mirror of
https://github.com/YunoHost-Apps/phpmyadmin_ynh.git
synced 2024-09-03 19:56:46 +02:00
412 lines
14 KiB
PHP
412 lines
14 KiB
PHP
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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* The InnoDB storage engine
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*
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* @package PhpMyAdmin-Engines
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/**
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* The InnoDB storage engine
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*
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* @package PhpMyAdmin-Engines
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*/
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class PMA_StorageEngine_innodb extends PMA_StorageEngine
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{
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/**
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* Returns array with variable names related to InnoDB storage engine
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*
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* @return array variable names
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*/
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function getVariables()
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{
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return array(
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'innodb_data_home_dir' => array(
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'title' => __('Data home directory'),
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'desc' => __('The common part of the directory path for all InnoDB data files.'),
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),
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'innodb_data_file_path' => array(
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'title' => __('Data files'),
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),
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'innodb_autoextend_increment' => array(
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'title' => __('Autoextend increment'),
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'desc' => __('The increment size for extending the size of an autoextending tablespace when it becomes full.'),
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_buffer_pool_size' => array(
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'title' => __('Buffer pool size'),
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'desc' => __('The size of the memory buffer InnoDB uses to cache data and indexes of its tables.'),
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'type' => PMA_ENGINE_DETAILS_TYPE_SIZE,
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),
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'innodb_additional_mem_pool_size' => array(
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'title' => 'innodb_additional_mem_pool_size',
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'type' => PMA_ENGINE_DETAILS_TYPE_SIZE,
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),
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'innodb_buffer_pool_awe_mem_mb' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_SIZE,
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),
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'innodb_checksums' => array(
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),
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'innodb_commit_concurrency' => array(
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),
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'innodb_concurrency_tickets' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_doublewrite' => array(
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),
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'innodb_fast_shutdown' => array(
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),
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'innodb_file_io_threads' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_file_per_table' => array(
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),
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'innodb_flush_log_at_trx_commit' => array(
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),
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'innodb_flush_method' => array(
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),
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'innodb_force_recovery' => array(
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),
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'innodb_lock_wait_timeout' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_locks_unsafe_for_binlog' => array(
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),
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'innodb_log_arch_dir' => array(
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),
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'innodb_log_archive' => array(
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),
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'innodb_log_buffer_size' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_SIZE,
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),
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'innodb_log_file_size' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_SIZE,
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),
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'innodb_log_files_in_group' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_log_group_home_dir' => array(
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),
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'innodb_max_dirty_pages_pct' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_max_purge_lag' => array(
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),
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'innodb_mirrored_log_groups' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_open_files' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_support_xa' => array(
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),
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'innodb_sync_spin_loops' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_table_locks' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_BOOLEAN,
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),
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'innodb_thread_concurrency' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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'innodb_thread_sleep_delay' => array(
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'type' => PMA_ENGINE_DETAILS_TYPE_NUMERIC,
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),
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);
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}
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/**
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* Returns the pattern to be used in the query for SQL variables
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* related to InnoDb storage engine
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*
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* @return string SQL query LIKE pattern
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*/
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function getVariablesLikePattern()
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{
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return 'innodb\\_%';
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}
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/**
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* Get information pages
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*
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* @return array detail pages
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*/
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function getInfoPages()
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{
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if ($this->support < PMA_ENGINE_SUPPORT_YES) {
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return array();
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}
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$pages = array();
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$pages['Bufferpool'] = __('Buffer Pool');
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$pages['Status'] = __('InnoDB Status');
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return $pages;
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}
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/**
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* returns html tables with stats over inno db buffer pool
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*
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* @return string html table with stats
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*/
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function getPageBufferpool()
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{
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// The following query is only possible because we know
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// that we are on MySQL 5 here (checked above)!
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// side note: I love MySQL 5 for this. :-)
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$sql = '
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SHOW STATUS
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WHERE Variable_name LIKE \'Innodb\\_buffer\\_pool\\_%\'
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OR Variable_name = \'Innodb_page_size\';';
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$status = $GLOBALS['dbi']->fetchResult($sql, 0, 1);
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$output = '<table class="data" id="table_innodb_bufferpool_usage">' . "\n"
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. ' <caption class="tblHeaders">' . "\n"
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. ' ' . __('Buffer Pool Usage') . "\n"
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. ' </caption>' . "\n"
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. ' <tfoot>' . "\n"
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. ' <tr>' . "\n"
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. ' <th colspan="2">' . "\n"
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. ' ' . __('Total') . "\n"
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. ' : '
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_total'], 0
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)
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. ' ' . __('pages')
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. ' / '
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. join(
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' ',
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PMA_Util::formatByteDown(
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$status['Innodb_buffer_pool_pages_total']
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* $status['Innodb_page_size']
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)
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) . "\n"
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. ' </th>' . "\n"
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. ' </tr>' . "\n"
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. ' </tfoot>' . "\n"
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. ' <tbody>' . "\n"
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. ' <tr class="odd">' . "\n"
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. ' <th>' . __('Free pages') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_free'], 0
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)
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="even">' . "\n"
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. ' <th>' . __('Dirty pages') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_dirty'], 0
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)
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="odd">' . "\n"
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. ' <th>' . __('Pages containing data') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_data'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="even">' . "\n"
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. ' <th>' . __('Pages to be flushed') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_flushed'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="odd">' . "\n"
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. ' <th>' . __('Busy pages') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_misc'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>';
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// not present at least since MySQL 5.1.40
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if (isset($status['Innodb_buffer_pool_pages_latched'])) {
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$output .= ' <tr class="even">'
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. ' <th>' . __('Latched pages') . '</th>'
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_pages_latched'], 0
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)
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. '</td>'
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. ' </tr>';
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}
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$output .= ' </tbody>' . "\n"
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. '</table>' . "\n\n"
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. '<table class="data" id="table_innodb_bufferpool_activity">' . "\n"
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. ' <caption class="tblHeaders">' . "\n"
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. ' ' . __('Buffer Pool Activity') . "\n"
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. ' </caption>' . "\n"
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. ' <tbody>' . "\n"
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. ' <tr class="odd">' . "\n"
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. ' <th>' . __('Read requests') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_read_requests'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="even">' . "\n"
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. ' <th>' . __('Write requests') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_write_requests'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="odd">' . "\n"
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. ' <th>' . __('Read misses') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_reads'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="even">' . "\n"
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. ' <th>' . __('Write waits') . '</th>' . "\n"
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. ' <td class="value">'
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. PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_wait_free'], 0
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) . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="odd">' . "\n"
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. ' <th>' . __('Read misses in %') . '</th>' . "\n"
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. ' <td class="value">'
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. ($status['Innodb_buffer_pool_read_requests'] == 0
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? '---'
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: htmlspecialchars(
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PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_reads'] * 100
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/ $status['Innodb_buffer_pool_read_requests'],
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3,
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2
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)
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) . ' %') . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' <tr class="even">' . "\n"
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. ' <th>' . __('Write waits in %') . '</th>' . "\n"
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. ' <td class="value">'
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. ($status['Innodb_buffer_pool_write_requests'] == 0
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? '---'
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: htmlspecialchars(
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PMA_Util::formatNumber(
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$status['Innodb_buffer_pool_wait_free'] * 100
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/ $status['Innodb_buffer_pool_write_requests'],
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3,
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2
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)
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) . ' %') . "\n"
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. '</td>' . "\n"
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. ' </tr>' . "\n"
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. ' </tbody>' . "\n"
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. '</table>' . "\n";
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return $output;
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}
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|
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/**
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* returns InnoDB status
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*
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* @return string result of SHOW INNODB STATUS inside pre tags
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*/
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function getPageStatus()
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{
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return '<pre id="pre_innodb_status">' . "\n"
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. htmlspecialchars(
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$GLOBALS['dbi']->fetchValue('SHOW INNODB STATUS;', 0, 'Status')
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) . "\n"
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. '</pre>' . "\n";
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}
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/**
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* Returns content for page $id
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*
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* @param string $id page id
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*
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* @return string html output
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*/
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function getPage($id)
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{
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if (! array_key_exists($id, $this->getInfoPages())) {
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return false;
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}
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$id = 'getPage' . $id;
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return $this->$id();
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}
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|
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/**
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||
|
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* returns string with filename for the MySQL helppage
|
||
|
|
* about this storage engine
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||
|
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*
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||
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* @return string mysql helppage filename
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*/
|
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|
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function getMysqlHelpPage()
|
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|
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{
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||
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return 'innodb-storage-engine';
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|
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}
|
||
|
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|
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/**
|
||
|
|
* Gets the InnoDB plugin version number
|
||
|
|
*
|
||
|
|
* http://www.innodb.com/products/innodb_plugin
|
||
|
|
* (do not confuse this with phpMyAdmin's storage engine plugins!)
|
||
|
|
*
|
||
|
|
* @return string the version number, or empty if not running as a plugin
|
||
|
|
*/
|
||
|
|
function getInnodbPluginVersion()
|
||
|
|
{
|
||
|
|
return $GLOBALS['dbi']->fetchValue('SELECT @@innodb_version;');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the InnoDB file format
|
||
|
|
*
|
||
|
|
* (works only for the InnoDB plugin)
|
||
|
|
* http://www.innodb.com/products/innodb_plugin
|
||
|
|
* (do not confuse this with phpMyAdmin's storage engine plugins!)
|
||
|
|
*
|
||
|
|
* @return string the InnoDB file format
|
||
|
|
*/
|
||
|
|
function getInnodbFileFormat()
|
||
|
|
{
|
||
|
|
return $GLOBALS['dbi']->fetchValue(
|
||
|
|
"SHOW GLOBAL VARIABLES LIKE 'innodb_file_format';", 0, 1
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Verifies if this server supports the innodb_file_per_table feature
|
||
|
|
*
|
||
|
|
* (works only for the InnoDB plugin)
|
||
|
|
* http://www.innodb.com/products/innodb_plugin
|
||
|
|
* (do not confuse this with phpMyAdmin's storage engine plugins!)
|
||
|
|
*
|
||
|
|
* @return boolean whether this feature is supported or not
|
||
|
|
*/
|
||
|
|
function supportsFilePerTable()
|
||
|
|
{
|
||
|
|
$innodb_file_per_table = $GLOBALS['dbi']->fetchValue(
|
||
|
|
"SHOW GLOBAL VARIABLES LIKE 'innodb_file_per_table';", 0, 1
|
||
|
|
);
|
||
|
|
if ($innodb_file_per_table == 'ON') {
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|