/usr/share/perl5/Tangram/Expr/FlatArray.pm is in libtangram-perl 2.10-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | package Tangram::Expr::FlatArray;
sub new
{
my $pkg = shift;
bless [ @_ ], $pkg;
}
sub quote
{
my $item = shift or return 'NULL';
$item =~ s/'/''/g;
$item = "'$item'";
return $item;
}
sub includes
{
my ($self, $item) = @_;
my ($coll, $memdef) = @$self;
my $schema = $coll->{storage}{schema};
$item = quote($item)
if $memdef->{string_type};
my $coll_tid = 't' . $coll->root_table;
my $data_tid = 't' . Tangram::Expr::TableAlias->new;
return Tangram::Expr::Filter->new
(
expr => "$data_tid.coll = $coll_tid.$schema->{sql}{id_col} AND $data_tid.v = $item",
tight => 100,
objects => Set::Object->new($coll, Tangram::Expr::Table->new($memdef->{table}, $data_tid) ),
data_tid => $data_tid # for prefetch
);
}
sub exists
{
my ($self, $item) = @_;
my ($coll, $memdef) = @$self;
my $schema = $coll->{storage}{schema};
$item = quote($item)
if $memdef->{string_type};
my $coll_tid = 't' . $coll->root_table;
return Tangram::Expr::Filter->new
(
expr => "EXISTS (SELECT * FROM $memdef->{table} WHERE coll = $coll_tid.$schema->{sql}{id_col} AND v = $item)",
objects => Set::Object->new($coll),
);
}
1;
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