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1 | package # hide from PAUSE |
2 | DBIx::Class::CDBICompat::LazyLoading; |
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3 | |
4 | use strict; |
5 | use warnings; |
6 | |
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7 | sub resultset_instance { |
8 | my $self = shift; |
9 | my $rs = $self->next::method(@_); |
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10 | $rs = $rs->search(undef, { columns => [ $self->columns('Essential') ] }); |
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11 | return $rs; |
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12 | } |
13 | |
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14 | |
15 | # Emulate that CDBI throws out all changed columns and reloads them on |
16 | # request in case the database modifies the new value (say, via a trigger) |
17 | sub update { |
18 | my $self = shift; |
19 | |
20 | my @dirty_columns = keys %{$self->{_dirty_columns}}; |
21 | |
22 | my $ret = $self->next::method(@_); |
23 | |
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24 | delete $self->{_column_data}{$_} for @dirty_columns; |
25 | delete $self->{_inflated_column}{$_} for @dirty_columns; |
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26 | |
27 | return $ret; |
28 | } |
29 | |
30 | |
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31 | sub get_column { |
32 | my ($self, $col) = @_; |
33 | if ((ref $self) && (!exists $self->{'_column_data'}{$col}) |
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34 | && $self->{'_in_storage'}) { |
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35 | $self->_flesh(grep { exists $self->_column_groups->{$_}{$col} |
36 | && $_ ne 'All' } |
37 | keys %{ $self->_column_groups || {} }); |
38 | } |
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39 | $self->next::method(@_[1..$#_]); |
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40 | } |
41 | |
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42 | # CDBI does not explicitly declare auto increment columns, so |
43 | # we just clear out our primary columns before copying. |
44 | sub copy { |
45 | my($self, $changes) = @_; |
46 | |
47 | for my $col ($self->primary_columns) { |
48 | $changes->{$col} = undef unless exists $changes->{$col}; |
49 | } |
50 | |
51 | return $self->next::method($changes); |
52 | } |
53 | |
54 | sub discard_changes { |
55 | my($self) = shift; |
56 | |
57 | delete $self->{_column_data}{$_} for $self->is_changed; |
58 | delete $self->{_dirty_columns}; |
59 | delete $self->{_relationship_data}; |
60 | |
61 | return $self; |
62 | } |
63 | |
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64 | sub _ident_cond { |
65 | my ($class) = @_; |
66 | return join(" AND ", map { "$_ = ?" } $class->primary_columns); |
67 | } |
68 | |
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69 | sub _flesh { |
70 | my ($self, @groups) = @_; |
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71 | @groups = ('All') unless @groups; |
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72 | my %want; |
73 | $want{$_} = 1 for map { keys %{$self->_column_groups->{$_}} } @groups; |
74 | if (my @want = grep { !exists $self->{'_column_data'}{$_} } keys %want) { |
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75 | my $cursor = $self->result_source->storage->select( |
76 | $self->result_source->name, \@want, |
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77 | \$self->_ident_cond, { bind => [ $self->_ident_values ] }); |
78 | #my $sth = $self->storage->select($self->_table_name, \@want, |
79 | # $self->ident_condition); |
80 | # Not sure why the first one works and this doesn't :( |
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81 | my @val = $cursor->next; |
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82 | #warn "Flesh: ".join(', ', @want, '=>', @val); |
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83 | foreach my $w (@want) { |
84 | $self->{'_column_data'}{$w} = shift @val; |
85 | } |
86 | } |
87 | } |
88 | |
89 | 1; |