1 |
package WebPAC::Output::DBI; |
2 |
|
3 |
use warnings; |
4 |
use strict; |
5 |
|
6 |
use base qw/WebPAC::Common WebPAC::Output Class::Accessor/; |
7 |
__PACKAGE__->mk_accessors(qw( |
8 |
input |
9 |
|
10 |
dsn |
11 |
user |
12 |
passwd |
13 |
|
14 |
schema |
15 |
|
16 |
table |
17 |
)); |
18 |
|
19 |
use Data::Dump qw/dump/; |
20 |
use DBI; |
21 |
use File::Slurp; |
22 |
|
23 |
=head1 NAME |
24 |
|
25 |
WebPAC::Output::DBI - feed data into RDBMS via DBI |
26 |
|
27 |
=head1 FUNCTIONS |
28 |
|
29 |
=head2 init |
30 |
|
31 |
$out->init; |
32 |
|
33 |
=cut |
34 |
|
35 |
sub init { |
36 |
my $self = shift; |
37 |
my $log = $self->_get_logger; |
38 |
|
39 |
$log->info($self->dsn); |
40 |
|
41 |
$self->{_rows} = []; |
42 |
|
43 |
$self->{_dbh} = DBI->connect( $self->dsn, $self->user, $self->passwd, { RaiseError => 1 } ); |
44 |
|
45 |
eval { |
46 |
$self->{_dbh}->do( scalar read_file( $self->schema ) ) if -e $self->schema; |
47 |
}; |
48 |
|
49 |
return 1; |
50 |
} |
51 |
|
52 |
|
53 |
=head2 add |
54 |
|
55 |
Adds one entry to database. |
56 |
|
57 |
$out->add( 42, $ds ); |
58 |
|
59 |
=cut |
60 |
|
61 |
sub add { |
62 |
my $self = shift; |
63 |
|
64 |
my ( $id, $ds ) = @_; |
65 |
|
66 |
return unless defined $ds->{_rows}; |
67 |
|
68 |
my $log = $self->_get_logger; |
69 |
|
70 |
$id = $self->input . '-' . $id if $self->input; |
71 |
|
72 |
my @rows = @{ $ds->{_rows} }; |
73 |
foreach my $row ( @rows ) { |
74 |
|
75 |
my @cols = sort keys %$row; |
76 |
|
77 |
my $sql = join( '' |
78 |
, 'insert into ' |
79 |
, ( $self->table || $self->input || 'webpac2' ) |
80 |
. ' (' . join(',', @cols), ')' |
81 |
, ' values (' |
82 |
, join(',', map { '?' } 0 .. $#cols ) |
83 |
, ')' |
84 |
); |
85 |
warn "# SQL: $sql\n"; |
86 |
my $sth = $self->{_dbh}->prepare( $sql ); |
87 |
|
88 |
warn "# row ",dump( $row ); |
89 |
$sth->execute( map { $row->{$_} } @cols ); |
90 |
} |
91 |
|
92 |
push @{ $self->{_rows} }, $_ foreach @rows; |
93 |
|
94 |
return 1; |
95 |
} |
96 |
|
97 |
=head2 finish |
98 |
|
99 |
$out->finish; |
100 |
|
101 |
=cut |
102 |
|
103 |
sub finish { |
104 |
my $self = shift; |
105 |
|
106 |
my $log = $self->_get_logger(); |
107 |
|
108 |
$log->info('finish and dump data into database'); |
109 |
|
110 |
warn dump( $self->{_rows} ); |
111 |
|
112 |
return 1; |
113 |
} |
114 |
|
115 |
=head1 AUTHOR |
116 |
|
117 |
Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
118 |
|
119 |
=head1 COPYRIGHT & LICENSE |
120 |
|
121 |
Copyright 2009 Dobrica Pavlinusic, All Rights Reserved. |
122 |
|
123 |
This program is free software; you can redistribute it and/or modify it |
124 |
under the same terms as Perl itself. |
125 |
|
126 |
=cut |
127 |
|
128 |
1; # End of WebPAC::Output::CouchDB |