"); } + if($self->type() ne "boolean") { my $cnt=scalar(@joins)+1; @@ -103,63 +104,80 @@ sub to_sql } return ($str, @outjoins); } - else + + my $left=$self->left(); + my $right=$self->right(); + return ("", @outjoins) unless($left || $right); + my ($leftstr, @leftjoins) = $left->to_sql($hasvals, $not, @joins) if($left); + push(@joins, @leftjoins); + push(@outjoins, @leftjoins); + my $op=$self->name(); + print "op: $op type: ", $self->type(), " not: $not\n"; + if(defined($op)) { - my $left=$self->left(); - my $right=$self->right(); - return ("", @outjoins) unless($left || $right); - my ($leftstr, @leftjoins) = $left->to_sql($hasvals, $not, @joins) if($left); - push(@joins, @leftjoins); - push(@outjoins, @leftjoins); - my $op=$self->name(); - if(defined($op) && $self->type() eq "boolean") + # if we are ANDing, add an inner join + # also if we are NOTing, but we are looking for a tag *value* + if($op eq "AND") { - # if we are ANDing, add an inner join - # also if we are NOTing, but we are looking for a tag *value* - if( ($op eq "AND") || ($hasvals && ($op eq "NOT"))) - { - # hack - if right child is a NOT, we don't need extra join/brackets - # NOT will do the same and we will end up with an extra one - unless($right && $right->name() && $right->name() eq "NOT") - { - push(@joins, "INNER"); - push(@outjoins, "INNER"); - } - } - elsif($op eq "NOT") + print "AND\n"; + # hack - if right child is a NOT, we don't need extra join/brackets + # NOT will do the same and we will end up with an extra one + unless($right && $right->name() && $right->name() eq "NOT") { - $not=1; - push(@joins, "LEFT"); - push(@outjoins, "LEFT"); -# print("LEFT: ", $left->print(), "\n") if ($left); -# print("RIGHT: ", $right->print(), "\n") if($right); + push(@joins, "INNER"); + push(@outjoins, "INNER"); } - elsif($op eq "OR") + } + elsif($op eq "NOT") + { + print "NOT (was $not)\n"; + $not=1; + # as above - if right child is a NOT, we don't need extra join/brackets + # NOT will do the same and we will end up with an extra one + unless($right && $right->name() && $right->name() eq "NOT") { - # if left child is a not, we need an extra (inner) join - if($left && $left->name() && $left->name() eq "NOT") + if($hasvals) { push(@joins, "INNER"); push(@outjoins, "INNER"); } + else + { + push(@joins, "LEFT"); + push(@outjoins, "LEFT"); + } } +# print("LEFT: ", $left->print(), "\n") if ($left); +# print("RIGHT: ", $right->print(), "\n") if($right); } - my ($rightstr, @rightjoins) = $right->to_sql($hasvals, $not, @joins) if($right); - push(@outjoins, @rightjoins); -# print "LEFT (", scalar(@leftjoins), "): $leftstr\n"; -# print "RIGHT (", scalar(@rightjoins), "): $rightstr\n"; - my $str=$leftstr; - $str .= " $op " if($op && !$not); - $str .= $rightstr; - if($op || ($left && $right)) + elsif($op eq "OR") { - $str="(" . $str . ")"; + print "OR\n"; + # if left child is a NOT, we need an extra (inner) join + # unless right child is also a NOT + if(($left && $left->name() && $left->name() eq "NOT") && + !($right && $right->name() && $right->name() eq "NOT")) + { + push(@joins, "INNER"); + push(@outjoins, "INNER"); + } } -# print "STR: $str\n"; -# my @all=(@joins, @rightjoins); -# print "JOINS: RETURN ", scalar(@outjoins), " ALL ", scalar(@all), "\n"; - return($str, @outjoins); } + my ($rightstr, @rightjoins) = $right->to_sql($hasvals, $not, @joins) if($right); + push(@outjoins, @rightjoins); +# print "LEFT (", scalar(@leftjoins), "): $leftstr\n"; +# print "RIGHT (", scalar(@rightjoins), "): $rightstr\n"; + $str=$leftstr; + $str .= " $op " if($op && !$not); + $str .= $rightstr; + if($op || ($left && $right)) + { + $str="(" . $str . ")"; + } +# print "STR: $str\n"; +# my @all=(@joins, @rightjoins); +# print "JOINS: RETURN ", scalar(@outjoins), " ALL ", scalar(@all), "\n"; + return($str, @outjoins); } sub used_tags