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1 | package SQL::Translator::Parser::YAML; |
2 | |
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3 | use strict; |
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4 | use warnings; |
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5 | use vars qw($VERSION); |
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6 | $VERSION = '1.59'; |
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7 | |
8 | use SQL::Translator::Schema; |
9 | use SQL::Translator::Utils qw(header_comment); |
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10 | use Data::Dumper; |
11 | use YAML qw(Load); |
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12 | |
13 | sub parse { |
14 | my ($translator, $data) = @_; |
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15 | $data = Load($data); |
16 | $data = $data->{'schema'}; |
17 | |
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18 | warn "YAML data:",Dumper( $data ) if $translator->debug; |
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19 | |
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20 | my $schema = $translator->schema; |
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21 | |
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22 | # |
23 | # Tables |
24 | # |
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25 | my @tables = |
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26 | map { $data->{'tables'}{ $_->[1] } } |
27 | sort { $a->[0] <=> $b->[0] } |
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28 | map { [ $data->{'tables'}{ $_ }{'order'} || 0, $_ ] } |
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29 | keys %{ $data->{'tables'} } |
30 | ; |
31 | |
32 | for my $tdata ( @tables ) { |
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33 | |
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34 | my $table = $schema->add_table( |
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35 | map { |
36 | $tdata->{$_} ? ($_ => $tdata->{$_}) : () |
37 | } (qw/name extra options/) |
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38 | ) or die $schema->error; |
39 | |
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40 | my @fields = |
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41 | map { $tdata->{'fields'}{ $_->[1] } } |
42 | sort { $a->[0] <=> $b->[0] } |
43 | map { [ $tdata->{'fields'}{ $_ }{'order'}, $_ ] } |
44 | keys %{ $tdata->{'fields'} } |
45 | ; |
46 | |
47 | for my $fdata ( @fields ) { |
48 | $table->add_field( %$fdata ) or die $table->error; |
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49 | $table->primary_key( $fdata->{'name'} ) |
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50 | if $fdata->{'is_primary_key'}; |
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51 | } |
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52 | |
53 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
54 | $table->add_index( %$idata ) or die $table->error; |
55 | } |
56 | |
57 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
58 | $table->add_constraint( %$cdata ) or die $table->error; |
59 | } |
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60 | } |
61 | |
62 | # |
63 | # Views |
64 | # |
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65 | my @views = |
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66 | map { $data->{'views'}{ $_->[1] } } |
67 | sort { $a->[0] <=> $b->[0] } |
68 | map { [ $data->{'views'}{ $_ }{'order'}, $_ ] } |
69 | keys %{ $data->{'views'} } |
70 | ; |
71 | |
72 | for my $vdata ( @views ) { |
73 | $schema->add_view( %$vdata ) or die $schema->error; |
74 | } |
75 | |
76 | # |
77 | # Triggers |
78 | # |
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79 | my @triggers = |
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80 | map { $data->{'triggers'}{ $_->[1] } } |
81 | sort { $a->[0] <=> $b->[0] } |
82 | map { [ $data->{'triggers'}{ $_ }{'order'}, $_ ] } |
83 | keys %{ $data->{'triggers'} } |
84 | ; |
85 | |
86 | for my $tdata ( @triggers ) { |
87 | $schema->add_trigger( %$tdata ) or die $schema->error; |
88 | } |
89 | |
90 | # |
91 | # Procedures |
92 | # |
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93 | my @procedures = |
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94 | map { $data->{'procedures'}{ $_->[1] } } |
95 | sort { $a->[0] <=> $b->[0] } |
96 | map { [ $data->{'procedures'}{ $_ }{'order'}, $_ ] } |
97 | keys %{ $data->{'procedures'} } |
98 | ; |
99 | |
100 | for my $tdata ( @procedures ) { |
101 | $schema->add_procedure( %$tdata ) or die $schema->error; |
102 | } |
103 | |
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104 | if ( my $tr_data = $data->{'translator'} ) { |
105 | $translator->add_drop_table( $tr_data->{'add_drop_table'} ); |
106 | $translator->filename( $tr_data->{'filename'} ); |
107 | $translator->no_comments( $tr_data->{'no_comments'} ); |
108 | $translator->parser_args( $tr_data->{'parser_args'} ); |
109 | $translator->producer_args( $tr_data->{'producer_args'} ); |
110 | $translator->parser_type( $tr_data->{'parser_type'} ); |
111 | $translator->producer_type( $tr_data->{'producer_type'} ); |
112 | $translator->show_warnings( $tr_data->{'show_warnings'} ); |
113 | $translator->trace( $tr_data->{'trace'} ); |
114 | } |
115 | |
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116 | return 1; |
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117 | } |
118 | |
119 | 1; |
120 | |
121 | __END__ |
122 | |
123 | =head1 NAME |
124 | |
125 | SQL::Translator::Parser::YAML - Parse a YAML representation of a schema |
126 | |
127 | =head1 SYNOPSIS |
128 | |
129 | use SQL::Translator; |
130 | |
131 | my $translator = SQL::Translator->new(parser => "YAML"); |
132 | |
133 | =head1 DESCRIPTION |
134 | |
135 | C<SQL::Translator::Parser::YAML> parses a schema serialized with YAML. |
136 | |
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137 | =head1 AUTHORS |
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138 | |
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139 | Darren Chamberlain E<lt>darren@cpan.orgE<gt>, |
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140 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>. |