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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 'DBIx::Class::Schema::Loader::DBI::Sybase::Common'; |
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6 | use Carp::Clan qw/^DBIx::Class/; |
7 | use Class::C3; |
8 | |
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9 | our $VERSION = '0.05003'; |
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10 | |
11 | =head1 NAME |
12 | |
13 | DBIx::Class::Schema::Loader::DBI::MSSQL - DBIx::Class::Schema::Loader::DBI MSSQL Implementation. |
14 | |
15 | =head1 SYNOPSIS |
16 | |
17 | package My::Schema; |
18 | use base qw/DBIx::Class::Schema::Loader/; |
19 | |
20 | __PACKAGE__->loader_options( debug => 1 ); |
21 | |
22 | 1; |
23 | |
24 | =head1 DESCRIPTION |
25 | |
26 | See L<DBIx::Class::Schema::Loader::Base>. |
27 | |
28 | =cut |
29 | |
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30 | sub _table_pk_info { |
31 | my ($self, $table) = @_; |
32 | my $dbh = $self->schema->storage->dbh; |
33 | my $sth = $dbh->prepare(qq{sp_pkeys '$table'}); |
34 | $sth->execute; |
35 | |
36 | my @keydata; |
37 | |
38 | while (my $row = $sth->fetchrow_hashref) { |
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39 | push @keydata, lc $row->{COLUMN_NAME}; |
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40 | } |
41 | |
42 | return \@keydata; |
43 | } |
44 | |
45 | sub _table_fk_info { |
46 | my ($self, $table) = @_; |
47 | |
48 | my ($local_cols, $remote_cols, $remote_table, @rels); |
49 | my $dbh = $self->schema->storage->dbh; |
50 | my $sth = $dbh->prepare(qq{sp_fkeys \@FKTABLE_NAME = '$table'}); |
51 | $sth->execute; |
52 | |
53 | while (my $row = $sth->fetchrow_hashref) { |
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54 | my $fk = $row->{FK_NAME}; |
55 | push @{$local_cols->{$fk}}, lc $row->{FKCOLUMN_NAME}; |
56 | push @{$remote_cols->{$fk}}, lc $row->{PKCOLUMN_NAME}; |
57 | $remote_table->{$fk} = $row->{PKTABLE_NAME}; |
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58 | } |
59 | |
60 | foreach my $fk (keys %$remote_table) { |
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61 | push @rels, { |
62 | local_columns => \@{$local_cols->{$fk}}, |
63 | remote_columns => \@{$remote_cols->{$fk}}, |
64 | remote_table => $remote_table->{$fk}, |
65 | }; |
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66 | |
67 | } |
68 | return \@rels; |
69 | } |
70 | |
71 | sub _table_uniq_info { |
72 | my ($self, $table) = @_; |
73 | |
74 | my $dbh = $self->schema->storage->dbh; |
75 | my $sth = $dbh->prepare(qq{SELECT CCU.CONSTRAINT_NAME, CCU.COLUMN_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CCU |
76 | JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC ON (CCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME) |
77 | JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU ON (CCU.CONSTRAINT_NAME = KCU.CONSTRAINT_NAME AND CCU.COLUMN_NAME = KCU.COLUMN_NAME) |
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78 | WHERE CCU.TABLE_NAME = @{[ $dbh->quote($table) ]} AND CONSTRAINT_TYPE = 'UNIQUE' ORDER BY KCU.ORDINAL_POSITION}); |
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79 | $sth->execute; |
80 | my $constraints; |
81 | while (my $row = $sth->fetchrow_hashref) { |
82 | my $name = lc $row->{CONSTRAINT_NAME}; |
83 | my $col = lc $row->{COLUMN_NAME}; |
84 | push @{$constraints->{$name}}, $col; |
85 | } |
86 | |
87 | my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints; |
88 | return \@uniqs; |
89 | } |
90 | |
91 | sub _extra_column_info { |
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92 | my ($self, $table, $column, $info, $dbi_info) = @_; |
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93 | my %extra_info; |
94 | |
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95 | my $dbh = $self->schema->storage->dbh; |
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96 | my $sth = $dbh->prepare(qq{ |
97 | SELECT COLUMN_NAME |
98 | FROM INFORMATION_SCHEMA.COLUMNS |
99 | WHERE COLUMNPROPERTY(object_id(@{[ $dbh->quote($table) ]}, 'U'), '$column', 'IsIdentity') = 1 |
100 | AND TABLE_NAME = @{[ $dbh->quote($table) ]} AND COLUMN_NAME = @{[ $dbh->quote($column) ]} |
101 | }); |
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102 | $sth->execute(); |
103 | |
104 | if ($sth->fetchrow_array) { |
105 | $extra_info{is_auto_increment} = 1; |
106 | } |
107 | |
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108 | # get default |
109 | $sth = $dbh->prepare(qq{ |
110 | SELECT COLUMN_DEFAULT |
111 | FROM INFORMATION_SCHEMA.COLUMNS |
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112 | WHERE TABLE_NAME = @{[ $dbh->quote($table) ]} AND COLUMN_NAME = @{[ $dbh->quote($column) ]} |
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113 | }); |
114 | $sth->execute; |
115 | my ($default) = $sth->fetchrow_array; |
116 | |
117 | if (defined $default) { |
118 | # strip parens |
119 | $default =~ s/^\( (.*) \)\z/$1/x; |
120 | |
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121 | # Literal strings are in ''s, numbers are in ()s (in some versions of |
122 | # MSSQL, in others they are unquoted) everything else is a function. |
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123 | $extra_info{default_value} = |
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124 | $default =~ /^['(] (.*) [)']\z/x ? $1 : |
125 | $default =~ /^\d/ ? $default : \$default; |
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126 | } |
127 | |
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128 | return \%extra_info; |
129 | } |
130 | |
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131 | =head1 SEE ALSO |
132 | |
133 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
134 | L<DBIx::Class::Schema::Loader::DBI> |
135 | |
136 | =head1 AUTHOR |
137 | |
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138 | See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. |
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139 | |
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140 | =head1 LICENSE |
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141 | |
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142 | This library is free software; you can redistribute it and/or modify it under |
143 | the same terms as Perl itself. |
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144 | |
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145 | =cut |
146 | |
147 | 1; |