1 package SQL::Translator::Producer::YAML;
5 SQL::Translator::Producer::YAML - A YAML producer for SQL::Translator
11 my $translator = SQL::Translator->new(producer => 'YAML');
15 This module uses YAML to serialize a schema to a string so that it
16 can be saved to disk. Serializing a schema and then calling producers
17 on the stored can realize significant performance gains when parsing
23 use vars qw($VERSION);
28 # -------------------------------------------------------------------
30 my $translator = shift;
31 my $schema = $translator->schema;
36 map { ($_->name => view_table($_)) }
40 map { ($_->name => view_view($_)) }
44 map { ($_->name => view_trigger($_)) }
45 $schema->get_triggers,
48 map { ($_->name => view_procedure($_)) }
49 $schema->get_procedures,
53 add_drop_table => $translator->add_drop_table,
54 filename => $translator->filename,
55 no_comments => $translator->no_comments,
56 parser_args => $translator->parser_args,
57 producer_args => $translator->producer_args,
58 parser_type => $translator->parser_type,
59 producer_type => $translator->producer_type,
60 show_warnings => $translator->show_warnings,
61 trace => $translator->trace,
62 version => $translator->version,
64 keys %{$schema->extra} ? ('extra' => { $schema->extra } ) : (),
68 # -------------------------------------------------------------------
73 'name' => $table->name,
74 'order' => $table->order,
75 'options' => $table->options || [],
76 $table->comments ? ('comments' => $table->comments ) : (),
78 map { view_constraint($_) } $table->get_constraints
81 map { view_index($_) } $table->get_indices
84 map { ($_->name => view_field($_)) }
87 keys %{$table->extra} ? ('extra' => { $table->extra } ) : (),
91 # -------------------------------------------------------------------
93 my $constraint = shift;
96 'deferrable' => scalar $constraint->deferrable,
97 'expression' => scalar $constraint->expression,
98 'fields' => [ map { ref $_ ? $_->name : $_ } $constraint->field_names ],
99 'match_type' => scalar $constraint->match_type,
100 'name' => scalar $constraint->name,
101 'options' => scalar $constraint->options,
102 'on_delete' => scalar $constraint->on_delete,
103 'on_update' => scalar $constraint->on_update,
104 'reference_fields' => [ map { ref $_ ? $_->name : $_ } $constraint->reference_fields ],
105 'reference_table' => scalar $constraint->reference_table,
106 'type' => scalar $constraint->type,
107 keys %{$constraint->extra} ? ('extra' => { $constraint->extra } ) : (),
111 # -------------------------------------------------------------------
116 'order' => scalar $field->order,
117 'name' => scalar $field->name,
118 'data_type' => scalar $field->data_type,
119 'size' => [ $field->size ],
120 'default_value' => scalar $field->default_value,
121 'is_nullable' => scalar $field->is_nullable,
122 'is_primary_key' => scalar $field->is_primary_key,
123 'is_unique' => scalar $field->is_unique,
124 $field->is_auto_increment ? ('is_auto_increment' => 1) : (),
125 $field->comments ? ('comments' => $field->comments) : (),
126 keys %{$field->extra} ? ('extra' => { $field->extra } ) : (),
130 # -------------------------------------------------------------------
132 my $procedure = shift;
135 'order' => scalar $procedure->order,
136 'name' => scalar $procedure->name,
137 'sql' => scalar $procedure->sql,
138 'parameters' => scalar $procedure->parameters,
139 'owner' => scalar $procedure->owner,
140 'comments' => scalar $procedure->comments,
141 keys %{$procedure->extra} ? ('extra' => { $procedure->extra } ) : (),
145 # -------------------------------------------------------------------
150 'order' => scalar $trigger->order,
151 'name' => scalar $trigger->name,
152 'perform_action_when' => scalar $trigger->perform_action_when,
153 'database_events' => scalar $trigger->database_events,
154 'fields' => scalar $trigger->fields,
155 'on_table' => scalar $trigger->on_table,
156 'action' => scalar $trigger->action,
157 keys %{$trigger->extra} ? ('extra' => { $trigger->extra } ) : (),
161 # -------------------------------------------------------------------
166 'order' => scalar $view->order,
167 'name' => scalar $view->name,
168 'sql' => scalar $view->sql,
169 'fields' => scalar $view->fields,
170 keys %{$view->extra} ? ('extra' => { $view->extra } ) : (),
174 # -------------------------------------------------------------------
179 'name' => scalar $index->name,
180 'type' => scalar $index->type,
181 'fields' => scalar $index->fields,
182 'options' => scalar $index->options,
183 keys %{$index->extra} ? ('extra' => { $index->extra } ) : (),
189 # -------------------------------------------------------------------
193 SQL::Translator, YAML, http://www.yaml.org/.
197 darren chamberlain E<lt>darren@cpan.orgE<gt>,
198 Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.