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<?php /** * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @file * @ingroup Maintenance ExternalStorage */ // @codeCoverageIgnoreStart require_once __DIR__ . '/../Maintenance.php'; // @codeCoverageIgnoreEnd class StorageTypeStats extends Maintenance { public function execute() { $dbr = $this->getReplicaDB(); $endId = $dbr->newSelectQueryBuilder() ->select( 'MAX(old_id)' ) ->from( 'text' ) ->caller( __METHOD__ )->fetchField(); if ( !$endId ) { $this->fatalError( 'No text rows!' ); } $binSize = intval( 10 ** ( floor( log10( $endId ) ) - 3 ) ); if ( $binSize < 100 ) { $binSize = 100; } echo "Using bin size of $binSize\n"; $stats = []; $classSql = <<<SQL IF(old_flags LIKE '%external%', IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+/[0-9a-f]{32}$', 'CGZ pointer', IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+/[0-9]{1,6}$', 'DHB pointer', IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+$', 'simple pointer', 'UNKNOWN pointer' ) ) ), IF(old_flags LIKE '%object%', TRIM('"' FROM SUBSTRING_INDEX(SUBSTRING_INDEX(old_text, ':', 3), ':', -1)), '[none]' ) ) SQL; for ( $rangeStart = 0; $rangeStart < $endId; $rangeStart += $binSize ) { if ( $rangeStart / $binSize % 10 == 0 ) { echo "$rangeStart\r"; } $res = $dbr->newSelectQueryBuilder() ->select( [ 'old_flags', 'class' => $classSql, 'count' => 'COUNT(*)' ] ) ->from( 'text' ) ->where( $dbr->expr( 'old_id', '>=', intval( $rangeStart ) ) ) ->andWhere( $dbr->expr( 'old_id', '<', intval( $rangeStart + $binSize ) ) ) ->groupBy( [ 'old_flags', 'class' ] ) ->caller( __METHOD__ )->fetchResultSet(); foreach ( $res as $row ) { $flags = $row->old_flags; if ( $flags === '' ) { $flags = '[none]'; } $class = $row->class; $count = $row->count; // @phan-suppress-next-line PhanImpossibleConditionInLoop,PhanPossiblyUndeclaredVariable False positive if ( !isset( $stats[$flags][$class] ) ) { $stats[$flags][$class] = [ 'count' => 0, 'first' => $rangeStart, 'last' => 0 ]; } $entry =& $stats[$flags][$class]; $entry['count'] += $count; $entry['last'] = max( $entry['last'], $rangeStart + $binSize ); unset( $entry ); } } echo "\n\n"; $format = "%-29s %-39s %-19s %-29s\n"; printf( $format, "Flags", "Class", "Count", "old_id range" ); echo str_repeat( '-', 120 ) . "\n"; foreach ( $stats as $flags => $flagStats ) { foreach ( $flagStats as $class => $entry ) { printf( $format, $flags, $class, $entry['count'], sprintf( "%-13d - %-13d", $entry['first'], $entry['last'] ) ); } } } } // @codeCoverageIgnoreStart $maintClass = StorageTypeStats::class; require_once RUN_MAINTENANCE_IF_MAIN; // @codeCoverageIgnoreEnd
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