Root/
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | <?php/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- *//*# ***** BEGIN LICENSE BLOCK *****# This file is part of Plume Framework, a simple PHP Application Framework.# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.## Plume Framework is free software; you can redistribute it and/or modify# it under the terms of the GNU Lesser General Public License as published by# the Free Software Foundation; either version 2.1 of the License, or# (at your option) any later version.## Plume Framework is distributed in the hope that it will be useful,# but WITHOUT ANY WARRANTY; without even the implied warranty of# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the# GNU Lesser General Public License for more details.## You should have received a copy of the GNU Lesser General Public License# along with this program; if not, write to the Free Software# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA## ***** END LICENSE BLOCK ***** *//** * Generator of the schemas corresponding to a given model. * * This class is for MySQL, you can create a class on the same * model for another database engine. */class Pluf_DB_Schema_MySQL{ /** * Mapping of the fields. */ public $mappings = array( 'varchar' => 'varchar(%s)', 'sequence' => 'mediumint(9) unsigned not null auto_increment', 'boolean' => 'bool', 'date' => 'date', 'datetime' => 'datetime', 'file' => 'varchar(150)', 'manytomany' => null, 'foreignkey' => 'mediumint(9) unsigned', 'text' => 'longtext', 'html' => 'longtext', 'time' => 'time', 'integer' => 'integer', 'email' => 'varchar(150)', 'password' => 'varchar(150)', 'float' => 'numeric(%s, %s)', 'blob' => 'blob', ); public $defaults = array( 'varchar' => "''", 'sequence' => null, 'boolean' => 1, 'date' => 0, 'datetime' => 0, 'file' => "''", 'manytomany' => null, 'foreignkey' => 0, 'text' => "''", 'html' => "''", 'time' => 0, 'integer' => 0, 'email' => "''", 'password' => "''", 'float' => 0.0, 'blob' => "''", ); private $con = null; function __construct($con) { $this->con = $con; } /** * Get the SQL to generate the tables of the given model. * * @param Object Model * @return array Array of SQL strings ready to execute. */ function getSqlCreate($model) { $tables = array(); $cols = $model->_a['cols']; $manytomany = array(); $sql = 'CREATE TABLE `'.$this->con->pfx.$model->_a['table'].'` ('; foreach ($cols as $col => $val) { $field = new $val['type'](); if ($field->type != 'manytomany') { $sql .= "\n".$this->con->qn($col).' '; $_tmp = $this->mappings[$field->type]; if ($field->type == 'varchar') { if (isset($val['size'])) { $_tmp = sprintf($this->mappings['varchar'], $val['size']); } else { $_tmp = sprintf($this->mappings['varchar'], '150'); } } if ($field->type == 'float') { if (!isset($val['max_digits'])) { $val['max_digits'] = 32; } if (!isset($val['decimal_places'])) { $val['decimal_places'] = 8; } $_tmp = sprintf($this->mappings['float'], $val['max_digits'], $val['decimal_places']); } $sql .= $_tmp; if (empty($val['is_null'])) { $sql .= ' NOT NULL'; } if (isset($val['default'])) { $sql .= ' default '; $sql .= $model->_toDb($val['default'], $col); } elseif ($field->type != 'sequence') { $sql .= ' default '.$this->defaults[$field->type]; } $sql .= ','; } else { $manytomany[] = $col; } } $sql .= "\n".'primary key (`id`)'; $sql .= "\n".') ENGINE=MyISAM'; $sql .=' DEFAULT CHARSET=utf8;'; $tables[$this->con->pfx.$model->_a['table']] = $sql; //Now for the many to many foreach ($manytomany as $many) { $omodel = new $cols[$many]['model'](); $hay = array(strtolower($model->_a['model']), strtolower($omodel->_a['model'])); sort($hay); $table = $hay[0].'_'.$hay[1].'_assoc'; $sql = 'CREATE TABLE `'.$this->con->pfx.$table.'` ('; $sql .= "\n".'`'.strtolower($model->_a['model']).'_id` '.$this->mappings['foreignkey'].' default 0,'; $sql .= "\n".'`'.strtolower($omodel->_a['model']).'_id` '.$this->mappings['foreignkey'].' default 0,'; $sql .= "\n".'primary key (`'.strtolower($model->_a['model']).'_id`, `'.strtolower($omodel->_a['model']).'_id`)'; $sql .= "\n".') ENGINE=MyISAM'; $sql .=' DEFAULT CHARSET=utf8;'; $tables[$this->con->pfx.$table] = $sql; } return $tables; } /** * Get the SQL to generate the indexes of the given model. * * @param Object Model * @return array Array of SQL strings ready to execute. */ function getSqlIndexes($model) { $index = array(); foreach ($model->_a['idx'] as $idx => $val) { if (!isset($val['col'])) { $val['col'] = $idx; } $index[$this->con->pfx.$model->_a['table'].'_'.$idx] = sprintf('CREATE INDEX `%s` ON `%s` (%s);', $idx, $this->con->pfx.$model->_a['table'], Pluf_DB_Schema::quoteColumn($val['col'], $this->con)); } foreach ($model->_a['cols'] as $col => $val) { $field = new $val['type'](); if ($field->type == 'foreignkey') { $index[$this->con->pfx.$model->_a['table'].'_'.$col.'_foreignkey'] = sprintf('CREATE INDEX `%s` ON `%s` (`%s`);', $col.'_foreignkey_idx', $this->con->pfx.$model->_a['table'], $col); } if (isset($val['unique']) and $val['unique'] == true) { $index[$this->con->pfx.$model->_a['table'].'_'.$col.'_unique'] = sprintf('CREATE UNIQUE INDEX `%s` ON `%s` (%s);', $col.'_unique_idx', $this->con->pfx.$model->_a['table'], Pluf_DB_Schema::quoteColumn($col, $this->con) ); } } return $index; } /** * Get the SQL to drop the tables corresponding to the model. * * @param Object Model * @return string SQL string ready to execute. */ function getSqlDelete($model) { $cols = $model->_a['cols']; $manytomany = array(); $sql = 'DROP TABLE IF EXISTS `'.$this->con->pfx.$model->_a['table'].'`'; foreach ($cols as $col => $val) { $field = new $val['type'](); if ($field->type == 'manytomany') { $manytomany[] = $col; } } //Now for the many to many foreach ($manytomany as $many) { $omodel = new $cols[$many]['model'](); $hay = array(strtolower($model->_a['model']), strtolower($omodel->_a['model'])); sort($hay); $table = $hay[0].'_'.$hay[1].'_assoc'; $sql .= ', `'.$this->con->pfx.$table.'`'; } return array($sql); }} |
