if ( $ret === false ) {
wfDebugLog( 'ExternalStoreDB',
"ExternalStoreDB::fetchBlob master fallback on $cacheID" );
// Try the master
$dbw = $this->getMaster( $cluster );
$ret = $dbw->selectField( $this->getTable( $dbw ),
if ( $ret === false ) {
wfDebugLog( 'ExternalStoreDB',
"ExternalStoreDB::fetchBlob master fallback on $cacheID" );
// Try the master
$dbw = $this->getMaster( $cluster );
$ret = $dbw->selectField( $this->getTable( $dbw ),