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1 | package DBIx::Class::Schema::Loader::DBI::MSSQL; |
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 | |
9 | our $VERSION = '0.04999_06'; |
10 | |
11 | =head1 NAME |
12 | |
13 | DBIx::Class::Schema::Loader::DBI::MSSQL - DBIx::Class::Schema::Loader::DBI MSSQL Implementation. |
14 | |
15 | =head1 SYNOPSIS |
16 | |
17 | package My::Schema; |
18 | use base qw/DBIx::Class::Schema::Loader/; |
19 | |
20 | __PACKAGE__->loader_options( debug => 1 ); |
21 | |
22 | 1; |
23 | |
24 | =head1 DESCRIPTION |
25 | |
26 | See L<DBIx::Class::Schema::Loader::Base>. |
27 | |
28 | =cut |
29 | |
30 | sub _setup { |
31 | my $self = shift; |
32 | |
33 | $self->next::method(@_); |
34 | $self->{db_schema} ||= 'dbo'; |
35 | } |
36 | |
37 | sub _table_pk_info { |
38 | my ($self, $table) = @_; |
39 | my $dbh = $self->schema->storage->dbh; |
40 | my $sth = $dbh->prepare(qq{sp_pkeys '$table'}); |
41 | $sth->execute; |
42 | |
43 | my @keydata; |
44 | |
45 | while (my $row = $sth->fetchrow_hashref) { |
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46 | push @keydata, lc $row->{COLUMN_NAME}; |
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47 | } |
48 | |
49 | return \@keydata; |
50 | } |
51 | |
52 | sub _table_fk_info { |
53 | my ($self, $table) = @_; |
54 | |
55 | my ($local_cols, $remote_cols, $remote_table, @rels); |
56 | my $dbh = $self->schema->storage->dbh; |
57 | my $sth = $dbh->prepare(qq{sp_fkeys \@FKTABLE_NAME = '$table'}); |
58 | $sth->execute; |
59 | |
60 | while (my $row = $sth->fetchrow_hashref) { |
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61 | my $fk = $row->{FK_NAME}; |
62 | push @{$local_cols->{$fk}}, lc $row->{FKCOLUMN_NAME}; |
63 | push @{$remote_cols->{$fk}}, lc $row->{PKCOLUMN_NAME}; |
64 | $remote_table->{$fk} = $row->{PKTABLE_NAME}; |
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65 | } |
66 | |
67 | foreach my $fk (keys %$remote_table) { |
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68 | push @rels, { |
69 | local_columns => \@{$local_cols->{$fk}}, |
70 | remote_columns => \@{$remote_cols->{$fk}}, |
71 | remote_table => $remote_table->{$fk}, |
72 | }; |
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73 | |
74 | } |
75 | return \@rels; |
76 | } |
77 | |
78 | sub _table_uniq_info { |
79 | my ($self, $table) = @_; |
80 | |
81 | my $dbh = $self->schema->storage->dbh; |
82 | my $sth = $dbh->prepare(qq{SELECT CCU.CONSTRAINT_NAME, CCU.COLUMN_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CCU |
83 | JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC ON (CCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME) |
84 | JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU ON (CCU.CONSTRAINT_NAME = KCU.CONSTRAINT_NAME AND CCU.COLUMN_NAME = KCU.COLUMN_NAME) |
85 | WHERE CCU.TABLE_NAME = '$table' AND CONSTRAINT_TYPE = 'UNIQUE' ORDER BY KCU.ORDINAL_POSITION}); |
86 | $sth->execute; |
87 | my $constraints; |
88 | while (my $row = $sth->fetchrow_hashref) { |
89 | my $name = lc $row->{CONSTRAINT_NAME}; |
90 | my $col = lc $row->{COLUMN_NAME}; |
91 | push @{$constraints->{$name}}, $col; |
92 | } |
93 | |
94 | my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints; |
95 | return \@uniqs; |
96 | } |
97 | |
98 | sub _extra_column_info { |
99 | my ($self, $info) = @_; |
100 | my %extra_info; |
101 | |
102 | my ($table, $column) = @$info{qw/TABLE_NAME COLUMN_NAME/}; |
103 | |
104 | my $dbh = $self->schema->storage->dbh; |
105 | my $sth = $dbh->prepare(qq{SELECT COLUMN_NAME |
106 | FROM INFORMATION_SCHEMA.COLUMNS |
107 | WHERE COLUMNPROPERTY(object_id('$table', 'U'), '$column', 'IsIdentity') = 1 AND TABLE_NAME = '$table' AND COLUMN_NAME = '$column' |
108 | }); |
109 | $sth->execute(); |
110 | |
111 | if ($sth->fetchrow_array) { |
112 | $extra_info{is_auto_increment} = 1; |
113 | } |
114 | |
115 | return \%extra_info; |
116 | } |
117 | |
118 | |
119 | =head1 SEE ALSO |
120 | |
121 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
122 | L<DBIx::Class::Schema::Loader::DBI> |
123 | |
124 | =head1 AUTHOR |
125 | |
126 | Justin Hunter C<justin.d.hunter@gmail.com> |
127 | |
128 | =cut |
129 | |
130 | 1; |