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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers\Table;
use PhpMyAdmin\Charsets;
use PhpMyAdmin\CheckUserPrivileges;
use PhpMyAdmin\Config\PageSettings;
use PhpMyAdmin\ConfigStorage\Relation;
use PhpMyAdmin\ConfigStorage\RelationCleanup;
use PhpMyAdmin\ConfigStorage\RelationParameters;
use PhpMyAdmin\CreateAddField;
use PhpMyAdmin\Database\CentralColumns;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\DbTableExists;
use PhpMyAdmin\Engines\Innodb;
use PhpMyAdmin\FlashMessages;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Index;
use PhpMyAdmin\Partitioning\Partition;
use PhpMyAdmin\Query\Utilities;
use PhpMyAdmin\ResponseRenderer;
use PhpMyAdmin\StorageEngine;
use PhpMyAdmin\Table;
use PhpMyAdmin\Template;
use PhpMyAdmin\Tracker;
use PhpMyAdmin\Transformations;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use PhpMyAdmin\Utils\ForeignKey;
use stdClass;
use function __;
use function in_array;
use function is_string;
use function str_contains;
/**
* Displays table structure infos like columns, indexes, size, rows
* and allows manipulation of indexes and columns.
*/
class StructureController extends AbstractController
{
/** @var Table The table object */
protected $tableObj;
/** @var CreateAddField */
private $createAddField;
/** @var Relation */
private $relation;
/** @var Transformations */
private $transformations;
/** @var RelationCleanup */
private $relationCleanup;
/** @var DatabaseInterface */
private $dbi;
/** @var FlashMessages */
private $flash;
public function __construct(
ResponseRenderer $response,
Template $template,
string $db,
string $table,
Relation $relation,
Transformations $transformations,
CreateAddField $createAddField,
RelationCleanup $relationCleanup,
DatabaseInterface $dbi,
FlashMessages $flash
) {
parent::__construct($response, $template, $db, $table);
$this->createAddField = $createAddField;
$this->relation = $relation;
$this->transformations = $transformations;
$this->relationCleanup = $relationCleanup;
$this->dbi = $dbi;
$this->flash = $flash;
$this->tableObj = $this->dbi->getTable($this->db, $this->table);
}
public function __invoke(): void
{
global $reread_info, $showtable, $db, $table, $cfg, $errorUrl;
global $tbl_is_view, $tbl_storage_engine, $tbl_collation, $table_info_num_rows;
$this->dbi->selectDb($this->db);
$reread_info = $this->tableObj->getStatusInfo(null, true);
$showtable = $this->tableObj->getStatusInfo(null, (isset($reread_info) && $reread_info));
if ($this->tableObj->isView()) {
$tbl_is_view = true;
$tbl_storage_engine = __('View');
} else {
$tbl_is_view = false;
$tbl_storage_engine = $this->tableObj->getStorageEngine();
}
$tbl_collation = $this->tableObj->getCollation();
$table_info_num_rows = $this->tableObj->getNumRows();
$pageSettings = new PageSettings('TableStructure');
$this->response->addHTML($pageSettings->getErrorHTML());
$this->response->addHTML($pageSettings->getHTML());
$checkUserPrivileges = new CheckUserPrivileges($this->dbi);
$checkUserPrivileges->getPrivileges();
$this->addScriptFiles(['table/structure.js', 'indexes.js']);
$relationParameters = $this->relation->getRelationParameters();
Util::checkParameters(['db', 'table']);
$isSystemSchema = Utilities::isSystemSchema($db);
$url_params = ['db' => $db, 'table' => $table];
$errorUrl = Util::getScriptNameForOption($cfg['DefaultTabTable'], 'table');
$errorUrl .= Url::getCommon($url_params, '&');
DbTableExists::check();
$primary = Index::getPrimary($this->table, $this->db);
$columns_with_index = $this->dbi
->getTable($this->db, $this->table)
->getColumnsWithIndex(Index::UNIQUE | Index::INDEX | Index::SPATIAL | Index::FULLTEXT);
$columns_with_unique_index = $this->dbi
->getTable($this->db, $this->table)
->getColumnsWithIndex(Index::UNIQUE);
$fields = $this->dbi->getColumns($this->db, $this->table, true);
$this->response->addHTML($this->displayStructure(
$relationParameters,
$columns_with_unique_index,
$primary,
$fields,
$columns_with_index,
$isSystemSchema
));
}
/**
* Displays the table structure ('show table' works correct since 3.23.03)
*
* @param array $columns_with_unique_index Columns with unique index
* @param Index|false $primary_index primary index or false if no one exists
* @param array $fields Fields
* @param array $columns_with_index Columns with index
*
* @return string
*/
protected function displayStructure(
RelationParameters $relationParameters,
array $columns_with_unique_index,
$primary_index,
array $fields,
array $columns_with_index,
bool $isSystemSchema
) {
global $route, $tbl_is_view, $tbl_storage_engine;
// prepare comments
$comments_map = [];
$mime_map = [];
if ($GLOBALS['cfg']['ShowPropertyComments']) {
$comments_map = $this->relation->getComments($this->db, $this->table);
if ($relationParameters->browserTransformationFeature !== null && $GLOBALS['cfg']['BrowseMIME']) {
$mime_map = $this->transformations->getMime($this->db, $this->table, true);
}
}
$centralColumns = new CentralColumns($this->dbi);
$central_list = $centralColumns->getFromTable($this->db, $this->table);
/**
* Displays Space usage and row statistics
*/
// BEGIN - Calc Table Space
// Get valid statistics whatever is the table type
if ($GLOBALS['cfg']['ShowStats']) {
//get table stats in HTML format
$tablestats = $this->getTableStats($isSystemSchema);
//returning the response in JSON format to be used by Ajax
$this->response->addJSON('tableStat', $tablestats);
}
// END - Calc Table Space
// logic removed from Template
$rownum = 0;
$columns_list = [];
$attributes = [];
$displayed_fields = [];
$row_comments = [];
$extracted_columnspecs = [];
$collations = [];
foreach ($fields as &$field) {
++$rownum;
$columns_list[] = $field['Field'];
$extracted_columnspecs[$rownum] = Util::extractColumnSpec($field['Type']);
$attributes[$rownum] = $extracted_columnspecs[$rownum]['attribute'];
if (str_contains($field['Extra'], 'on update CURRENT_TIMESTAMP')) {
$attributes[$rownum] = 'on update CURRENT_TIMESTAMP';
}
$displayed_fields[$rownum] = new stdClass();
$displayed_fields[$rownum]->text = $field['Field'];
$displayed_fields[$rownum]->icon = '';
$row_comments[$rownum] = '';
if (isset($comments_map[$field['Field']])) {
$displayed_fields[$rownum]->comment = $comments_map[$field['Field']];
$row_comments[$rownum] = $comments_map[$field['Field']];
}
if ($primary_index && $primary_index->hasColumn($field['Field'])) {
$displayed_fields[$rownum]->icon .= Generator::getImage('b_primary', __('Primary'));
}
if (in_array($field['Field'], $columns_with_index)) {
$displayed_fields[$rownum]->icon .= Generator::getImage('bd_primary', __('Index'));
}
$collation = Charsets::findCollationByName(
$this->dbi,
$GLOBALS['cfg']['Server']['DisableIS'],
$field['Collation'] ?? ''
);
if ($collation === null) {
continue;
}
$collations[$collation->getName()] = [
'name' => $collation->getName(),
'description' => $collation->getDescription(),
];
}
$engine = $this->tableObj->getStorageEngine();
return $this->template->render('table/structure/display_structure', [
'collations' => $collations,
'is_foreign_key_supported' => ForeignKey::isSupported($engine),
'indexes' => Index::getFromTable($this->table, $this->db),
'indexes_duplicates' => Index::findDuplicates($this->table, $this->db),
'relation_parameters' => $relationParameters,
'hide_structure_actions' => $GLOBALS['cfg']['HideStructureActions'] === true,
'db' => $this->db,
'table' => $this->table,
'db_is_system_schema' => $isSystemSchema,
'tbl_is_view' => $tbl_is_view,
'mime_map' => $mime_map,
'tbl_storage_engine' => $tbl_storage_engine,
'primary' => $primary_index,
'columns_with_unique_index' => $columns_with_unique_index,
'columns_list' => $columns_list,
'table_stats' => $tablestats ?? null,
'fields' => $fields,
'extracted_columnspecs' => $extracted_columnspecs,
'columns_with_index' => $columns_with_index,
'central_list' => $central_list,
'comments_map' => $comments_map,
'browse_mime' => $GLOBALS['cfg']['BrowseMIME'],
'show_column_comments' => $GLOBALS['cfg']['ShowColumnComments'],
'show_stats' => $GLOBALS['cfg']['ShowStats'],
'mysql_int_version' => $this->dbi->getVersion(),
'is_mariadb' => $this->dbi->isMariaDB(),
'text_dir' => $GLOBALS['text_dir'],
'is_active' => Tracker::isActive(),
'have_partitioning' => Partition::havePartitioning(),
'partitions' => Partition::getPartitions($this->db, $this->table),
'partition_names' => Partition::getPartitionNames($this->db, $this->table),
'default_sliders_state' => $GLOBALS['cfg']['InitialSlidersState'],
'attributes' => $attributes,
'displayed_fields' => $displayed_fields,
'row_comments' => $row_comments,
'route' => $route,
]);
}
/**
* Get HTML snippet for display table statistics
*
* @return string
*/
protected function getTableStats(bool $isSystemSchema)
{
global $showtable, $tbl_is_view;
global $tbl_storage_engine, $table_info_num_rows, $tbl_collation;
if (empty($showtable)) {
$showtable = $this->dbi->getTable($this->db, $this->table)->getStatusInfo(null, true);
}
if (is_string($showtable)) {
$showtable = [];
}
if (empty($showtable['Data_length'])) {
$showtable['Data_length'] = 0;
}
if (empty($showtable['Index_length'])) {
$showtable['Index_length'] = 0;
}
$is_innodb = (isset($showtable['Type'])
&& $showtable['Type'] === 'InnoDB');
$mergetable = $this->tableObj->isMerge();
// this is to display for example 261.2 MiB instead of 268k KiB
$max_digits = 3;
$decimals = 1;
[$data_size, $data_unit] = Util::formatByteDown($showtable['Data_length'], $max_digits, $decimals);
if ($mergetable === false) {
[$index_size, $index_unit] = Util::formatByteDown($showtable['Index_length'], $max_digits, $decimals);
}
if (isset($showtable['Data_free'])) {
[$free_size, $free_unit] = Util::formatByteDown($showtable['Data_free'], $max_digits, $decimals);
[$effect_size, $effect_unit] = Util::formatByteDown(
$showtable['Data_length']
+ $showtable['Index_length']
- $showtable['Data_free'],
$max_digits,
$decimals
);
} else {
[$effect_size, $effect_unit] = Util::formatByteDown(
$showtable['Data_length']
+ $showtable['Index_length'],
$max_digits,
$decimals
);
}
[$tot_size, $tot_unit] = Util::formatByteDown(
$showtable['Data_length'] + $showtable['Index_length'],
$max_digits,
$decimals
);
$avg_size = '';
$avg_unit = '';
if ($table_info_num_rows > 0) {
[$avg_size, $avg_unit] = Util::formatByteDown(
($showtable['Data_length']
+ $showtable['Index_length'])
/ $showtable['Rows'],
6,
1
);
}
/** @var Innodb $innodbEnginePlugin */
$innodbEnginePlugin = StorageEngine::getEngine('Innodb');
$innodb_file_per_table = $innodbEnginePlugin->supportsFilePerTable();
$tableCollation = [];
$collation = Charsets::findCollationByName($this->dbi, $GLOBALS['cfg']['Server']['DisableIS'], $tbl_collation);
if ($collation !== null) {
$tableCollation = [
'name' => $collation->getName(),
'description' => $collation->getDescription(),
];
}
return $this->template->render('table/structure/display_table_stats', [
'db' => $GLOBALS['db'],
'table' => $GLOBALS['table'],
'showtable' => $showtable,
'table_info_num_rows' => $table_info_num_rows,
'tbl_is_view' => $tbl_is_view,
'db_is_system_schema' => $isSystemSchema,
'tbl_storage_engine' => $tbl_storage_engine,
'table_collation' => $tableCollation,
'is_innodb' => $is_innodb,
'mergetable' => $mergetable,
'avg_size' => $avg_size ?? null,
'avg_unit' => $avg_unit ?? null,
'data_size' => $data_size,
'data_unit' => $data_unit,
'index_size' => $index_size ?? null,
'index_unit' => $index_unit ?? null,
'innodb_file_per_table' => $innodb_file_per_table,
'free_size' => $free_size ?? null,
'free_unit' => $free_unit ?? null,
'effect_size' => $effect_size,
'effect_unit' => $effect_unit,
'tot_size' => $tot_size,
'tot_unit' => $tot_unit,
]);
}
}