$each_index) { if (count($while_index) !== count($each_index)) { // number of fields are not equal continue; } // compare some key elements of every column in this two indexes foreach ($each_index as $col_name => $each_index_column) { if (! isset($while_index[$col_name]) // the position || $while_index[$col_name]['Seq_in_index'] !== $each_index_column['Seq_in_index'] // the order, ASC or DESC || $while_index[$col_name]['Collation'] !== $each_index_column['Collation'] // the length || $while_index[$col_name]['Sub_part'] !== $each_index_column['Sub_part'] // BTREE or HASH || $while_index[$col_name]['Index_type'] !== $each_index_column['Index_type']) { continue 2; } } // did not find any difference // so it makes no sense to have this two equal indexes // use first column from index to fetch index name reset($while_index); $first_column = current($while_index); $message = PMA_Message::warning('strIndexesSeemEqual'); $message->addParam($each_index_name); $message->addParam($first_column['Key_name']); $output .= $message->getDisplay(); // there is no need to check any further indexes if we have already // found that this one has a duplicate continue 2; } } if ($output) { $output = '' . $output . ''; } return $output; } /** * Loop array of returned index keys and extract key information to * seperate arrays. Those arrays are passed by reference. * * @param array Referenced Array of indexes * @param array Referenced return array * @param array Referenced return array * * @access public * @return boolean void * @author Garvin Hicking (pma@supergarv.de) */ function PMA_extract_indexes(&$ret_keys, &$indexes_info, &$indexes_data) { if (! is_array($ret_keys)) { return false; } $prev_index = ''; foreach ($ret_keys as $row) { if ($row['Key_name'] != $prev_index){ $indexes[] = $row['Key_name']; $prev_index = $row['Key_name']; } $indexes_info[$row['Key_name']]['Sequences'][] = $row['Seq_in_index']; $indexes_info[$row['Key_name']]['Non_unique'] = $row['Non_unique']; if (isset($row['Cardinality'])) { $indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality']; } // I don't know what does following column mean.... // $indexes_info[$row['Key_name']]['Packed'] = $row['Packed']; $indexes_info[$row['Key_name']]['Comment'] = (isset($row['Comment'])) ? $row['Comment'] : ''; $indexes_info[$row['Key_name']]['Index_type'] = (isset($row['Index_type'])) ? $row['Index_type'] : ''; $indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name'] = $row['Column_name']; if (isset($row['Sub_part'])) { $indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part'] = $row['Sub_part']; } } // end while return true; } ?>