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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This file contains all the constants and variables used
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* by the XMLDB interface
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*
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* @package core_xmldb
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* @copyright 1999 onwards Martin Dougiamas http://dougiamas.com
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* 2001-3001 Eloy Lafuente (stronk7) http://contiento.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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// ==== First, some constants to be used by actions ====
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/** Default flags for class */
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define('ACTION_NONE', 0);
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/** The invoke function will return HTML */
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define('ACTION_GENERATE_HTML', 1);
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/** The invoke function will return HTML */
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define('ACTION_GENERATE_XML', 2);
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/** The class can have subaction */
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define('ACTION_HAVE_SUBACTIONS', 1);
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// ==== Now the allowed DB Field Types ====
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/** Wrong DB Type */
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define ('XMLDB_TYPE_INCORRECT', 0);
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/** Integer */
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define ('XMLDB_TYPE_INTEGER', 1);
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/** Decimal number */
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define ('XMLDB_TYPE_NUMBER', 2);
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/** Floating Point number */
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define ('XMLDB_TYPE_FLOAT', 3);
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/** String */
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define ('XMLDB_TYPE_CHAR', 4);
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/** Text */
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define ('XMLDB_TYPE_TEXT', 5);
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/** Binary */
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define ('XMLDB_TYPE_BINARY', 6);
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/** Datetime */
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define ('XMLDB_TYPE_DATETIME', 7);
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/** Timestamp */
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define ('XMLDB_TYPE_TIMESTAMP', 8);
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// ==== Now the allowed DB Keys ====
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/** Wrong DB Key */
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define ('XMLDB_KEY_INCORRECT', 0);
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/** Primary Keys */
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define ('XMLDB_KEY_PRIMARY', 1);
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/** Unique Keys */
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define ('XMLDB_KEY_UNIQUE', 2);
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/** Foreign Keys */
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define ('XMLDB_KEY_FOREIGN', 3);
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/** Check Constraints - NOT USED! */
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define ('XMLDB_KEY_CHECK', 4);
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/** Foreign Key + Unique Key */
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define ('XMLDB_KEY_FOREIGN_UNIQUE',5);
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// ==== Some other useful Constants ====
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/** If the field is going to be unsigned @deprecated since 2.3 */
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define ('XMLDB_UNSIGNED', true);
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/** If the field is going to be not null */
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define ('XMLDB_NOTNULL', true);
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/** If the field is going to be a sequence */
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define ('XMLDB_SEQUENCE', true);
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/** If the index is going to be unique */
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define ('XMLDB_INDEX_UNIQUE', true);
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/** If the index is NOT going to be unique */
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define ('XMLDB_INDEX_NOTUNIQUE',false);
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// ==== Some strings used widely ====
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/** New line in xmldb generated files */
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define ('XMLDB_LINEFEED', "\n");
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/** Upgrade start in upgrade.php */
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define ('XMLDB_PHP_HEADER', ' if ($oldversion < XXXXXXXXXX) {' . XMLDB_LINEFEED);
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/** Upgrade end in upgrade.php */
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define ('XMLDB_PHP_FOOTER', ' }' . XMLDB_LINEFEED);
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