mjollnir_
51 lines
2.3 KiB
PHP
51 lines
2.3 KiB
PHP
<?php // $Id$
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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 VALUES ('choice', 'choose', 'choice', 'name');");
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modify_database("", "INSERT INTO prefix_log_display 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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return true;
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}
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?>
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