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mod-quiz MDL-25791 Fixed database discrepancies between a fresh install and an upgraded site within the Quiz module

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This commit is contained in:
Sam Hemelryk 2011-02-01 12:54:16 +08:00
parent 8cdc85ac62
commit 16da818528
1 changed files with 127 additions and 8 deletions
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135
mod/quiz/db/upgrade.php
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@ -116,50 +116,56 @@ function xmldb_quiz_upgrade($oldversion) {
/// Changing the type of all the columns that store grades to be NUMBER(10, 5) or similar.
if ($oldversion < 2008081501) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz} SET sumgrades=0 WHERE sumgrades IS NULL');
$table = new xmldb_table('quiz');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, 'questions');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'questions');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081501, 'quiz');
}
if ($oldversion < 2008081502) {
$table = new xmldb_table('quiz');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, 'sumgrades');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'sumgrades');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081502, 'quiz');
}
if ($oldversion < 2008081503) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz_attempts} SET sumgrades=0 WHERE sumgrades IS NULL');
$table = new xmldb_table('quiz_attempts');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, 'attempt');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'attempt');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081503, 'quiz');
}
if ($oldversion < 2008081504) {
$table = new xmldb_table('quiz_feedback');
$field = new xmldb_field('mingrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, 'feedbacktext');
$field = new xmldb_field('mingrade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'feedbacktext');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081504, 'quiz');
}
if ($oldversion < 2008081505) {
$table = new xmldb_table('quiz_feedback');
$field = new xmldb_field('maxgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, 'mingrade');
$field = new xmldb_field('maxgrade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'mingrade');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081505, 'quiz');
}
if ($oldversion < 2008081506) {
$table = new xmldb_table('quiz_grades');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, 'userid');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'userid');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081506, 'quiz');
}
if ($oldversion < 2008081507) {
$table = new xmldb_table('quiz_question_instances');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '12, 7', null, null, null, null, 'question');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '12, 7', null, XMLDB_NOTNULL, null, '0', 'question');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081507, 'quiz');
}
@ -251,7 +257,7 @@ function xmldb_quiz_upgrade($oldversion) {
if ($oldversion < 2009031000) {
/// Add new questiondecimaldigits setting, separate form the overall decimaldigits one.
$table = new xmldb_table('quiz');
$field = new xmldb_field('questiondecimalpoints', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, '2', 'decimalpoints');
$field = new xmldb_field('questiondecimalpoints', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, '-2', 'decimalpoints');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
@ -374,6 +380,119 @@ function xmldb_quiz_upgrade($oldversion) {
upgrade_mod_savepoint(true, 2010102000, 'quiz');
}
if ($oldversion < 2010122300) {
// Fix quiz in the post table after upgrade from 1.9
$table = new xmldb_table('quiz');
$columns = $DB->get_columns('quiz');
// quiz.questiondecimalpoints should be int (4) not null default -2
if (array_key_exists('questiondecimalpoints', $columns) && $columns['questiondecimalpoints']->default_value != '-2') {
$field = new xmldb_field('questiondecimalpoints', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, -2, 'decimalpoints');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
// quiz.sumgrades should be decimal(10,5) not null default 0
if (array_key_exists('sumgrades', $columns) && empty($columns['sumgrades']->not_null)) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz} SET sumgrades=0 WHERE sumgrades IS NULL');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'questions');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
// quiz.grade should be decimal(10,5) not null default 0
if (array_key_exists('grade', $columns) && empty($columns['grade']->not_null)) {
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'sumgrades');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122300, 'quiz');
}
if ($oldversion < 2010122301) {
// Fix quiz_attempts in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_attempts');
$columns = $DB->get_columns('quiz_attempts');
// quiz_attempts.sumgrades should be decimal(10,5) not null default 0
if (array_key_exists('sumgrades', $columns) && empty($columns['sumgrades']->not_null)) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz_attempts} SET sumgrades=0 WHERE sumgrades IS NULL');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'attempt');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122301, 'quiz');
}
if ($oldversion < 2010122302) {
// Fix quiz_feedback in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_feedback');
$columns = $DB->get_columns('quiz_feedback');
// quiz_feedback.mingrade should be decimal(10,5) not null default 0
if (array_key_exists('mingrade', $columns) && empty($columns['mingrade']->not_null)) {
$field = new xmldb_field('mingrade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'feedbacktextformat');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
// quiz_feedback.maxgrade should be decimal(10,5) not null default 0
if (array_key_exists('maxgrade', $columns) && empty($columns['maxgrade']->not_null)) {
// Fixed in earlier upgrade code
$field = new xmldb_field('maxgrade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'mingrade');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122302, 'quiz');
}
if ($oldversion < 2010122303) {
// Fix quiz_grades in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_grades');
$columns = $DB->get_columns('quiz_grades');
// quiz_grades.grade should be decimal(10,5) not null default 0
if (array_key_exists('grade', $columns) && empty($columns['grade']->not_null)) {
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, '0', 'userid');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122303, 'quiz');
}
if ($oldversion < 2010122304) {
// Fix quiz_question_instances in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_question_instances');
$columns = $DB->get_columns('quiz_question_instances');
// quiz_question_instances.grade should be decimal(12,7) not null default 0
if (array_key_exists('grade', $columns) && empty($columns['grade']->not_null)) {
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '12, 7', null, XMLDB_NOTNULL, null, '0', 'question');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122304, 'quiz');
}
return true;
}