* Given an array of non-normalised probabilities, this function will select
* an element and return the appropriate key
*
- * @deprecated 1.21, use ArrayUtils::pickRandom()
+ * @deprecated since 1.21, use ArrayUtils::pickRandom()
*
* @param $weights array
*
# Operation-based index
if ( $i == DB_SLAVE ) {
+ $this->mLastError = 'Unknown error'; // reset error string
$i = $this->getReaderIndex( false, $wiki );
# Couldn't find a working server in getReaderIndex()?
if ( $i === false ) {