/
StructureController.php
1626 lines (1467 loc) · 59.1 KB
/
StructureController.php
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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers\Database;
use PhpMyAdmin\CentralColumns;
use PhpMyAdmin\Charsets;
use PhpMyAdmin\Common;
use PhpMyAdmin\Config\PageSettings;
use PhpMyAdmin\Core;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Display\CreateTable;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Message;
use PhpMyAdmin\Operations;
use PhpMyAdmin\RecentFavoriteTable;
use PhpMyAdmin\Relation;
use PhpMyAdmin\RelationCleanup;
use PhpMyAdmin\Replication;
use PhpMyAdmin\ReplicationInfo;
use PhpMyAdmin\Response;
use PhpMyAdmin\Sanitize;
use PhpMyAdmin\Sql;
use PhpMyAdmin\Table;
use PhpMyAdmin\Template;
use PhpMyAdmin\Tracker;
use PhpMyAdmin\Transformations;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function array_search;
use function ceil;
use function count;
use function define;
use function htmlspecialchars;
use function implode;
use function in_array;
use function is_string;
use function json_decode;
use function json_encode;
use function max;
use function mb_strlen;
use function mb_substr;
use function md5;
use function preg_match;
use function preg_quote;
use function sha1;
use function sprintf;
use function str_replace;
use function strlen;
use function strtotime;
use function urlencode;
/**
* Handles database structure logic
*/
class StructureController extends AbstractController
{
/** @var int Number of tables */
protected $numTables;
/** @var int Current position in the list */
protected $position;
/** @var bool DB is information_schema */
protected $dbIsSystemSchema;
/** @var int Number of tables */
protected $totalNumTables;
/** @var array Tables in the database */
protected $tables;
/** @var bool whether stats show or not */
protected $isShowStats;
/** @var Relation */
private $relation;
/** @var Replication */
private $replication;
/** @var Transformations */
private $transformations;
/** @var RelationCleanup */
private $relationCleanup;
/** @var Operations */
private $operations;
/**
* @param Response $response Response instance
* @param DatabaseInterface $dbi DatabaseInterface instance
* @param Template $template Template object
* @param string $db Database name
* @param Relation $relation Relation instance
* @param Replication $replication Replication instance
* @param Transformations $transformations Transformations instance.
* @param RelationCleanup $relationCleanup RelationCleanup instance.
* @param Operations $operations Operations instance.
*/
public function __construct(
$response,
$dbi,
Template $template,
$db,
$relation,
$replication,
Transformations $transformations,
RelationCleanup $relationCleanup,
Operations $operations
) {
parent::__construct($response, $dbi, $template, $db);
$this->relation = $relation;
$this->replication = $replication;
$this->transformations = $transformations;
$this->relationCleanup = $relationCleanup;
$this->operations = $operations;
}
/**
* Retrieves database information for further use
*
* @param string $subPart Page part name
*/
private function getDatabaseInfo(string $subPart): void
{
[$tables, $numTables, $totalNumTables,, $isShowStats, $dbIsSystemSchema,,, $position]
= Util::getDbInfo($this->db, $subPart);
$this->tables = $tables;
$this->numTables = $numTables;
$this->position = $position;
$this->dbIsSystemSchema = $dbIsSystemSchema;
$this->totalNumTables = $totalNumTables;
$this->isShowStats = $isShowStats;
}
public function index(): void
{
global $cfg;
$parameters = [
'sort' => $_REQUEST['sort'] ?? null,
'sort_order' => $_REQUEST['sort_order'] ?? null,
];
Common::database();
$this->response->getHeader()->getScripts()->addFiles([
'database/structure.js',
'table/change.js',
]);
// Drops/deletes/etc. multiple tables if required
if ((! empty($_POST['submit_mult']) && isset($_POST['selected_tbl']))
|| isset($_POST['mult_btn'])
) {
$this->multiSubmitAction();
}
// Gets the database structure
$this->getDatabaseInfo('_structure');
// Checks if there are any tables to be shown on current page.
// If there are no tables, the user is redirected to the last page
// having any.
if ($this->totalNumTables > 0 && $this->position > $this->totalNumTables) {
$uri = './index.php?route=/database/structure' . Url::getCommonRaw([
'db' => $this->db,
'pos' => max(0, $this->totalNumTables - $cfg['MaxTableList']),
'reload' => 1,
], '&');
Core::sendHeaderLocation($uri);
}
ReplicationInfo::load();
PageSettings::showGroup('DbStructure');
if ($this->numTables > 0) {
$urlParams = [
'pos' => $this->position,
'db' => $this->db,
];
if (isset($parameters['sort'])) {
$urlParams['sort'] = $parameters['sort'];
}
if (isset($parameters['sort_order'])) {
$urlParams['sort_order'] = $parameters['sort_order'];
}
$listNavigator = Generator::getListNavigator(
$this->totalNumTables,
$this->position,
$urlParams,
Url::getFromRoute('/database/structure'),
'frame_content',
$cfg['MaxTableList']
);
$tableList = $this->displayTableList();
}
$createTable = '';
if (empty($this->dbIsSystemSchema)) {
$createTable = CreateTable::getHtml($this->db);
}
$this->render('database/structure/index', [
'database' => $this->db,
'has_tables' => $this->numTables > 0,
'list_navigator_html' => $listNavigator ?? '',
'table_list_html' => $tableList ?? '',
'is_system_schema' => ! empty($this->dbIsSystemSchema),
'create_table_html' => $createTable,
]);
}
public function addRemoveFavoriteTablesAction(): void
{
global $cfg;
$parameters = [
'favorite_table' => $_REQUEST['favorite_table'] ?? null,
'favoriteTables' => $_REQUEST['favoriteTables'] ?? null,
'sync_favorite_tables' => $_REQUEST['sync_favorite_tables'] ?? null,
];
Common::database();
if (! $this->response->isAjax()) {
return;
}
$favoriteInstance = RecentFavoriteTable::getInstance('favorite');
if (isset($parameters['favoriteTables'])) {
$favoriteTables = json_decode($parameters['favoriteTables'], true);
} else {
$favoriteTables = [];
}
// Required to keep each user's preferences separate.
$user = sha1($cfg['Server']['user']);
// Request for Synchronization of favorite tables.
if (isset($parameters['sync_favorite_tables'])) {
$cfgRelation = $this->relation->getRelationsParam();
if ($cfgRelation['favoritework']) {
$this->response->addJSON($this->synchronizeFavoriteTables(
$favoriteInstance,
$user,
$favoriteTables
));
}
return;
}
$changes = true;
$titles = Util::buildActionTitles();
$favoriteTable = $parameters['favorite_table'] ?? '';
$alreadyFavorite = $this->checkFavoriteTable($favoriteTable);
if (isset($_REQUEST['remove_favorite'])) {
if ($alreadyFavorite) {
// If already in favorite list, remove it.
$favoriteInstance->remove($this->db, $favoriteTable);
$alreadyFavorite = false; // for favorite_anchor template
}
} elseif (isset($_REQUEST['add_favorite'])) {
if (! $alreadyFavorite) {
$numTables = count($favoriteInstance->getTables());
if ($numTables == $cfg['NumFavoriteTables']) {
$changes = false;
} else {
// Otherwise add to favorite list.
$favoriteInstance->add($this->db, $favoriteTable);
$alreadyFavorite = true; // for favorite_anchor template
}
}
}
$favoriteTables[$user] = $favoriteInstance->getTables();
$json = [];
$json['changes'] = $changes;
if (! $changes) {
$json['message'] = $this->template->render('components/error_message', [
'msg' => __('Favorite List is full!'),
]);
$this->response->addJSON($json);
return;
}
// Check if current table is already in favorite list.
$favoriteParams = [
'db' => $this->db,
'ajax_request' => true,
'favorite_table' => $favoriteTable,
($alreadyFavorite ? 'remove' : 'add') . '_favorite' => true,
];
$json['user'] = $user;
$json['favoriteTables'] = json_encode($favoriteTables);
$json['list'] = $favoriteInstance->getHtmlList();
$json['anchor'] = $this->template->render('database/structure/favorite_anchor', [
'table_name_hash' => md5($favoriteTable),
'db_table_name_hash' => md5($this->db . '.' . $favoriteTable),
'fav_params' => $favoriteParams,
'already_favorite' => $alreadyFavorite,
'titles' => $titles,
]);
$this->response->addJSON($json);
}
/**
* Handles request for real row count on database level view page.
*/
public function handleRealRowCountRequestAction(): void
{
$parameters = [
'real_row_count_all' => $_REQUEST['real_row_count_all'] ?? null,
'table' => $_REQUEST['table'] ?? null,
];
Common::database();
if (! $this->response->isAjax()) {
return;
}
// If there is a request to update all table's row count.
if (! isset($parameters['real_row_count_all'])) {
// Get the real row count for the table.
$realRowCount = $this->dbi
->getTable($this->db, (string) $parameters['table'])
->getRealRowCountTable();
// Format the number.
$realRowCount = Util::formatNumber($realRowCount, 0);
$this->response->addJSON(['real_row_count' => $realRowCount]);
return;
}
// Array to store the results.
$realRowCountAll = [];
// Iterate over each table and fetch real row count.
foreach ($this->tables as $table) {
$rowCount = $this->dbi
->getTable($this->db, $table['TABLE_NAME'])
->getRealRowCountTable();
$realRowCountAll[] = [
'table' => $table['TABLE_NAME'],
'row_count' => $rowCount,
];
}
$this->response->addJSON(['real_row_count_all' => json_encode($realRowCountAll)]);
}
/**
* Handles actions related to multiple tables
*/
public function multiSubmitAction(): void
{
global $containerBuilder, $db, $table, $from_prefix, $goto, $message, $err_url;
global $mult_btn, $query_type, $reload, $dblist, $selected, $sql_query;
global $submit_mult, $table_type, $to_prefix, $url_query, $pmaThemeImage;
if (isset($_POST['error']) && $_POST['error'] !== false) {
return;
}
$action = Url::getFromRoute('/database/structure');
$err_url = Url::getFromRoute('/database/structure', ['db' => $this->db]);
$from_prefix = $_POST['from_prefix'] ?? $from_prefix ?? null;
$goto = $_POST['goto'] ?? $goto ?? null;
$mult_btn = $_POST['mult_btn'] ?? $mult_btn ?? null;
$query_type = $_POST['query_type'] ?? $query_type ?? null;
$reload = $_POST['reload'] ?? $reload ?? null;
$selected = $_POST['selected'] ?? $selected ?? null;
$sql_query = $_POST['sql_query'] ?? $sql_query ?? null;
$submit_mult = $_POST['submit_mult'] ?? $submit_mult ?? null;
$table_type = $_POST['table_type'] ?? $table_type ?? null;
$to_prefix = $_POST['to_prefix'] ?? $to_prefix ?? null;
$url_query = $_POST['url_query'] ?? $url_query ?? null;
/**
* Prepares the work and runs some other scripts if required
*/
if (! empty($submit_mult)
&& $submit_mult != __('With selected:')
&& ! empty($_POST['selected_tbl'])
) {
// phpcs:disable PSR1.Files.SideEffects
define('PMA_SUBMIT_MULT', 1);
// phpcs:enable
if (! empty($_POST['selected_tbl'])) {
// coming from database structure view - do something with
// selected tables
$selected = $_POST['selected_tbl'];
$centralColumns = new CentralColumns($this->dbi);
switch ($submit_mult) {
case 'add_prefix_tbl':
case 'replace_prefix_tbl':
case 'copy_tbl_change_prefix':
case 'drop_tbl':
case 'empty_tbl':
$what = $submit_mult;
break;
case 'check_tbl':
case 'optimize_tbl':
case 'repair_tbl':
case 'analyze_tbl':
case 'checksum_tbl':
$query_type = $submit_mult;
unset($submit_mult);
$mult_btn = __('Yes');
break;
case 'copy_tbl':
$_url_params = [
'query_type' => 'copy_tbl',
'db' => $db,
];
foreach ($selected as $selectedValue) {
$_url_params['selected'][] = $selectedValue;
}
$databasesList = $dblist->databases;
foreach ($databasesList as $key => $databaseName) {
if ($databaseName == $db) {
$databasesList->offsetUnset($key);
break;
}
}
$this->response->disable();
$this->render('mult_submits/copy_multiple_tables', [
'action' => $action,
'url_params' => $_url_params,
'options' => $databasesList->getList(),
]);
exit;
case 'show_create':
$show_create = $this->template->render('database/structure/show_create', [
'db' => $db,
'db_objects' => $selected,
'dbi' => $this->dbi,
]);
// Send response to client.
$this->response->addJSON('message', $show_create);
exit;
case 'sync_unique_columns_central_list':
$centralColsError = $centralColumns->syncUniqueColumns(
$selected
);
break;
case 'delete_unique_columns_central_list':
$centralColsError = $centralColumns->deleteColumnsFromList(
$_POST['db'],
$selected
);
break;
case 'make_consistent_with_central_list':
$centralColsError = $centralColumns->makeConsistentWithList(
$db,
$selected
);
break;
} // end switch
}
}
if (empty($db)) {
$db = '';
}
if (empty($table)) {
$table = '';
}
$views = $this->dbi->getVirtualTables($db);
/**
* Displays the confirmation form if required
*/
if (! empty($submit_mult) && ! empty($what)) {
unset($message);
if (strlen($table) > 0) {
Common::table();
$url_query .= Url::getCommon([
'goto' => Url::getFromRoute('/table/sql'),
'back' => Url::getFromRoute('/table/sql'),
], '&');
} elseif (strlen($db) > 0) {
Common::database();
[
$tables,
$num_tables,
$total_num_tables,
$sub_part,
$is_show_stats,
$db_is_system_schema,
$tooltip_truename,
$tooltip_aliasname,
$pos,
] = Util::getDbInfo($db, $sub_part ?? '');
} else {
Common::server();
}
$full_query_views = null;
$full_query = '';
if ($what == 'drop_tbl') {
$full_query_views = '';
}
foreach ($selected as $selectedValue) {
switch ($what) {
case 'drop_tbl':
$current = $selectedValue;
if (! empty($views) && in_array($current, $views)) {
$full_query_views .= (empty($full_query_views) ? 'DROP VIEW ' : ', ')
. Util::backquote(htmlspecialchars($current));
} else {
$full_query .= (empty($full_query) ? 'DROP TABLE ' : ', ')
. Util::backquote(htmlspecialchars($current));
}
break;
case 'empty_tbl':
$full_query .= 'TRUNCATE ';
$full_query .= Util::backquote(htmlspecialchars($selectedValue))
. ';<br>';
break;
}
}
if ($what == 'drop_tbl') {
if (! empty($full_query)) {
$full_query .= ';<br>' . "\n";
}
if (! empty($full_query_views)) {
$full_query .= $full_query_views . ';<br>' . "\n";
}
unset($full_query_views);
}
$_url_params = [
'query_type' => $what,
'db' => $db,
];
foreach ($selected as $selectedValue) {
$_url_params['selected'][] = $selectedValue;
}
if ($what == 'drop_tbl' && ! empty($views)) {
foreach ($views as $current) {
$_url_params['views'][] = $current;
}
}
if ($what == 'replace_prefix_tbl' || $what == 'copy_tbl_change_prefix') {
$this->response->disable();
$this->render('mult_submits/replace_prefix_table', [
'action' => $action,
'url_params' => $_url_params,
]);
} elseif ($what == 'add_prefix_tbl') {
$this->response->disable();
$this->render('mult_submits/add_prefix_table', [
'action' => $action,
'url_params' => $_url_params,
]);
} else {
$this->render('mult_submits/other_actions', [
'action' => $action,
'url_params' => $_url_params,
'what' => $what,
'full_query' => $full_query,
'is_foreign_key_check' => Util::isForeignKeyCheck(),
]);
}
exit;
}
if (! empty($mult_btn) && $mult_btn == __('Yes')) {
$default_fk_check_value = false;
if ($query_type == 'drop_tbl' || $query_type == 'empty_tbl') {
$default_fk_check_value = Util::handleDisableFKCheckInit();
}
$aQuery = '';
$sql_query = '';
$sql_query_views = null;
// whether to run query after each pass
$run_parts = false;
// whether to execute the query at the end (to display results)
$execute_query_later = false;
if ($query_type == 'drop_tbl') {
$sql_query_views = '';
}
$selectedCount = count($selected);
$deletes = false;
$copyTable = false;
for ($i = 0; $i < $selectedCount; $i++) {
switch ($query_type) {
case 'drop_tbl':
$this->relationCleanup->table($db, $selected[$i]);
$current = $selected[$i];
if (! empty($views) && in_array($current, $views)) {
$sql_query_views .= (empty($sql_query_views) ? 'DROP VIEW ' : ', ')
. Util::backquote($current);
} else {
$sql_query .= (empty($sql_query) ? 'DROP TABLE ' : ', ')
. Util::backquote($current);
}
$reload = 1;
break;
case 'check_tbl':
$sql_query .= (empty($sql_query) ? 'CHECK TABLE ' : ', ')
. Util::backquote($selected[$i]);
$execute_query_later = true;
break;
case 'optimize_tbl':
$sql_query .= (empty($sql_query) ? 'OPTIMIZE TABLE ' : ', ')
. Util::backquote($selected[$i]);
$execute_query_later = true;
break;
case 'analyze_tbl':
$sql_query .= (empty($sql_query) ? 'ANALYZE TABLE ' : ', ')
. Util::backquote($selected[$i]);
$execute_query_later = true;
break;
case 'checksum_tbl':
$sql_query .= (empty($sql_query) ? 'CHECKSUM TABLE ' : ', ')
. Util::backquote($selected[$i]);
$execute_query_later = true;
break;
case 'repair_tbl':
$sql_query .= (empty($sql_query) ? 'REPAIR TABLE ' : ', ')
. Util::backquote($selected[$i]);
$execute_query_later = true;
break;
case 'empty_tbl':
$deletes = true;
$aQuery = 'TRUNCATE ';
$aQuery .= Util::backquote($selected[$i]);
$run_parts = true;
break;
case 'add_prefix_tbl':
$newTableName = $_POST['add_prefix'] . $selected[$i];
// ADD PREFIX TO TABLE NAME
$aQuery = 'ALTER TABLE '
. Util::backquote($selected[$i])
. ' RENAME '
. Util::backquote($newTableName);
$run_parts = true;
break;
case 'replace_prefix_tbl':
$current = $selected[$i];
$subFromPrefix = mb_substr(
$current,
0,
mb_strlen((string) $from_prefix)
);
if ($subFromPrefix == $from_prefix) {
$newTableName = $to_prefix
. mb_substr(
$current,
mb_strlen((string) $from_prefix)
);
} else {
$newTableName = $current;
}
// CHANGE PREFIX PATTERN
$aQuery = 'ALTER TABLE '
. Util::backquote($selected[$i])
. ' RENAME '
. Util::backquote($newTableName);
$run_parts = true;
break;
case 'copy_tbl_change_prefix':
$run_parts = true;
$copyTable = true;
$current = $selected[$i];
$newTableName = $to_prefix .
mb_substr($current, mb_strlen((string) $from_prefix));
// COPY TABLE AND CHANGE PREFIX PATTERN
Table::moveCopy(
$db,
$current,
$db,
$newTableName,
'data',
false,
'one_table'
);
break;
case 'copy_tbl':
$run_parts = true;
$copyTable = true;
Table::moveCopy(
$db,
$selected[$i],
$_POST['target_db'],
$selected[$i],
$_POST['what'],
false,
'one_table'
);
if (isset($_POST['adjust_privileges']) && ! empty($_POST['adjust_privileges'])) {
$this->operations->adjustPrivilegesCopyTable(
$db,
$selected[$i],
$_POST['target_db'],
$selected[$i]
);
}
break;
}
// All "DROP TABLE", "DROP FIELD", "OPTIMIZE TABLE" and "REPAIR TABLE"
// statements will be run at once below
if (! $run_parts || $copyTable) {
continue;
}
$sql_query .= $aQuery . ';' . "\n";
$this->dbi->selectDb($db);
$this->dbi->query($aQuery);
if ($query_type != 'drop_tbl') {
continue;
}
$this->transformations->clear($db, $selected[$i]);
}
if ($deletes && ! empty($_REQUEST['pos'])) {
$sql = new Sql();
$_REQUEST['pos'] = $sql->calculatePosForLastPage(
$db,
$table,
$_REQUEST['pos'] ?? null
);
}
if ($query_type == 'drop_tbl') {
if (! empty($sql_query)) {
$sql_query .= ';';
} elseif (! empty($sql_query_views)) {
$sql_query = $sql_query_views . ';';
unset($sql_query_views);
}
}
// Unset cache values for tables count, issue #14205
if ($query_type === 'drop_tbl' && isset($_SESSION['tmpval'])) {
if (isset($_SESSION['tmpval']['table_limit_offset'])) {
unset($_SESSION['tmpval']['table_limit_offset']);
}
if (isset($_SESSION['tmpval']['table_limit_offset_db'])) {
unset($_SESSION['tmpval']['table_limit_offset_db']);
}
}
if ($execute_query_later) {
$sql = new Sql();
$sql->executeQueryAndSendQueryResponse(
null, // analyzed_sql_results
false, // is_gotofile
$db, // db
$table, // table
null, // find_real_end
null, // sql_query_for_bookmark
null, // extra_data
null, // message_to_show
null, // message
null, // sql_data
$goto, // goto
$pmaThemeImage, // pmaThemeImage
null, // disp_query
null, // disp_message
$query_type, // query_type
$sql_query, // sql_query
$selected, // selectedTables
null // complete_query
);
} elseif (! $run_parts) {
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if ($result && ! empty($sql_query_views)) {
$sql_query .= ' ' . $sql_query_views . ';';
$result = $this->dbi->tryQuery($sql_query_views);
unset($sql_query_views);
}
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
}
if ($query_type == 'drop_tbl' || $query_type == 'empty_tbl') {
Util::handleDisableFKCheckCleanup($default_fk_check_value);
}
} elseif (isset($submit_mult)
&& ($submit_mult == 'sync_unique_columns_central_list'
|| $submit_mult == 'delete_unique_columns_central_list'
|| $submit_mult == 'add_to_central_columns'
|| $submit_mult == 'remove_from_central_columns'
|| $submit_mult == 'make_consistent_with_central_list')
) {
if (isset($centralColsError) && $centralColsError !== true) {
$message = $centralColsError;
} else {
$message = Message::success(__('Success!'));
}
} else {
$message = Message::success(__('No change'));
}
if (! empty($_POST['message'])) {
return;
}
$_POST['message'] = Message::success();
}
/**
* Displays the list of tables
*
* @return string HTML
*/
protected function displayTableList(): string
{
$html = '';
// filtering
$html .= $this->template->render('filter', ['filter_value' => '']);
$i = $sum_entries = 0;
$overhead_check = false;
$create_time_all = '';
$update_time_all = '';
$check_time_all = '';
$num_columns = $GLOBALS['cfg']['PropertiesNumColumns'] > 1
? ceil($this->numTables / $GLOBALS['cfg']['PropertiesNumColumns']) + 1
: 0;
$row_count = 0;
$sum_size = 0;
$overhead_size = 0;
$hidden_fields = [];
$overall_approx_rows = false;
$structure_table_rows = [];
foreach ($this->tables as $keyname => $current_table) {
// Get valid statistics whatever is the table type
$drop_query = '';
$drop_message = '';
$overhead = '';
$input_class = ['checkall'];
// Sets parameters for links
$tableUrlParams = [
'db' => $this->db,
'table' => $current_table['TABLE_NAME'],
];
// do not list the previous table's size info for a view
[
$current_table,
$formatted_size,
$unit,
$formatted_overhead,
$overhead_unit,
$overhead_size,
$table_is_view,
$sum_size,
] = $this->getStuffForEngineTypeTable(
$current_table,
$sum_size,
$overhead_size
);
$curTable = $this->dbi
->getTable($this->db, $current_table['TABLE_NAME']);
if (! $curTable->isMerge()) {
$sum_entries += $current_table['TABLE_ROWS'];
}
$collationDefinition = '---';
if (isset($current_table['Collation'])) {
$tableCollation = Charsets::findCollationByName(
$this->dbi,
$GLOBALS['cfg']['Server']['DisableIS'],
$current_table['Collation']
);
if ($tableCollation !== null) {
$collationDefinition = $this->template->render('database/structure/collation_definition', [
'valueTitle' => $tableCollation->getDescription(),
'value' => $tableCollation->getName(),
]);
}
}
if ($this->isShowStats) {
$overhead = '-';
if ($formatted_overhead != '') {
$overhead = $this->template->render('database/structure/overhead', [
'table_url_params' => $tableUrlParams,
'formatted_overhead' => $formatted_overhead,
'overhead_unit' => $overhead_unit,
]);
$overhead_check = true;
$input_class[] = 'tbl-overhead';
}
}
if ($GLOBALS['cfg']['ShowDbStructureCharset']) {
$charset = '';
if (isset($tableCollation)) {
$charset = $tableCollation->getCharset();
}
}
if ($GLOBALS['cfg']['ShowDbStructureCreation']) {
$create_time = $current_table['Create_time'] ?? '';
if ($create_time
&& (! $create_time_all
|| $create_time < $create_time_all)
) {
$create_time_all = $create_time;
}
}
if ($GLOBALS['cfg']['ShowDbStructureLastUpdate']) {
$update_time = $current_table['Update_time'] ?? '';
if ($update_time
&& (! $update_time_all
|| $update_time < $update_time_all)
) {
$update_time_all = $update_time;
}
}
if ($GLOBALS['cfg']['ShowDbStructureLastCheck']) {
$check_time = $current_table['Check_time'] ?? '';
if ($check_time
&& (! $check_time_all
|| $check_time < $check_time_all)
) {
$check_time_all = $check_time;
}
}
$truename = $current_table['TABLE_NAME'];
$i++;
$row_count++;
if ($table_is_view) {
$hidden_fields[] = '<input type="hidden" name="views[]" value="'
. htmlspecialchars($current_table['TABLE_NAME']) . '">';
}
/*
* Always activate links for Browse, Search and Empty, even if
* the icons are greyed, because
* 1. for views, we don't know the number of rows at this point
* 2. for tables, another source could have populated them since the
* page was generated
*
* I could have used the PHP ternary conditional operator but I find
* the code easier to read without this operator.
*/
$may_have_rows = $current_table['TABLE_ROWS'] > 0 || $table_is_view;
$titles = Util::buildActionTitles();
if (! $this->dbIsSystemSchema) {
$drop_query = sprintf(