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1 | package DBIx::Class::Schema::Loader::DBI::Oracle; |
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2 | |
3 | use strict; |
4 | use warnings; |
5 | use base 'DBIx::Class::Schema::Loader::DBI'; |
6 | use Carp::Clan qw/^DBIx::Class/; |
7 | use Class::C3; |
8 | |
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9 | our $VERSION = '0.04999_14'; |
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10 | |
11 | =head1 NAME |
12 | |
13 | DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI |
14 | Oracle Implementation. |
15 | |
16 | =head1 SYNOPSIS |
17 | |
18 | package My::Schema; |
19 | use base qw/DBIx::Class::Schema::Loader/; |
20 | |
21 | __PACKAGE__->loader_options( debug => 1 ); |
22 | |
23 | 1; |
24 | |
25 | =head1 DESCRIPTION |
26 | |
27 | See L<DBIx::Class::Schema::Loader::Base>. |
28 | |
29 | This module is considered experimental and not well tested yet. |
30 | |
31 | =cut |
32 | |
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33 | sub _setup { |
34 | my $self = shift; |
35 | |
36 | $self->next::method(@_); |
37 | |
38 | my $dbh = $self->schema->storage->dbh; |
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39 | |
40 | my ($current_schema) = $dbh->selectrow_array('SELECT USER FROM DUAL', {}); |
41 | |
42 | $self->{db_schema} ||= $current_schema; |
43 | |
44 | if (lc($self->db_schema) ne lc($current_schema)) { |
45 | $dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema); |
46 | } |
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47 | } |
48 | |
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49 | sub _table_as_sql { |
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50 | my ($self, $table) = @_; |
51 | |
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52 | return $self->_quote_table_name($table); |
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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 | } |
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73 | return $self->_filter_tables(@tables); |
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74 | } |
75 | |
76 | sub _table_uniq_info { |
77 | my ($self, $table) = @_; |
78 | |
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79 | my $dbh = $self->schema->storage->dbh; |
80 | |
81 | my $sth = $dbh->prepare_cached( |
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82 | q{ |
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83 | SELECT constraint_name, acc.column_name |
84 | FROM all_constraints JOIN all_cons_columns acc USING (constraint_name) |
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85 | WHERE acc.table_name=? and acc.owner = ? AND constraint_type='U' |
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86 | ORDER BY acc.position |
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87 | }, |
88 | {}, 1); |
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89 | |
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90 | $sth->execute(uc $table,$self->{db_schema} ); |
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91 | my %constr_names; |
92 | while(my $constr = $sth->fetchrow_arrayref) { |
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93 | my $constr_name = lc $constr->[0]; |
94 | my $constr_def = lc $constr->[1]; |
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95 | $constr_name =~ s/\Q$self->{_quoter}\E//; |
96 | $constr_def =~ s/\Q$self->{_quoter}\E//; |
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97 | push @{$constr_names{$constr_name}}, $constr_def; |
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98 | } |
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99 | |
100 | my @uniqs = map { [ $_ => $constr_names{$_} ] } keys %constr_names; |
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101 | return \@uniqs; |
102 | } |
103 | |
104 | sub _table_pk_info { |
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105 | my ($self, $table) = @_; |
106 | return $self->next::method(uc $table); |
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107 | } |
108 | |
109 | sub _table_fk_info { |
110 | my ($self, $table) = @_; |
111 | |
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112 | my $rels = $self->next::method(uc $table); |
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113 | |
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114 | foreach my $rel (@$rels) { |
115 | $rel->{remote_table} = lc $rel->{remote_table}; |
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116 | } |
117 | |
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118 | return $rels; |
119 | } |
120 | |
121 | sub _columns_info_for { |
122 | my ($self, $table) = @_; |
123 | return $self->next::method(uc $table); |
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124 | } |
125 | |
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126 | sub _extra_column_info { |
127 | my ($self, $info) = @_; |
128 | my %extra_info; |
129 | |
130 | my ($table, $column) = @$info{qw/TABLE_NAME COLUMN_NAME/}; |
131 | |
132 | my $dbh = $self->schema->storage->dbh; |
133 | my $sth = $dbh->prepare_cached( |
134 | q{ |
135 | SELECT COUNT(*) |
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136 | FROM all_triggers ut JOIN all_trigger_cols atc USING (trigger_name) |
137 | WHERE atc.table_name = ? AND atc.column_name = ? |
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138 | AND column_usage LIKE '%NEW%' AND column_usage LIKE '%OUT%' |
139 | AND trigger_type = 'BEFORE EACH ROW' AND triggering_event LIKE '%INSERT%' |
140 | }, |
141 | {}, 1); |
142 | |
143 | $sth->execute($table, $column); |
144 | if ($sth->fetchrow_array) { |
145 | $extra_info{is_auto_increment} = 1; |
146 | } |
147 | |
148 | return \%extra_info; |
149 | } |
150 | |
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151 | =head1 SEE ALSO |
152 | |
153 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
154 | L<DBIx::Class::Schema::Loader::DBI> |
155 | |
156 | =head1 AUTHOR |
157 | |
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158 | See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. |
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159 | |
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160 | =head1 LICENSE |
161 | |
162 | This library is free software; you can redistribute it and/or modify it under |
163 | the same terms as Perl itself. |
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164 | |
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165 | =cut |
166 | |
167 | 1; |