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1 | package # hide from pause/cpan for now, as there's a permissions |
2 | # issue and it's screwing the rest of the package |
3 | DBIx::Class::Schema::Loader::DBI::Oracle; |
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4 | |
5 | use strict; |
6 | use warnings; |
7 | use base 'DBIx::Class::Schema::Loader::DBI'; |
8 | use Carp::Clan qw/^DBIx::Class/; |
9 | use Class::C3; |
10 | |
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11 | our $VERSION = '0.04004'; |
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12 | |
13 | =head1 NAME |
14 | |
15 | DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI |
16 | Oracle Implementation. |
17 | |
18 | =head1 SYNOPSIS |
19 | |
20 | package My::Schema; |
21 | use base qw/DBIx::Class::Schema::Loader/; |
22 | |
23 | __PACKAGE__->loader_options( debug => 1 ); |
24 | |
25 | 1; |
26 | |
27 | =head1 DESCRIPTION |
28 | |
29 | See L<DBIx::Class::Schema::Loader::Base>. |
30 | |
31 | This module is considered experimental and not well tested yet. |
32 | |
33 | =cut |
34 | |
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35 | sub _setup { |
36 | my $self = shift; |
37 | |
38 | $self->next::method(@_); |
39 | |
40 | my $dbh = $self->schema->storage->dbh; |
41 | $self->{db_schema} ||= $dbh->selectrow_array('SELECT USER FROM DUAL', {}); |
42 | } |
43 | |
44 | |
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45 | sub _table_columns { |
46 | my ($self, $table) = @_; |
47 | |
48 | my $dbh = $self->schema->storage->dbh; |
49 | |
50 | my $sth = $dbh->prepare($self->schema->storage->sql_maker->select($table, undef, \'1 = 0')); |
51 | $sth->execute; |
52 | return \@{$sth->{NAME_lc}}; |
53 | } |
54 | |
55 | sub _tables_list { |
56 | my $self = shift; |
57 | |
58 | my $dbh = $self->schema->storage->dbh; |
59 | |
60 | my @tables; |
61 | for my $table ( $dbh->tables(undef, $self->db_schema, '%', 'TABLE,VIEW') ) { #catalog, schema, table, type |
62 | my $quoter = $dbh->get_info(29); |
63 | $table =~ s/$quoter//g; |
64 | |
65 | # remove "user." (schema) prefixes |
66 | $table =~ s/\w+\.//; |
67 | |
68 | next if $table eq 'PLAN_TABLE'; |
69 | $table = lc $table; |
70 | push @tables, $1 |
71 | if $table =~ /\A(\w+)\z/; |
72 | } |
73 | return @tables; |
74 | } |
75 | |
76 | sub _table_uniq_info { |
77 | my ($self, $table) = @_; |
78 | |
79 | my @uniqs; |
80 | my $dbh = $self->schema->storage->dbh; |
81 | |
82 | my $sth = $dbh->prepare_cached( |
83 | qq{SELECT constraint_name, ucc.column_name FROM user_constraints JOIN user_cons_columns ucc USING (constraint_name) WHERE ucc.table_name=? AND constraint_type='U'} |
84 | ,{}, 1); |
85 | |
86 | $sth->execute(uc $table); |
87 | my %constr_names; |
88 | while(my $constr = $sth->fetchrow_arrayref) { |
89 | my $constr_name = $constr->[0]; |
90 | my $constr_def = $constr->[1]; |
91 | $constr_name =~ s/\Q$self->{_quoter}\E//; |
92 | $constr_def =~ s/\Q$self->{_quoter}\E//; |
93 | push @{$constr_names{$constr_name}}, lc $constr_def; |
94 | } |
95 | map { |
96 | push(@uniqs, [ lc $_ => $constr_names{$_} ]); |
97 | } keys %constr_names; |
98 | |
99 | return \@uniqs; |
100 | } |
101 | |
102 | sub _table_pk_info { |
103 | my ( $self, $table ) = @_; |
104 | return $self->SUPER::_table_pk_info(uc $table); |
105 | } |
106 | |
107 | sub _table_fk_info { |
108 | my ($self, $table) = @_; |
109 | |
110 | my $dbh = $self->schema->storage->dbh; |
111 | my $sth = $dbh->foreign_key_info( '', '', '', '', |
112 | $self->db_schema, uc $table ); |
113 | return [] if !$sth; |
114 | |
115 | my %rels; |
116 | |
117 | my $i = 1; # for unnamed rels, which hopefully have only 1 column ... |
118 | while(my $raw_rel = $sth->fetchrow_arrayref) { |
119 | my $uk_tbl = lc $raw_rel->[2]; |
120 | my $uk_col = lc $raw_rel->[3]; |
121 | my $fk_col = lc $raw_rel->[7]; |
122 | my $relid = ($raw_rel->[11] || ( "__dcsld__" . $i++ )); |
123 | $uk_tbl =~ s/\Q$self->{_quoter}\E//g; |
124 | $uk_col =~ s/\Q$self->{_quoter}\E//g; |
125 | $fk_col =~ s/\Q$self->{_quoter}\E//g; |
126 | $relid =~ s/\Q$self->{_quoter}\E//g; |
127 | $rels{$relid}->{tbl} = $uk_tbl; |
128 | $rels{$relid}->{cols}->{$uk_col} = $fk_col; |
129 | } |
130 | |
131 | my @rels; |
132 | foreach my $relid (keys %rels) { |
133 | push(@rels, { |
134 | remote_columns => [ keys %{$rels{$relid}->{cols}} ], |
135 | local_columns => [ values %{$rels{$relid}->{cols}} ], |
136 | remote_table => $rels{$relid}->{tbl}, |
137 | }); |
138 | } |
139 | |
140 | return \@rels; |
141 | } |
142 | |
143 | =head1 SEE ALSO |
144 | |
145 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
146 | L<DBIx::Class::Schema::Loader::DBI> |
147 | |
148 | =head1 AUTHOR |
149 | |
150 | TSUNODA Kazuya C<drk@drk7.jp> |
151 | |
152 | =cut |
153 | |
154 | 1; |