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1 | package SQL::Translator::Parser::YAML; |
2 | |
3 | # ------------------------------------------------------------------- |
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4 | # $Id: YAML.pm,v 1.8 2006-03-10 14:55:19 grommit 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: 1.8 $ =~ /(\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 | |
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37 | warn "YAML data:",Dumper( $data ) if $translator->debug; |
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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] } |
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47 | map { [ $data->{'tables'}{ $_ }{'order'} || 0, $_ ] } |
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48 | keys %{ $data->{'tables'} } |
49 | ; |
50 | |
51 | for my $tdata ( @tables ) { |
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52 | |
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53 | my $table = $schema->add_table( |
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54 | map { |
55 | $tdata->{$_} ? ($_ => $tdata->{$_}) : () |
56 | } (qw/name extra options/) |
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57 | ) or die $schema->error; |
58 | |
59 | my @fields = |
60 | map { $tdata->{'fields'}{ $_->[1] } } |
61 | sort { $a->[0] <=> $b->[0] } |
62 | map { [ $tdata->{'fields'}{ $_ }{'order'}, $_ ] } |
63 | keys %{ $tdata->{'fields'} } |
64 | ; |
65 | |
66 | for my $fdata ( @fields ) { |
67 | $table->add_field( %$fdata ) or die $table->error; |
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68 | $table->primary_key( $fdata->{'name'} ) |
69 | if $fdata->{'is_primary_key'}; |
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70 | } |
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71 | |
72 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
73 | $table->add_index( %$idata ) or die $table->error; |
74 | } |
75 | |
76 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
77 | $table->add_constraint( %$cdata ) or die $table->error; |
78 | } |
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79 | } |
80 | |
81 | # |
82 | # Views |
83 | # |
84 | my @views = |
85 | map { $data->{'views'}{ $_->[1] } } |
86 | sort { $a->[0] <=> $b->[0] } |
87 | map { [ $data->{'views'}{ $_ }{'order'}, $_ ] } |
88 | keys %{ $data->{'views'} } |
89 | ; |
90 | |
91 | for my $vdata ( @views ) { |
92 | $schema->add_view( %$vdata ) or die $schema->error; |
93 | } |
94 | |
95 | # |
96 | # Triggers |
97 | # |
98 | my @triggers = |
99 | map { $data->{'triggers'}{ $_->[1] } } |
100 | sort { $a->[0] <=> $b->[0] } |
101 | map { [ $data->{'triggers'}{ $_ }{'order'}, $_ ] } |
102 | keys %{ $data->{'triggers'} } |
103 | ; |
104 | |
105 | for my $tdata ( @triggers ) { |
106 | $schema->add_trigger( %$tdata ) or die $schema->error; |
107 | } |
108 | |
109 | # |
110 | # Procedures |
111 | # |
112 | my @procedures = |
113 | map { $data->{'procedures'}{ $_->[1] } } |
114 | sort { $a->[0] <=> $b->[0] } |
115 | map { [ $data->{'procedures'}{ $_ }{'order'}, $_ ] } |
116 | keys %{ $data->{'procedures'} } |
117 | ; |
118 | |
119 | for my $tdata ( @procedures ) { |
120 | $schema->add_procedure( %$tdata ) or die $schema->error; |
121 | } |
122 | |
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123 | if ( my $tr_data = $data->{'translator'} ) { |
124 | $translator->add_drop_table( $tr_data->{'add_drop_table'} ); |
125 | $translator->filename( $tr_data->{'filename'} ); |
126 | $translator->no_comments( $tr_data->{'no_comments'} ); |
127 | $translator->parser_args( $tr_data->{'parser_args'} ); |
128 | $translator->producer_args( $tr_data->{'producer_args'} ); |
129 | $translator->parser_type( $tr_data->{'parser_type'} ); |
130 | $translator->producer_type( $tr_data->{'producer_type'} ); |
131 | $translator->show_warnings( $tr_data->{'show_warnings'} ); |
132 | $translator->trace( $tr_data->{'trace'} ); |
133 | } |
134 | |
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135 | return 1; |
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136 | } |
137 | |
138 | 1; |
139 | |
140 | __END__ |
141 | |
142 | =head1 NAME |
143 | |
144 | SQL::Translator::Parser::YAML - Parse a YAML representation of a schema |
145 | |
146 | =head1 SYNOPSIS |
147 | |
148 | use SQL::Translator; |
149 | |
150 | my $translator = SQL::Translator->new(parser => "YAML"); |
151 | |
152 | =head1 DESCRIPTION |
153 | |
154 | C<SQL::Translator::Parser::YAML> parses a schema serialized with YAML. |
155 | |
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156 | =head1 AUTHORS |
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157 | |
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158 | Darren Chamberlain E<lt>darren@cpan.orgE<gt>, |
159 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>. |