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MDL-26361 scorm - fix upgrade on change to not null

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Every time one column is changed from null to not null
we must ensure that there aren't nulls at all or the
DDL statement will fail, as was reported here. The
simplest way, just apply for the default when the column is null.
This commit is contained in:
Eloy Lafuente (stronk7)
2011-02-17 17:25:44 +01:00
parent 99faefb29b
commit 3b3e2cecf3
1 changed files with 16 additions and 11 deletions
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mod/scorm/db/upgrade.php
+16 -11
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@@ -478,22 +478,24 @@ function xmldb_scorm_upgrade($oldversion) {
/// scorm savepoint reached
upgrade_mod_savepoint(true, 2010092400, 'scorm');
}
if ($oldversion < 2011011400) {
// Fix scorm in the post table after upgrade from 1.9
$table = new xmldb_table('scorm');
$columns = $DB->get_columns('scorm');
// forcecompleted should be bigint(1) NOT NULL DEFAULT '1'
// Fixed in earlier upgrade code
// forcecompleted should be int(1) not null default 1
// Changing to NOT NULL, let's fill the current nulls with default 1
$DB->set_field('scorm', 'forcecompleted', 1, array('forcecompleted' => null));
$field = new xmldb_field('forcecompleted', XMLDB_TYPE_INTEGER, 1, null, XMLDB_NOTNULL, null, 1, 'maxattempt');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_precision($table, $field);
}
if (array_key_exists('forcenewattempt', $columns) && empty($columns['forcenewattempt']->not_null)) {
// forcenewattempt should be NOT NULL
// Fixed in earlier upgrade code
// forcenewattempt should be int(1) not null default 0
// Changing to NOT NULL, let's fill the current nulls with default 0
$DB->set_field('scorm', 'forcenewattempt', 0, array('forcenewattempt' => null));
$field = new xmldb_field('forcenewattempt', XMLDB_TYPE_INTEGER, 1, null, XMLDB_NOTNULL, null, 0, 'forcecompleted');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_notnull($table, $field);
@@ -501,8 +503,9 @@ function xmldb_scorm_upgrade($oldversion) {
}
if (array_key_exists('lastattemptlock', $columns) && empty($columns['lastattemptlock']->not_null)) {
// lastattemptlock should be NOT NULL
// Fixed in earlier upgrade code
// lastattemptlock should be int(1) not null default 0
// Changing to NOT NULL, let's fill the current nulls with default 0
$DB->set_field('scorm', 'lastattemptlock', 0, array('lastattemptlock' => null));
$field = new xmldb_field('lastattemptlock', XMLDB_TYPE_INTEGER, 1, null, XMLDB_NOTNULL, null, 0, 'forcenewattempt');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_notnull($table, $field);
@@ -510,8 +513,9 @@ function xmldb_scorm_upgrade($oldversion) {
}
if (array_key_exists('displayattemptstatus', $columns) && empty($columns['displayattemptstatus']->not_null)) {
// displayattemptstatus should be NOT NULL
// Fixed in earlier upgrade code
// displayattemptstatus should be int(1) not null default 1
// Changing to NOT NULL, let's fill the current nulls with default 1
$DB->set_field('scorm', 'displayattemptstatus', 1, array('displayattemptstatus' => null));
$field = new xmldb_field('displayattemptstatus', XMLDB_TYPE_INTEGER, 1, null, XMLDB_NOTNULL, null, 1, 'lastattemptlock');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_notnull($table, $field);
@@ -519,8 +523,9 @@ function xmldb_scorm_upgrade($oldversion) {
}
if (array_key_exists('displaycoursestructure', $columns) && empty($columns['displaycoursestructure']->not_null)) {
// displaycoursestructure should be NOT NULL
// Fixed in earlier upgrade code
// displaycoursestructure should be int(1) not null default 1
// Changing to NOT NULL, let's fill the current nulls with default 1
$DB->set_field('scorm', 'displaycoursestructure', 1, array('displaycoursestructure' => null));
$field = new xmldb_field('displaycoursestructure', XMLDB_TYPE_INTEGER, 1, null, XMLDB_NOTNULL, null, 1, 'displayattemptstatus');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_notnull($table, $field);