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1 | package SQL::Translator::Parser::YAML; |
2 | |
3 | # ------------------------------------------------------------------- |
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4 | # $Id: YAML.pm,v 1.5 2004-02-09 22:23:40 kycl4rk Exp $ |
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5 | # ------------------------------------------------------------------- |
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6 | # Copyright (C) 2002-4 SQLFairy Authors |
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7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
22 | |
23 | use strict; |
24 | use vars qw($VERSION); |
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25 | $VERSION = sprintf "%d.%02d", q$Revision: 1.5 $ =~ /(\d+)\.(\d+)/; |
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26 | |
27 | use SQL::Translator::Schema; |
28 | use SQL::Translator::Utils qw(header_comment); |
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29 | use Data::Dumper; |
30 | use YAML qw(Load); |
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31 | |
32 | sub parse { |
33 | my ($translator, $data) = @_; |
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34 | $data = Load($data); |
35 | $data = $data->{'schema'}; |
36 | |
37 | warn Dumper( $data ) if $translator->debug; |
38 | |
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39 | my $schema = $translator->schema; |
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40 | |
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41 | # |
42 | # Tables |
43 | # |
44 | my @tables = |
45 | map { $data->{'tables'}{ $_->[1] } } |
46 | sort { $a->[0] <=> $b->[0] } |
47 | map { [ $data->{'tables'}{ $_ }{'order'}, $_ ] } |
48 | keys %{ $data->{'tables'} } |
49 | ; |
50 | |
51 | for my $tdata ( @tables ) { |
52 | my $table = $schema->add_table( |
53 | name => $tdata->{'name'}, |
54 | ) or die $schema->error; |
55 | |
56 | my @fields = |
57 | map { $tdata->{'fields'}{ $_->[1] } } |
58 | sort { $a->[0] <=> $b->[0] } |
59 | map { [ $tdata->{'fields'}{ $_ }{'order'}, $_ ] } |
60 | keys %{ $tdata->{'fields'} } |
61 | ; |
62 | |
63 | for my $fdata ( @fields ) { |
64 | $table->add_field( %$fdata ) or die $table->error; |
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65 | $table->primary_key( $fdata->{'name'} ) |
66 | if $fdata->{'is_primary_key'}; |
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67 | } |
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68 | |
69 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
70 | $table->add_index( %$idata ) or die $table->error; |
71 | } |
72 | |
73 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
74 | $table->add_constraint( %$cdata ) or die $table->error; |
75 | } |
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76 | } |
77 | |
78 | # |
79 | # Views |
80 | # |
81 | my @views = |
82 | map { $data->{'views'}{ $_->[1] } } |
83 | sort { $a->[0] <=> $b->[0] } |
84 | map { [ $data->{'views'}{ $_ }{'order'}, $_ ] } |
85 | keys %{ $data->{'views'} } |
86 | ; |
87 | |
88 | for my $vdata ( @views ) { |
89 | $schema->add_view( %$vdata ) or die $schema->error; |
90 | } |
91 | |
92 | # |
93 | # Triggers |
94 | # |
95 | my @triggers = |
96 | map { $data->{'triggers'}{ $_->[1] } } |
97 | sort { $a->[0] <=> $b->[0] } |
98 | map { [ $data->{'triggers'}{ $_ }{'order'}, $_ ] } |
99 | keys %{ $data->{'triggers'} } |
100 | ; |
101 | |
102 | for my $tdata ( @triggers ) { |
103 | $schema->add_trigger( %$tdata ) or die $schema->error; |
104 | } |
105 | |
106 | # |
107 | # Procedures |
108 | # |
109 | my @procedures = |
110 | map { $data->{'procedures'}{ $_->[1] } } |
111 | sort { $a->[0] <=> $b->[0] } |
112 | map { [ $data->{'procedures'}{ $_ }{'order'}, $_ ] } |
113 | keys %{ $data->{'procedures'} } |
114 | ; |
115 | |
116 | for my $tdata ( @procedures ) { |
117 | $schema->add_procedure( %$tdata ) or die $schema->error; |
118 | } |
119 | |
120 | return 1; |
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121 | } |
122 | |
123 | 1; |
124 | |
125 | __END__ |
126 | |
127 | =head1 NAME |
128 | |
129 | SQL::Translator::Parser::YAML - Parse a YAML representation of a schema |
130 | |
131 | =head1 SYNOPSIS |
132 | |
133 | use SQL::Translator; |
134 | |
135 | my $translator = SQL::Translator->new(parser => "YAML"); |
136 | |
137 | =head1 DESCRIPTION |
138 | |
139 | C<SQL::Translator::Parser::YAML> parses a schema serialized with YAML. |
140 | |
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141 | =head1 AUTHORS |
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142 | |
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143 | Darren Chamberlain E<lt>darren@cpan.orgE<gt>, |
144 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>. |