1 package SQL::Translator::Producer::YAML;
3 # -------------------------------------------------------------------
4 # Copyright (C) 2002-2009 SQLFairy Authors
6 # This program is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU General Public License as
8 # published by the Free Software Foundation; version 2.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 # -------------------------------------------------------------------
23 SQL::Translator::Producer::YAML - A YAML producer for SQL::Translator
29 my $translator = SQL::Translator->new(producer => 'YAML');
33 This module uses YAML to serialize a schema to a string so that it
34 can be saved to disk. Serializing a schema and then calling producers
35 on the stored can realize significant performance gains when parsing
41 use vars qw($VERSION);
47 my $translator = shift;
48 my $schema = $translator->schema;
53 map { ($_->name => view_table($_)) }
57 map { ($_->name => view_view($_)) }
61 map { ($_->name => view_trigger($_)) }
62 $schema->get_triggers,
65 map { ($_->name => view_procedure($_)) }
66 $schema->get_procedures,
70 add_drop_table => $translator->add_drop_table,
71 filename => $translator->filename,
72 no_comments => $translator->no_comments,
73 parser_args => $translator->parser_args,
74 producer_args => $translator->producer_args,
75 parser_type => $translator->parser_type,
76 producer_type => $translator->producer_type,
77 show_warnings => $translator->show_warnings,
78 trace => $translator->trace,
79 version => $translator->version,
81 keys %{$schema->extra} ? ('extra' => { $schema->extra } ) : (),
89 'name' => $table->name,
90 'order' => $table->order,
91 'options' => $table->options || [],
92 $table->comments ? ('comments' => $table->comments ) : (),
94 map { view_constraint($_) } $table->get_constraints
97 map { view_index($_) } $table->get_indices
100 map { ($_->name => view_field($_)) }
103 keys %{$table->extra} ? ('extra' => { $table->extra } ) : (),
107 sub view_constraint {
108 my $constraint = shift;
111 'deferrable' => scalar $constraint->deferrable,
112 'expression' => scalar $constraint->expression,
113 'fields' => [ map { ref $_ ? $_->name : $_ } $constraint->field_names ],
114 'match_type' => scalar $constraint->match_type,
115 'name' => scalar $constraint->name,
116 'options' => scalar $constraint->options,
117 'on_delete' => scalar $constraint->on_delete,
118 'on_update' => scalar $constraint->on_update,
119 'reference_fields' => [ map { ref $_ ? $_->name : $_ } $constraint->reference_fields ],
120 'reference_table' => scalar $constraint->reference_table,
121 'type' => scalar $constraint->type,
122 keys %{$constraint->extra} ? ('extra' => { $constraint->extra } ) : (),
130 'order' => scalar $field->order,
131 'name' => scalar $field->name,
132 'data_type' => scalar $field->data_type,
133 'size' => [ $field->size ],
134 'default_value' => scalar $field->default_value,
135 'is_nullable' => scalar $field->is_nullable,
136 'is_primary_key' => scalar $field->is_primary_key,
137 'is_unique' => scalar $field->is_unique,
138 $field->is_auto_increment ? ('is_auto_increment' => 1) : (),
139 $field->comments ? ('comments' => $field->comments) : (),
140 keys %{$field->extra} ? ('extra' => { $field->extra } ) : (),
145 my $procedure = shift;
148 'order' => scalar $procedure->order,
149 'name' => scalar $procedure->name,
150 'sql' => scalar $procedure->sql,
151 'parameters' => scalar $procedure->parameters,
152 'owner' => scalar $procedure->owner,
153 'comments' => scalar $procedure->comments,
154 keys %{$procedure->extra} ? ('extra' => { $procedure->extra } ) : (),
162 'order' => scalar $trigger->order,
163 'name' => scalar $trigger->name,
164 'perform_action_when' => scalar $trigger->perform_action_when,
165 'database_events' => scalar $trigger->database_events,
166 'fields' => scalar $trigger->fields,
167 'on_table' => scalar $trigger->on_table,
168 'action' => scalar $trigger->action,
169 keys %{$trigger->extra} ? ('extra' => { $trigger->extra } ) : (),
177 'order' => scalar $view->order,
178 'name' => scalar $view->name,
179 'sql' => scalar $view->sql,
180 'fields' => scalar $view->fields,
181 keys %{$view->extra} ? ('extra' => { $view->extra } ) : (),
189 'name' => scalar $index->name,
190 'type' => scalar $index->type,
191 'fields' => scalar $index->fields,
192 'options' => scalar $index->options,
193 keys %{$index->extra} ? ('extra' => { $index->extra } ) : (),
201 SQL::Translator, YAML, http://www.yaml.org/.
205 darren chamberlain E<lt>darren@cpan.orgE<gt>,
206 Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.