1 package SQL::Translator::Producer::YAML;
3 # -------------------------------------------------------------------
4 # $Id: YAML.pm,v 1.12 2005-06-15 18:00:31 kycl4rk Exp $
5 # -------------------------------------------------------------------
6 # Copyright (C) 2002-4 SQLFairy Authors
8 # This program is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU General Public License as
10 # published by the Free Software Foundation; version 2.
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 # -------------------------------------------------------------------
25 SQL::Translator::Producer::YAML - A YAML producer for SQL::Translator
31 my $translator = SQL::Translator->new(producer => 'YAML');
35 This module uses YAML to serialize a schema to a string so that it
36 can be saved to disk. Serializing a schema and then calling producers
37 on the stored can realize significant performance gains when parsing
43 use vars qw($VERSION);
44 $VERSION = sprintf "%d.%02d", q$Revision: 1.12 $ =~ /(\d+)\.(\d+)/;
48 # -------------------------------------------------------------------
50 my $translator = shift;
51 my $schema = $translator->schema;
56 map { ($_->name => view_table($_)) }
60 map { ($_->name => view_view($_)) }
64 map { ($_->name => view_trigger($_)) }
65 $schema->get_triggers,
68 map { ($_->name => view_procedure($_)) }
69 $schema->get_procedures,
73 add_drop_table => $translator->add_drop_table,
74 filename => $translator->filename,
75 no_comments => $translator->no_comments,
76 parser_args => $translator->parser_args,
77 producer_args => $translator->producer_args,
78 parser_type => $translator->parser_type,
79 producer_type => $translator->producer_type,
80 show_warnings => $translator->show_warnings,
81 trace => $translator->trace,
82 version => $translator->version,
87 # -------------------------------------------------------------------
92 'name' => $table->name,
93 'order' => $table->order,
94 'options' => $table->options || [],
95 'comments' => $table->comments || '',
97 map { view_constraint($_) } $table->get_constraints
100 map { view_index($_) } $table->get_indices
103 map { ($_->name => view_field($_)) }
109 # -------------------------------------------------------------------
110 sub view_constraint {
111 my $constraint = shift;
114 'deferrable' => scalar $constraint->deferrable,
115 'expression' => scalar $constraint->expression,
116 'fields' => scalar $constraint->field_names,
117 'match_type' => scalar $constraint->match_type,
118 'name' => scalar $constraint->name,
119 'options' => scalar $constraint->options,
120 'on_delete' => scalar $constraint->on_delete,
121 'on_update' => scalar $constraint->on_update,
122 'reference_fields' => scalar $constraint->reference_fields,
123 'reference_table' => scalar $constraint->reference_table,
124 'type' => scalar $constraint->type,
128 # -------------------------------------------------------------------
133 'order' => scalar $field->order,
134 'name' => scalar $field->name,
135 'data_type' => scalar $field->data_type,
136 'size' => [ $field->size ],
137 'default_value' => scalar $field->default_value,
138 'is_nullable' => scalar $field->is_nullable,
139 'is_primary_key' => scalar $field->is_primary_key,
140 'is_unique' => scalar $field->is_unique,
141 'comments' => $field->comments || '',
142 'extra' => { $field->extra },
146 # -------------------------------------------------------------------
148 my $procedure = shift;
151 'order' => scalar $procedure->order,
152 'name' => scalar $procedure->name,
153 'sql' => scalar $procedure->sql,
154 'parameters' => scalar $procedure->parameters,
155 'owner' => scalar $procedure->owner,
156 'comments' => scalar $procedure->comments,
160 # -------------------------------------------------------------------
165 'order' => scalar $trigger->order,
166 'name' => scalar $trigger->name,
167 'perform_action_when' => scalar $trigger->perform_action_when,
168 'database_event' => scalar $trigger->database_event,
169 'fields' => scalar $trigger->fields,
170 'on_table' => scalar $trigger->on_table,
171 'action' => scalar $trigger->action,
175 # -------------------------------------------------------------------
180 'order' => scalar $view->order,
181 'name' => scalar $view->name,
182 'sql' => scalar $view->sql,
183 'fields' => scalar $view->fields,
187 # -------------------------------------------------------------------
192 'name' => scalar $index->name,
193 'type' => scalar $index->type,
194 'fields' => scalar $index->fields,
195 'options' => scalar $index->options,
201 # -------------------------------------------------------------------
205 SQL::Translator, YAML, http://www.yaml.org/.
209 darren chamberlain E<lt>darren@cpan.orgE<gt>,
210 Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.