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MDL-62897 Questions: Find duplicate top cats per context and fix them

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This commit is contained in:
Shamim Rezaie
2018-07-25 12:26:08 +10:00
parent 94fe904ed6
commit 3f0a60e33d
2 changed files with 26 additions and 1 deletions
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lib/db/upgrade.php
+25
View File
@@ -2268,5 +2268,30 @@ function xmldb_main_upgrade($oldversion) {
upgrade_main_savepoint(true, 2018062800.03);
}
if ($oldversion < 2018072500.00) {
// Find all duplicate top level categories per context.
$duplicates = $DB->get_records_sql("SELECT qc1.*
FROM {question_categories} qc1
JOIN {question_categories} qc2
ON qc1.contextid = qc2.contextid AND qc1.id <> qc2.id
WHERE qc1.parent = 0 AND qc2.parent = 0
ORDER BY qc1.contextid, qc1.id");
// For each context, let the first top category to remain as top category and make the rest its children.
$currentcontextid = 0;
$chosentopid = 0;
foreach ($duplicates as $duplicate) {
if ($currentcontextid != $duplicate->contextid) {
$currentcontextid = $duplicate->contextid;
$chosentopid = $duplicate->id;
} else {
$DB->set_field('question_categories', 'parent', $chosentopid, ['id' => $duplicate->id]);
}
}
// Main savepoint reached.
upgrade_main_savepoint(true, 2018072500.00);
}
return true;
}
version.php
+1 -1
View File
@@ -29,7 +29,7 @@
defined('MOODLE_INTERNAL') || die();
$version = 2018072000.00; // YYYYMMDD = weekly release date of this DEV branch.
$version = 2018072500.00; // YYYYMMDD = weekly release date of this DEV branch.
// RR = release increments - 00 in DEV branches.
// .XX = incremental changes.