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1 | use MooseX::Declare; |
2 | class SQL::Translator { |
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3 | use TryCatch; |
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4 | use MooseX::Types::Moose qw(Bool HashRef Int Str Undef); |
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5 | use MooseX::Aliases; |
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6 | use SQL::Translator::Types qw(DBIHandle Parser Producer Schema); |
7 | use SQL::Translator::Object::Schema; |
8 | |
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9 | our $VERSION = '0.001'; |
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10 | $VERSION = eval $VERSION; |
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11 | |
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12 | has 'parser' => ( |
13 | isa => Str, |
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14 | is => 'rw', |
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15 | alias => 'from', |
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16 | ); |
17 | |
18 | has 'producer' => ( |
19 | isa => Str, |
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20 | is => 'rw', |
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21 | alias => 'to', |
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22 | ); |
23 | |
24 | has '_parser' => ( |
25 | isa => Parser, |
26 | is => 'rw', |
27 | lazy_build => 1, |
28 | handles => [ qw(parse) ], |
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29 | predicate => 'has_parser', |
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30 | ); |
31 | |
32 | has '_producer' => ( |
33 | isa => Producer, |
34 | is => 'rw', |
35 | lazy_build => 1, |
36 | handles => [ qw(produce) ], |
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37 | predicate => 'has_producer', |
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38 | ); |
39 | |
40 | has 'dbh' => ( |
41 | isa => DBIHandle, |
42 | is => 'ro', |
43 | predicate => 'has_dbh', |
44 | ); |
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45 | |
46 | has 'schema' => ( |
47 | isa => Schema, |
48 | is => 'rw', |
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49 | lazy => 1, |
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50 | clearer => '_clear_schema', |
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51 | default => sub { SQL::Translator::Object::Schema->new }, |
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52 | ); |
53 | |
54 | has 'parser_args' => ( |
55 | isa => HashRef, |
56 | is => 'rw', |
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57 | predicate => 'has_parser_args', |
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58 | ); |
59 | |
60 | has 'producer_args' => ( |
61 | isa => HashRef, |
62 | is => 'rw', |
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63 | predicate => 'has_producer_args', |
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64 | ); |
65 | |
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66 | has 'version' => (isa => Str, is => 'ro', default => $VERSION); |
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67 | has 'add_drop_table' => (isa => Bool, is => 'rw', default => 0); |
68 | has 'no_comments' => (isa => Bool, is => 'rw', default => 0); |
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69 | has 'show_warnings' => (isa => Bool, is => 'rw', default => 0); |
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70 | has 'trace' => (isa => Bool, is => 'rw', default => 0); |
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71 | has 'quote_table_names' => (isa => Bool, is => 'rw', default => 0); |
72 | has 'quote_field_names' => (isa => Bool, is => 'rw', default => 0); |
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73 | has 'filename' => (isa => Str, is => 'rw'); |
74 | |
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75 | has '_producer_mapping' => ( |
76 | isa => HashRef, |
77 | is => 'ro', |
78 | default => sub { { MySQL => 'SQL::MySQL', SQLite => 'SQL::SQLite', PostgreSQL => 'SQL::PostgreSQL', XML => 'XML', YAML => 'YAML' } } |
79 | ); |
80 | |
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81 | method _build__parser { |
82 | my $class = 'SQL::Translator::Parser'; |
83 | |
84 | Class::MOP::load_class($class); |
85 | |
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86 | my $parser; |
87 | if ($self->has_dbh) { |
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88 | $parser = $class->new({ translator => $self, dbh => $self->dbh }); |
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89 | } else { |
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90 | $parser = $class->new({ translator => $self, type => $self->parser || '' }); |
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91 | } |
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92 | |
93 | return $parser; |
94 | } |
95 | |
96 | method _build__producer { |
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97 | my $mapping = $self->_producer_mapping; |
98 | |
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99 | my $class = 'SQL::Translator::Producer'; |
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100 | my $role = $class . '::' . $mapping->{$self->producer}; |
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101 | |
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102 | Class::MOP::load_class($class); |
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103 | Class::MOP::load_class($role); |
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104 | |
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105 | my $producer = $class->new({ translator => $self }); |
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106 | $role->meta->apply($producer); |
107 | |
108 | return $producer; |
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109 | } |
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110 | |
111 | method translate(:$data, :$producer?, :$producer_args?, :$parser?, :$parser_args?) { |
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112 | my $return; |
113 | |
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114 | $self->_clear_schema if defined $parser; |
115 | |
116 | $parser ||= $self->parser unless $self->has_parser; |
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117 | if (defined $parser) { |
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118 | $self->_clear_parser; |
119 | $self->parser($parser); |
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120 | $self->parse($data); |
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121 | $return = $self->schema; |
122 | } |
123 | |
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124 | $producer ||= $self->producer unless $self->has_producer; |
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125 | if (defined $producer) { |
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126 | $self->_clear_producer; |
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127 | $self->producer($producer); |
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128 | $return = $self->produce; |
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129 | } |
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130 | |
131 | return $return; |
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132 | } |
133 | |
134 | method parser_type { return $self->parser } |
135 | method producer_type { return $self->producer } |
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136 | |
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137 | method engine_version(Int|Str|Undef $v, Str $target = 'perl') { |
138 | return undef unless $v; |
139 | |
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140 | my @vers; |
141 | |
142 | # X.Y.Z style |
143 | if ( $v =~ / ^ (\d+) \. (\d{1,3}) (?: \. (\d{1,3}) )? $ /x ) { |
144 | push @vers, $1, $2, $3; |
145 | } |
146 | |
147 | # XYYZZ (mysql) style |
148 | elsif ( $v =~ / ^ (\d) (\d{2}) (\d{2}) $ /x ) { |
149 | push @vers, $1, $2, $3; |
150 | } |
151 | |
152 | # XX.YYYZZZ (perl) style or simply X |
153 | elsif ( $v =~ / ^ (\d+) (?: \. (\d{3}) (\d{3}) )? $ /x ) { |
154 | push @vers, $1, $2, $3; |
155 | } |
156 | else { |
157 | #how do I croak sanely here? |
158 | die "Unparseable MySQL version '$v'"; |
159 | } |
160 | |
161 | if ($target eq 'perl') { |
162 | return sprintf ('%d.%03d%03d', map { $_ || 0 } (@vers) ); |
163 | } |
164 | elsif ($target eq 'mysql') { |
165 | return sprintf ('%d%02d%02d', map { $_ || 0 } (@vers) ); |
166 | } |
167 | else { |
168 | #how do I croak sanely here? |
169 | die "Unknown version target '$target'"; |
170 | } |
171 | } |
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172 | } |