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1 | package DBIx::Class::Schema::Loader::DBI::MSSQL; |
2 | |
3 | use strict; |
4 | use warnings; |
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5 | use base qw/ |
6 | DBIx::Class::Schema::Loader::DBI |
7 | DBIx::Class::Schema::Loader::DBI::Sybase::Common |
8 | /; |
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9 | use Carp::Clan qw/^DBIx::Class/; |
10 | use Class::C3; |
11 | |
12 | our $VERSION = '0.04999_06'; |
13 | |
14 | =head1 NAME |
15 | |
16 | DBIx::Class::Schema::Loader::DBI::MSSQL - DBIx::Class::Schema::Loader::DBI MSSQL 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 | =cut |
32 | |
33 | sub _setup { |
34 | my $self = shift; |
35 | |
36 | $self->next::method(@_); |
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37 | $self->{db_schema} ||= $self->_build_db_schema; |
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38 | $self->_set_quote_char_and_name_sep; |
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39 | } |
40 | |
41 | sub _table_pk_info { |
42 | my ($self, $table) = @_; |
43 | my $dbh = $self->schema->storage->dbh; |
44 | my $sth = $dbh->prepare(qq{sp_pkeys '$table'}); |
45 | $sth->execute; |
46 | |
47 | my @keydata; |
48 | |
49 | while (my $row = $sth->fetchrow_hashref) { |
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50 | push @keydata, lc $row->{COLUMN_NAME}; |
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51 | } |
52 | |
53 | return \@keydata; |
54 | } |
55 | |
56 | sub _table_fk_info { |
57 | my ($self, $table) = @_; |
58 | |
59 | my ($local_cols, $remote_cols, $remote_table, @rels); |
60 | my $dbh = $self->schema->storage->dbh; |
61 | my $sth = $dbh->prepare(qq{sp_fkeys \@FKTABLE_NAME = '$table'}); |
62 | $sth->execute; |
63 | |
64 | while (my $row = $sth->fetchrow_hashref) { |
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65 | my $fk = $row->{FK_NAME}; |
66 | push @{$local_cols->{$fk}}, lc $row->{FKCOLUMN_NAME}; |
67 | push @{$remote_cols->{$fk}}, lc $row->{PKCOLUMN_NAME}; |
68 | $remote_table->{$fk} = $row->{PKTABLE_NAME}; |
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69 | } |
70 | |
71 | foreach my $fk (keys %$remote_table) { |
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72 | push @rels, { |
73 | local_columns => \@{$local_cols->{$fk}}, |
74 | remote_columns => \@{$remote_cols->{$fk}}, |
75 | remote_table => $remote_table->{$fk}, |
76 | }; |
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77 | |
78 | } |
79 | return \@rels; |
80 | } |
81 | |
82 | sub _table_uniq_info { |
83 | my ($self, $table) = @_; |
84 | |
85 | my $dbh = $self->schema->storage->dbh; |
86 | my $sth = $dbh->prepare(qq{SELECT CCU.CONSTRAINT_NAME, CCU.COLUMN_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CCU |
87 | JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC ON (CCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME) |
88 | JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU ON (CCU.CONSTRAINT_NAME = KCU.CONSTRAINT_NAME AND CCU.COLUMN_NAME = KCU.COLUMN_NAME) |
89 | WHERE CCU.TABLE_NAME = '$table' AND CONSTRAINT_TYPE = 'UNIQUE' ORDER BY KCU.ORDINAL_POSITION}); |
90 | $sth->execute; |
91 | my $constraints; |
92 | while (my $row = $sth->fetchrow_hashref) { |
93 | my $name = lc $row->{CONSTRAINT_NAME}; |
94 | my $col = lc $row->{COLUMN_NAME}; |
95 | push @{$constraints->{$name}}, $col; |
96 | } |
97 | |
98 | my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints; |
99 | return \@uniqs; |
100 | } |
101 | |
102 | sub _extra_column_info { |
103 | my ($self, $info) = @_; |
104 | my %extra_info; |
105 | |
106 | my ($table, $column) = @$info{qw/TABLE_NAME COLUMN_NAME/}; |
107 | |
108 | my $dbh = $self->schema->storage->dbh; |
109 | my $sth = $dbh->prepare(qq{SELECT COLUMN_NAME |
110 | FROM INFORMATION_SCHEMA.COLUMNS |
111 | WHERE COLUMNPROPERTY(object_id('$table', 'U'), '$column', 'IsIdentity') = 1 AND TABLE_NAME = '$table' AND COLUMN_NAME = '$column' |
112 | }); |
113 | $sth->execute(); |
114 | |
115 | if ($sth->fetchrow_array) { |
116 | $extra_info{is_auto_increment} = 1; |
117 | } |
118 | |
119 | return \%extra_info; |
120 | } |
121 | |
122 | |
123 | =head1 SEE ALSO |
124 | |
125 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
126 | L<DBIx::Class::Schema::Loader::DBI> |
127 | |
128 | =head1 AUTHOR |
129 | |
130 | Justin Hunter C<justin.d.hunter@gmail.com> |
131 | |
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132 | =head1 CONTRIBUTORS |
133 | |
134 | Rafael Kitover <rkitover@cpan.org> |
135 | |
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136 | =cut |
137 | |
138 | 1; |