1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
package SQL::Translator::Parser::JSON;
use strict;
use warnings;
our $VERSION = '1.00';
use SQL::Translator::Schema;
use SQL::Translator::Utils qw(header_comment);
use Data::Dumper;
use JSON;
sub parse {
my ($translator, $data) = @_;
$data = from_json($data);
$data = $data->{'schema'};
warn "JSON data:", Dumper($data) if $translator->debug;
my $schema = $translator->schema;
#
# Tables
#
my @tables =
map { $data->{'tables'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'tables'}{ $_ }{'order'} || 0, $_ ] }
keys %{ $data->{'tables'} }
;
for my $tdata ( @tables ) {
my $table = $schema->add_table(
map {
$tdata->{$_} ? ($_ => $tdata->{$_}) : ()
} (qw/name extra options/)
) or die $schema->error;
my @fields =
map { $tdata->{'fields'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $tdata->{'fields'}{ $_ }{'order'}, $_ ] }
keys %{ $tdata->{'fields'} }
;
for my $fdata ( @fields ) {
$table->add_field( %$fdata ) or die $table->error;
$table->primary_key( $fdata->{'name'} )
if $fdata->{'is_primary_key'};
}
for my $idata ( @{ $tdata->{'indices'} || [] } ) {
$table->add_index( %$idata ) or die $table->error;
}
for my $cdata ( @{ $tdata->{'constraints'} || [] } ) {
$table->add_constraint( %$cdata ) or die $table->error;
}
}
#
# Views
#
my @views =
map { $data->{'views'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'views'}{ $_ }{'order'}, $_ ] }
keys %{ $data->{'views'} }
;
for my $vdata ( @views ) {
$schema->add_view( %$vdata ) or die $schema->error;
}
#
# Triggers
#
my @triggers =
map { $data->{'triggers'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'triggers'}{ $_ }{'order'}, $_ ] }
keys %{ $data->{'triggers'} }
;
for my $tdata ( @triggers ) {
$schema->add_trigger( %$tdata ) or die $schema->error;
}
#
# Procedures
#
my @procedures =
map { $data->{'procedures'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'procedures'}{ $_ }{'order'}, $_ ] }
keys %{ $data->{'procedures'} }
;
for my $tdata ( @procedures ) {
$schema->add_procedure( %$tdata ) or die $schema->error;
}
if ( my $tr_data = $data->{'translator'} ) {
$translator->add_drop_table( $tr_data->{'add_drop_table'} );
$translator->filename( $tr_data->{'filename'} );
$translator->no_comments( $tr_data->{'no_comments'} );
$translator->parser_args( $tr_data->{'parser_args'} );
$translator->producer_args( $tr_data->{'producer_args'} );
$translator->parser_type( $tr_data->{'parser_type'} );
$translator->producer_type( $tr_data->{'producer_type'} );
$translator->show_warnings( $tr_data->{'show_warnings'} );
$translator->trace( $tr_data->{'trace'} );
}
return 1;
}
1;
__END__
=head1 NAME
SQL::Translator::Parser::JSON - Parse a JSON representation of a schema
=head1 SYNOPSIS
use SQL::Translator;
my $translator = SQL::Translator->new(parser => "JSON");
=head1 DESCRIPTION
C<SQL::Translator::Parser::JSON> parses a schema serialized with JSON.
=head1 AUTHORS
Darren Chamberlain E<lt>darren@cpan.orgE<gt>,
Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
Jon Jensen E<lt>jonj@cpan.orgE<gt>.
|
