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<?php
/**
 * The MyISAM storage engine
 */

declare(strict_types=1);

namespace PhpMyAdmin\Engines;

use PhpMyAdmin\StorageEngine;

use function __;

/**
 * The MyISAM storage engine
 */
class Myisam extends StorageEngine
{
    /**
     * Returns array with variable names dedicated to MyISAM storage engine
     *
     * @return array   variable names
     */
    public function getVariables()
    {
        return [
            'myisam_data_pointer_size' => [
                'title' => __('Data pointer size'),
                'desc' => __(
                    'The default pointer size in bytes, to be used by CREATE TABLE '
                    . 'for MyISAM tables when no MAX_ROWS option is specified.'
                ),
                'type' => StorageEngine::DETAILS_TYPE_SIZE,
            ],
            'myisam_recover_options' => [
                'title' => __('Automatic recovery mode'),
                'desc' => __(
                    'The mode for automatic recovery of crashed MyISAM tables, as '
                    . 'set via the --myisam-recover server startup option.'
                ),
            ],
            'myisam_max_sort_file_size' => [
                'title' => __('Maximum size for temporary sort files'),
                'desc' => __(
                    'The maximum size of the temporary file MySQL is allowed to use '
                    . 'while re-creating a MyISAM index (during REPAIR TABLE, ALTER '
                    . 'TABLE, or LOAD DATA INFILE).'
                ),
                'type' => StorageEngine::DETAILS_TYPE_SIZE,
            ],
            'myisam_max_extra_sort_file_size' => [
                'title' => __('Maximum size for temporary files on index creation'),
                'desc' => __(
                    'If the temporary file used for fast MyISAM index creation '
                    . 'would be larger than using the key cache by the amount '
                    . 'specified here, prefer the key cache method.'
                ),
                'type' => StorageEngine::DETAILS_TYPE_SIZE,
            ],
            'myisam_repair_threads' => [
                'title' => __('Repair threads'),
                'desc' => __(
                    'If this value is greater than 1, MyISAM table indexes are '
                    . 'created in parallel (each index in its own thread) during '
                    . 'the repair by sorting process.'
                ),
                'type' => StorageEngine::DETAILS_TYPE_NUMERIC,
            ],
            'myisam_sort_buffer_size' => [
                'title' => __('Sort buffer size'),
                'desc' => __(
                    'The buffer that is allocated when sorting MyISAM indexes '
                    . 'during a REPAIR TABLE or when creating indexes with CREATE '
                    . 'INDEX or ALTER TABLE.'
                ),
                'type' => StorageEngine::DETAILS_TYPE_SIZE,
            ],
            'myisam_stats_method' => [],
            'delay_key_write' => [],
            'bulk_insert_buffer_size' => ['type' => StorageEngine::DETAILS_TYPE_SIZE],
            'skip_external_locking' => [],
        ];
    }
}