+ # Don't collide with expired blocks.
+ # Do this after trying to insert to avoid locking.
+ if ( !$affected ) {
+ # T96428: The ipb_address index uses a prefix on a field, so
+ # use a standard SELECT + DELETE to avoid annoying gap locks.
+ $ids = $dbw->selectFieldValues( 'ipblocks',
+ 'ipb_id',
+ array(
+ 'ipb_address' => $row['ipb_address'],
+ 'ipb_user' => $row['ipb_user'],
+ 'ipb_expiry < ' . $dbw->addQuotes( $dbw->timestamp() )
+ ),
+ __METHOD__
+ );
+ if ( $ids ) {
+ $dbw->delete( 'ipblocks', array( 'ipb_id' => $ids ), __METHOD__ );
+ $dbw->insert( 'ipblocks', $row, __METHOD__, array( 'IGNORE' ) );
+ $affected = $dbw->affectedRows();
+ $this->mId = $dbw->insertId();
+ }
+ }
+