/[Frey]/trunk/lib/Frey/DBI/Sponge.pm
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Annotation of /trunk/lib/Frey/DBI/Sponge.pm

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Revision 936 - (hide annotations)
Tue Jan 6 11:56:28 2009 UTC (15 years, 4 months ago) by dpavlin
File size: 1568 byte(s)
sponge improvements
1 dpavlin 935 package Frey::DBI::Sponge;
2     use Moose;
3    
4     extends 'Frey';
5    
6 dpavlin 936 use lib 'lib';
7     use Frey::Types;
8 dpavlin 935
9     has sponge => (
10     is => 'rw',
11     isa => 'Sponge',
12     required => 1,
13 dpavlin 936 default => sub { {} },
14 dpavlin 935 );
15    
16     has 'dsn' => (
17     is => 'ro',
18     isa => 'dsn',
19     default => 'dbi:Pg:dbname=frey',
20     required => 1,
21     );
22    
23     sub to_database_as_markup {
24     my ($self) = @_;
25    
26     my $table = $self->sponge->{table} || die "no table in sponge ", $self->dump( $self->sponge );
27    
28     warn "# dsn: ", $self->dsn;
29     my $dbh = DBI->connect( $self->dsn, '', '', { RaiseError => 1 } ) || die $DBI::errstr;
30     $dbh->do( qq{ set client_encoding='utf-8' } );
31    
32     my @columns = @{ $self->sponge->{NAME} };
33    
34    
35     my $create_sql = qq{
36     create table $table (
37     } . join( ",\n", map { s/%//; "$_ text" } @columns ) . qq{
38     );
39     };
40     eval { $dbh->do( $create_sql ); };
41     if ( $@ ) {
42     die "$create_sql\n$@" if $@ !~ m{$table.*already exists};
43     warn "INFO: using existing table $table because of $@";
44     } else {
45     warn "INFO: created $table using\n$create_sql";
46     }
47    
48     my $sth = $dbh->prepare( qq{
49     insert into $table values (
50     } . join( ",", map { '?' } @columns ) . qq{
51     );
52     });
53    
54     my $sponge_rows = $#{ $self->sponge->{rows} };
55     warn "# convert ", $sponge_rows + 1 ," rows from spunge into $table in ", $self->dsn;
56    
57     foreach my $row_nr ( 0 .. $sponge_rows ) {
58     $sth->execute( @{ $self->sponge->{rows}->[$row_nr] } );
59     }
60    
61     $sponge_rows++;
62    
63     my $html =
64     ( $sponge_rows
65     ? qq|Inserted <b>$sponge_rows</b> rows|
66     : qq|No rows inserted into $table|
67     )
68     . qq| to table <tt>$table</tt> at <tt>| . $self->dsn . qq|</tt>|
69     ;
70    
71     return $html;
72     }
73    
74     1;

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