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Use the new octetLength function to filter lines to migrate

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Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>
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Côme Chilliet 2022-03-29 17:01:41 +02:00 committed by Côme Chilliet (Rebase PR Action)
parent 6c7ba01dfe
commit d07208bd2c
1 changed files with 4 additions and 8 deletions
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12
apps/user_ldap/lib/Migration/Version1141Date20220323143801.php
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@ -48,19 +48,15 @@ class Version1141Date20220323143801 extends SimpleMigrationStep {
*/
public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
foreach (['ldap_user_mapping', 'ldap_group_mapping'] as $tableName) {
$dnsTooLong = [];
$lengthExpr = $this->dbc->getDatabasePlatform()->getLengthExpression('ldap_dn');
$qb = $this->dbc->getQueryBuilder();
$qb->select('ldap_dn')
->from($tableName)
->where($qb->expr()->gt($qb->createFunction($lengthExpr), '255', IQueryBuilder::PARAM_INT));
->where($qb->expr()->gt($qb->func()->octetLength('ldap_dn'), '4000', IQueryBuilder::PARAM_INT));
$dnsTooLong = [];
$result = $qb->executeQuery();
while(($dn = $result->fetchOne()) !== false) {
if(mb_strlen($dn) > 4000) {
$dnsTooLong[] = $dn;
}
while (($dn = $result->fetchOne()) !== false) {
$dnsTooLong[] = $dn;
}
$result->closeCursor();
$this->shortenDNs($dnsTooLong, $tableName);