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117 lines
6.3 KiB
PHP
117 lines
6.3 KiB
PHP
<?php // $Id$
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// THIS FILE IS DEPRECATED! PLEASE DO NOT MAKE CHANGES TO IT!
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//
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// IT IS USED ONLY FOR UPGRADES FROM BEFORE MOODLE 1.7, ALL
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// LATER CHANGES SHOULD USE upgrade.php IN THIS DIRECTORY.
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function choice_upgrade($oldversion) {
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global $CFG;
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// This function does anything necessary to upgrade
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// older versions to match current functionality
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if ($oldversion < 2003010100) {
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execute_sql(" ALTER TABLE `choice` ADD `format` INTEGER DEFAULT '0' NOT NULL AFTER `text` ");
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execute_sql(" ALTER TABLE `choice` ADD `publish` INTEGER DEFAULT '0' NOT NULL AFTER `answer6` ");
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}
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if ($oldversion < 2004010100) {
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table_column("choice", "", "showunanswered", "integer", "4", "unsigned", "0", "", "publish");
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}
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if ($oldversion < 2004021700) {
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modify_database("", "INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('choice', 'choose', 'choice', 'name');");
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modify_database("", "INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('choice', 'choose again', 'choice', 'name');");
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}
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if ($oldversion < 2004070100) {
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table_column("choice", "", "timeclose", "integer", "10", "unsigned", "0", "", "showunanswered");
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table_column("choice", "", "timeopen", "integer", "10", "unsigned", "0", "", "showunanswered");
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}
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if ($oldversion < 2004070101) {
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table_column("choice", "", "release", "integer", "2", "unsigned", "0", "", "publish");
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table_column("choice", "", "allowupdate", "integer", "2", "unsigned", "0", "", "release");
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}
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if ($oldversion < 2004070102) {
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modify_database("", "UPDATE prefix_choice SET allowupdate = '1' WHERE publish = 0;");
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modify_database("", "UPDATE prefix_choice SET release = '1' WHERE publish > 0;");
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modify_database("", "UPDATE prefix_choice SET publish = publish - 1 WHERE publish > 0;");
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}
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if ($oldversion < 2004111200) { // drop first to avoid conflicts when upgrading from 1.4+
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execute_sql("DROP INDEX {$CFG->prefix}choice_course_idx;",false);
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execute_sql("DROP INDEX {$CFG->prefix}choice_answers_choice_idx;",false);
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execute_sql("DROP INDEX {$CFG->prefix}choice_answers_userid_idx;",false);
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modify_database('','CREATE INDEX prefix_choice_course_idx ON prefix_choice (course);');
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modify_database('','CREATE INDEX prefix_choice_answers_choice_idx ON prefix_choice_answers (choice);');
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modify_database('','CREATE INDEX prefix_choice_answers_userid_idx ON prefix_choice_answers (userid);');
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}
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if ($oldversion < 2005033000){
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if (execute_sql("CREATE TABLE {$CFG->prefix}choice_options (id SERIAL PRIMARY KEY, choiceid integer NOT NULL default '0', text TEXT, timemodified integer NOT NULL default '0');") ) {
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execute_sql("CREATE INDEX {$CFG->prefix}choice_options_choice_idx ON {$CFG->prefix}choice_options (choiceid);");
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table_column('choice_answers', 'choice', 'choiceid', 'integer', '10', 'unsigned', 0, 'not null');
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table_column('choice_answers', 'answer', 'optionid', 'integer', '10', 'unsigned', 0, 'not null');
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table_column('choice', '', 'display', 'integer', '4', 'unsigned', 0, 'not null', 'release');
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// move old answers from choice to choice_options
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if ($choices = get_records('choice')) {
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foreach ($choices as $choice) {
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for ($i=1; $i<=6; $i++) { // We used to have six columns
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$option = new stdClass;
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$option->text = addslashes($choice->{'answer'.$i});
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if ($option->text) { /// Don't bother with blank options
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$option->choiceid = $choice->id;
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$option->timemodified = $choice->timemodified;
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if ($option->id = insert_record('choice_options', $option)) {
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/// Update all the user answers to fit the new value
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execute_sql("UPDATE {$CFG->prefix}choice_answers
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SET optionid={$option->id}
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WHERE choiceid={$choice->id}
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AND optionid={$i}");
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}
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}
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}
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}
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}
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// drop old fields
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modify_database('','ALTER TABLE prefix_choice DROP answer1;');
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modify_database('','ALTER TABLE prefix_choice DROP answer2;');
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modify_database('','ALTER TABLE prefix_choice DROP answer3;');
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modify_database('','ALTER TABLE prefix_choice DROP answer4;');
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modify_database('','ALTER TABLE prefix_choice DROP answer5;');
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modify_database('','ALTER TABLE prefix_choice DROP answer6;');
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}
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}
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if ($oldversion < 2005041100) { // replace wiki-like with markdown
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include_once( "$CFG->dirroot/lib/wiki_to_markdown.php" );
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$wtm = new WikiToMarkdown();
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$wtm->update( 'choice','text','format' );
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}
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if ($oldversion < 2005041500) { //new limit feature
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table_column('choice', '', 'limitanswers', 'INTEGER', '2', 'unsigned', 0, 'not null', 'showunanswered');
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table_column('choice_options', '', 'maxanswers', 'INTEGER', '10', 'unsigned', 0, 'null', 'text');
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}
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if ($oldversion < 2005041501) { // Mass cleanup of bad upgrade scripts
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modify_database('','CREATE INDEX prefix_choice_answers_choice_idx ON prefix_choice_answers (choiceid)');
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notify('The above error can be ignored if the index already exists, its possible that it was cleaned up already before running this upgrade');
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modify_database('','ALTER TABLE prefix_choice ALTER display SET NOT NULL');
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modify_database('','ALTER TABLE prefix_choice ALTER limitanswers SET NOT NULL');
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modify_database('','ALTER TABLE prefix_choice_answers ALTER choiceid SET NOT NULL');
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modify_database('','ALTER TABLE prefix_choice_answers ALTER optionid SET NOT NULL');
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}
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if ($oldversion < 2006020900) { //rename release column to showanswers - Release is now reserved word in mySql
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table_column('choice', 'release', 'showresults', 'TINYINT', '2', 'unsigned', 0, 'not null');
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}
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////// DO NOT ADD NEW THINGS HERE!! USE upgrade.php and the lib/ddllib.php functions.
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return true;
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}
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?>
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