CasperSecurity
<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers\Table;
use PhpMyAdmin\Charsets;
use PhpMyAdmin\CheckUserPrivileges;
use PhpMyAdmin\Config\PageSettings;
use PhpMyAdmin\Controllers\SqlController;
use PhpMyAdmin\Core;
use PhpMyAdmin\CreateAddField;
use PhpMyAdmin\Database\CentralColumns;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\DbTableExists;
use PhpMyAdmin\Engines\Innodb;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Index;
use PhpMyAdmin\Message;
use PhpMyAdmin\Operations;
use PhpMyAdmin\ParseAnalyze;
use PhpMyAdmin\Partition;
use PhpMyAdmin\Query\Utilities;
use PhpMyAdmin\Relation;
use PhpMyAdmin\RelationCleanup;
use PhpMyAdmin\Response;
use PhpMyAdmin\Sql;
use PhpMyAdmin\SqlParser\Context;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Statements\CreateStatement;
use PhpMyAdmin\StorageEngine;
use PhpMyAdmin\Table;
use PhpMyAdmin\Table\ColumnsDefinition;
use PhpMyAdmin\TablePartitionDefinition;
use PhpMyAdmin\Template;
use PhpMyAdmin\Tracker;
use PhpMyAdmin\Transformations;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use stdClass;
use function array_keys;
use function array_splice;
use function count;
use function implode;
use function in_array;
use function is_array;
use function is_string;
use function mb_strpos;
use function mb_strtoupper;
use function sprintf;
use function str_replace;
use function strlen;
use function strpos;
use function strrpos;
use function substr;
use function trim;
/**
* 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;
/**
* @param Response $response
* @param string $db Database name
* @param string $table Table name
* @param DatabaseInterface $dbi
*/
public function __construct(
$response,
Template $template,
$db,
$table,
Relation $relation,
Transformations $transformations,
CreateAddField $createAddField,
RelationCleanup $relationCleanup,
$dbi
) {
parent::__construct($response, $template, $db, $table);
$this->createAddField = $createAddField;
$this->relation = $relation;
$this->transformations = $transformations;
$this->relationCleanup = $relationCleanup;
$this->dbi = $dbi;
$this->tableObj = $this->dbi->getTable($this->db, $this->table);
}
public function index(): void
{
global $reread_info, $showtable, $db, $table, $cfg, $err_url;
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']);
$cfgRelation = $this->relation->getRelationsParam();
Util::checkParameters(['db', 'table']);
$isSystemSchema = Utilities::isSystemSchema($db);
$url_params = ['db' => $db, 'table' => $table];
$err_url = Util::getScriptNameForOption($cfg['DefaultTabTable'], 'table');
$err_url .= Url::getCommon($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 = (array) $this->dbi->getColumns(
$this->db,
$this->table,
null,
true
);
$this->response->addHTML($this->displayStructure(
$cfgRelation,
$columns_with_unique_index,
$primary,
$fields,
$columns_with_index,
$isSystemSchema
));
}
public function save(): void
{
$regenerate = $this->updateColumns();
if (! $regenerate) {
// continue to show the table's structure
unset($_POST['selected']);
}
$this->index();
}
public function addKey(): void
{
global $containerBuilder, $reload;
/** @var SqlController $controller */
$controller = $containerBuilder->get(SqlController::class);
$controller->index();
$reload = true;
$this->index();
}
public function browse(): void
{
global $PMA_Theme;
if (empty($_POST['selected_fld'])) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$this->displayTableBrowseForSelectedColumns(
$GLOBALS['goto'],
$PMA_Theme->getImgPath()
);
}
public function change(): void
{
if (isset($_GET['change_column'])) {
$this->displayHtmlForColumnChange(null);
return;
}
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$this->displayHtmlForColumnChange($selected);
}
public function addToCentralColumns(): void
{
global $sql_query, $message;
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$centralColumns = new CentralColumns($this->dbi);
$centralColsError = $centralColumns->syncUniqueColumns(
$selected,
false
);
if ($centralColsError instanceof Message) {
$message = $centralColsError;
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function removeFromCentralColumns(): void
{
global $sql_query, $db, $message;
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$centralColumns = new CentralColumns($this->dbi);
$centralColsError = $centralColumns->deleteColumnsFromList(
$db,
$selected,
false
);
if ($centralColsError instanceof Message) {
$message = $centralColsError;
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function fulltext(): void
{
global $sql_query, $db, $table, $message;
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$i = 1;
$selectedCount = count($selected);
$sql_query = 'ALTER TABLE ' . Util::backquote($table) . ' ADD FULLTEXT(';
foreach ($selected as $field) {
$sql_query .= Util::backquote($field);
$sql_query .= $i++ === $selectedCount ? ');' : ', ';
}
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function spatial(): void
{
global $sql_query, $db, $table, $message;
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$i = 1;
$selectedCount = count($selected);
$sql_query = 'ALTER TABLE ' . Util::backquote($table) . ' ADD SPATIAL(';
foreach ($selected as $field) {
$sql_query .= Util::backquote($field);
$sql_query .= $i++ === $selectedCount ? ');' : ', ';
}
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function unique(): void
{
global $sql_query, $db, $table, $message;
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$i = 1;
$selectedCount = count($selected);
$sql_query = 'ALTER TABLE ' . Util::backquote($table) . ' ADD UNIQUE(';
foreach ($selected as $field) {
$sql_query .= Util::backquote($field);
$sql_query .= $i++ === $selectedCount ? ');' : ', ';
}
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function addIndex(): void
{
global $sql_query, $db, $table, $message;
$selected = $_POST['selected_fld'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$i = 1;
$selectedCount = count($selected);
$sql_query = 'ALTER TABLE ' . Util::backquote($table) . ' ADD INDEX(';
foreach ($selected as $field) {
$sql_query .= Util::backquote($field);
$sql_query .= $i++ === $selectedCount ? ');' : ', ';
}
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function primary(): void
{
global $db, $table, $message, $sql_query, $url_params, $err_url, $cfg;
$selected = $_POST['selected'] ?? [];
$selected_fld = $_POST['selected_fld'] ?? [];
if (empty($selected) && empty($selected_fld)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$primary = $this->getKeyForTablePrimary();
if (empty($primary) && ! empty($selected_fld)) {
// no primary key, so we can safely create new
$mult_btn = __('Yes');
$selected = $selected_fld;
}
$mult_btn = $_POST['mult_btn'] ?? $mult_btn ?? '';
if (! empty($selected_fld) && ! empty($primary)) {
Util::checkParameters(['db', 'table']);
$url_params = ['db' => $db, 'table' => $table];
$err_url = Util::getScriptNameForOption($cfg['DefaultTabTable'], 'table');
$err_url .= Url::getCommon($url_params, '&');
DbTableExists::check();
$this->render('table/structure/primary', [
'db' => $db,
'table' => $table,
'selected' => $selected_fld,
]);
return;
}
if ($mult_btn === __('Yes')) {
$sql_query = 'ALTER TABLE ' . Util::backquote($table);
if (! empty($primary)) {
$sql_query .= ' DROP PRIMARY KEY,';
}
$sql_query .= ' ADD PRIMARY KEY(';
$i = 1;
$selectedCount = count($selected);
foreach ($selected as $field) {
$sql_query .= Util::backquote($field);
$sql_query .= $i++ === $selectedCount ? ');' : ', ';
}
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function drop(): void
{
global $db, $table, $message, $sql_query;
$selected = $_POST['selected'] ?? [];
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
$sql_query = '';
if (($_POST['mult_btn'] ?? '') === __('Yes')) {
$i = 1;
$selectedCount = count($selected);
$sql_query = 'ALTER TABLE ' . Util::backquote($table);
foreach ($selected as $field) {
$this->relationCleanup->column($db, $table, $field);
$sql_query .= ' DROP ' . Util::backquote($field);
$sql_query .= $i++ === $selectedCount ? ';' : ',';
}
$this->dbi->selectDb($db);
$result = $this->dbi->tryQuery($sql_query);
if (! $result) {
$message = Message::error((string) $this->dbi->getError());
}
}
if (empty($message)) {
$message = Message::success();
}
$this->index();
}
public function dropConfirm(): void
{
global $db, $table, $url_params, $err_url, $cfg;
$selected = $_POST['selected_fld'] ?? null;
if (empty($selected)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', __('No column selected.'));
return;
}
Util::checkParameters(['db', 'table']);
$url_params = ['db' => $db, 'table' => $table];
$err_url = Util::getScriptNameForOption($cfg['DefaultTabTable'], 'table');
$err_url .= Url::getCommon($url_params, '&');
DbTableExists::check();
$this->render('table/structure/drop_confirm', [
'db' => $db,
'table' => $table,
'fields' => $selected,
]);
}
/**
* Moves columns in the table's structure based on $_REQUEST
*/
public function moveColumns(): void
{
if (! isset($_POST['move_columns'])
|| ! is_array($_POST['move_columns'])
|| ! $this->response->isAjax()
) {
return;
}
$this->dbi->selectDb($this->db);
/**
* load the definitions for all columns
*/
$columns = $this->dbi->getColumnsFull($this->db, $this->table);
$column_names = array_keys($columns);
$changes = [];
// @see https://mariadb.com/kb/en/library/changes-improvements-in-mariadb-102/#information-schema
$usesLiteralNull = $this->dbi->isMariaDB() && $this->dbi->getVersion() >= 100200;
$defaultNullValue = $usesLiteralNull ? 'NULL' : null;
// move columns from first to last
for ($i = 0, $l = count($_POST['move_columns']); $i < $l; $i++) {
$column = $_POST['move_columns'][$i];
// is this column already correctly placed?
if ($column_names[$i] == $column) {
continue;
}
// it is not, let's move it to index $i
$data = $columns[$column];
$extracted_columnspec = Util::extractColumnSpec($data['Type']);
if (isset($data['Extra'])
&& $data['Extra'] === 'on update CURRENT_TIMESTAMP'
) {
$extracted_columnspec['attribute'] = $data['Extra'];
unset($data['Extra']);
}
$timeType = $data['Type'] === 'timestamp' || $data['Type'] === 'datetime';
$timeDefault = $data['Default'] === 'CURRENT_TIMESTAMP' || $data['Default'] === 'current_timestamp()';
$current_timestamp = $timeType && $timeDefault;
// @see https://mariadb.com/kb/en/library/information-schema-columns-table/#examples
if ($data['Null'] === 'YES' && in_array($data['Default'], [$defaultNullValue, null])) {
$default_type = 'NULL';
} elseif ($current_timestamp) {
$default_type = 'CURRENT_TIMESTAMP';
} elseif ($data['Default'] === null) {
$default_type = 'NONE';
} else {
$default_type = 'USER_DEFINED';
}
$virtual = [
'VIRTUAL',
'PERSISTENT',
'VIRTUAL GENERATED',
'STORED GENERATED',
];
$data['Virtuality'] = '';
$data['Expression'] = '';
if (isset($data['Extra']) && in_array($data['Extra'], $virtual)) {
$data['Virtuality'] = str_replace(' GENERATED', '', $data['Extra']);
$expressions = $this->tableObj->getColumnGenerationExpression($column);
$data['Expression'] = is_array($expressions) ? $expressions[$column] : null;
}
$changes[] = 'CHANGE ' . Table::generateAlter(
$column,
$column,
mb_strtoupper($extracted_columnspec['type']),
$extracted_columnspec['spec_in_brackets'],
$extracted_columnspec['attribute'],
$data['Collation'] ?? '',
$data['Null'] === 'YES' ? 'YES' : 'NO',
$default_type,
$current_timestamp ? '' : $data['Default'],
isset($data['Extra']) && $data['Extra'] !== '' ? $data['Extra']
: false,
isset($data['COLUMN_COMMENT']) && $data['COLUMN_COMMENT'] !== ''
? $data['COLUMN_COMMENT'] : false,
$data['Virtuality'],
$data['Expression'],
$i === 0 ? '-first' : $column_names[$i - 1]
);
// update current column_names array, first delete old position
for ($j = 0, $ll = count($column_names); $j < $ll; $j++) {
if ($column_names[$j] != $column) {
continue;
}
unset($column_names[$j]);
}
// insert moved column
array_splice($column_names, $i, 0, $column);
}
if (empty($changes) && ! isset($_REQUEST['preview_sql'])) { // should never happen
$this->response->setRequestStatus(false);
return;
}
// query for moving the columns
$sql_query = sprintf(
'ALTER TABLE %s %s',
Util::backquote($this->table),
implode(', ', $changes)
);
if (isset($_REQUEST['preview_sql'])) { // preview sql
$this->response->addJSON(
'sql_data',
$this->template->render('preview_sql', ['query_data' => $sql_query])
);
} else { // move column
$this->dbi->tryQuery($sql_query);
$tmp_error = $this->dbi->getError();
if (is_string($tmp_error)) {
$this->response->setRequestStatus(false);
$this->response->addJSON('message', Message::error($tmp_error));
} else {
$message = Message::success(
__('The columns have been moved successfully.')
);
$this->response->addJSON('message', $message);
$this->response->addJSON('columns', $column_names);
}
}
}
/**
* Displays HTML for changing one or more columns
*
* @param array|null $selected the selected columns
*/
protected function displayHtmlForColumnChange($selected): void
{
global $action, $num_fields;
if (empty($selected)) {
$selected[] = $_REQUEST['field'];
$selected_cnt = 1;
} else { // from a multiple submit
$selected_cnt = count($selected);
}
/**
* @todo optimize in case of multiple fields to modify
*/
$fields_meta = [];
for ($i = 0; $i < $selected_cnt; $i++) {
$value = $this->dbi->getColumns(
$this->db,
$this->table,
$selected[$i],
true
);
if (count($value) === 0) {
$message = Message::error(
__('Failed to get description of column %s!')
);
$message->addParam($selected[$i]);
$this->response->addHTML($message);
} else {
$fields_meta[] = $value;
}
}
$num_fields = count($fields_meta);
$action = Url::getFromRoute('/table/structure/save');
/**
* Form for changing properties.
*/
$checkUserPrivileges = new CheckUserPrivileges($this->dbi);
$checkUserPrivileges->getPrivileges();
$this->addScriptFiles(['vendor/jquery/jquery.uitablefilter.js', 'indexes.js']);
$templateData = ColumnsDefinition::displayForm(
$this->transformations,
$this->relation,
$this->dbi,
$action,
$num_fields,
null,
$selected,
$fields_meta
);
$this->render('columns_definitions/column_definitions_form', $templateData);
}
public function partitioning(): void
{
if (isset($_POST['save_partitioning'])) {
$this->dbi->selectDb($this->db);
$this->updatePartitioning();
$this->index();
return;
}
$pageSettings = new PageSettings('TableStructure');
$this->response->addHTML($pageSettings->getErrorHTML());
$this->response->addHTML($pageSettings->getHTML());
$this->addScriptFiles(['table/structure.js', 'indexes.js']);
$partitionDetails = null;
if (! isset($_POST['partition_by'])) {
$partitionDetails = $this->extractPartitionDetails();
}
$storageEngines = StorageEngine::getArray();
$partitionDetails = TablePartitionDefinition::getDetails($partitionDetails);
$this->render('table/structure/partition_definition_form', [
'db' => $this->db,
'table' => $this->table,
'partition_details' => $partitionDetails,
'storage_engines' => $storageEngines,
]);
}
/**
* Extracts partition details from CREATE TABLE statement
*
* @return array[]|null array of partition details
*/
private function extractPartitionDetails(): ?array
{
$createTable = (new Table($this->table, $this->db))->showCreate();
if (! $createTable) {
return null;
}
$parser = new Parser($createTable);
/**
* @var CreateStatement $stmt
*/
$stmt = $parser->statements[0];
$partitionDetails = [];
$partitionDetails['partition_by'] = '';
$partitionDetails['partition_expr'] = '';
$partitionDetails['partition_count'] = '';
if (! empty($stmt->partitionBy)) {
$openPos = strpos($stmt->partitionBy, '(');
$closePos = strrpos($stmt->partitionBy, ')');
$partitionDetails['partition_by']
= trim(substr($stmt->partitionBy, 0, $openPos));
$partitionDetails['partition_expr']
= trim(substr($stmt->partitionBy, $openPos + 1, $closePos - ($openPos + 1)));
if (isset($stmt->partitionsNum)) {
$count = $stmt->partitionsNum;
} else {
$count = count($stmt->partitions);
}
$partitionDetails['partition_count'] = $count;
}
$partitionDetails['subpartition_by'] = '';
$partitionDetails['subpartition_expr'] = '';
$partitionDetails['subpartition_count'] = '';
if (! empty($stmt->subpartitionBy)) {
$openPos = strpos($stmt->subpartitionBy, '(');
$closePos = strrpos($stmt->subpartitionBy, ')');
$partitionDetails['subpartition_by']
= trim(substr($stmt->subpartitionBy, 0, $openPos));
$partitionDetails['subpartition_expr']
= trim(substr($stmt->subpartitionBy, $openPos + 1, $closePos - ($openPos + 1)));
if (isset($stmt->subpartitionsNum)) {
$count = $stmt->subpartitionsNum;
} else {
$count = count($stmt->partitions[0]->subpartitions);
}
$partitionDetails['subpartition_count'] = $count;
}
// Only LIST and RANGE type parameters allow subpartitioning
$partitionDetails['can_have_subpartitions']
= $partitionDetails['partition_count'] > 1
&& ($partitionDetails['partition_by'] === 'RANGE'
|| $partitionDetails['partition_by'] === 'RANGE COLUMNS'
|| $partitionDetails['partition_by'] === 'LIST'
|| $partitionDetails['partition_by'] === 'LIST COLUMNS');
// Values are specified only for LIST and RANGE type partitions
$partitionDetails['value_enabled'] = isset($partitionDetails['partition_by'])
&& ($partitionDetails['partition_by'] === 'RANGE'
|| $partitionDetails['partition_by'] === 'RANGE COLUMNS'
|| $partitionDetails['partition_by'] === 'LIST'
|| $partitionDetails['partition_by'] === 'LIST COLUMNS');
$partitionDetails['partitions'] = [];
for ($i = 0, $iMax = (int) $partitionDetails['partition_count']; $i < $iMax; $i++) {
if (! isset($stmt->partitions[$i])) {
$partitionDetails['partitions'][$i] = [
'name' => 'p' . $i,
'value_type' => '',
'value' => '',
'engine' => '',
'comment' => '',
'data_directory' => '',
'index_directory' => '',
'max_rows' => '',
'min_rows' => '',
'tablespace' => '',
'node_group' => '',
];
} else {
$p = $stmt->partitions[$i];
$type = $p->type;
$expr = trim((string) $p->expr, '()');
if ($expr === 'MAXVALUE') {
$type .= ' MAXVALUE';
$expr = '';
}
$partitionDetails['partitions'][$i] = [
'name' => $p->name,
'value_type' => $type,
'value' => $expr,
'engine' => $p->options->has('ENGINE', true),
'comment' => trim((string) $p->options->has('COMMENT', true), "'"),
'data_directory' => trim((string) $p->options->has('DATA DIRECTORY', true), "'"),
'index_directory' => trim((string) $p->options->has('INDEX_DIRECTORY', true), "'"),
'max_rows' => $p->options->has('MAX_ROWS', true),
'min_rows' => $p->options->has('MIN_ROWS', true),
'tablespace' => $p->options->has('TABLESPACE', true),
'node_group' => $p->options->has('NODEGROUP', true),
];
}
$partition =& $partitionDetails['partitions'][$i];
$partition['prefix'] = 'partitions[' . $i . ']';
if ($partitionDetails['subpartition_count'] <= 1) {
continue;
}
$partition['subpartition_count'] = $partitionDetails['subpartition_count'];
$partition['subpartitions'] = [];
for ($j = 0, $jMax = (int) $partitionDetails['subpartition_count']; $j < $jMax; $j++) {
if (! isset($stmt->partitions[$i]->subpartitions[$j])) {
$partition['subpartitions'][$j] = [
'name' => $partition['name'] . '_s' . $j,
'engine' => '',
'comment' => '',
'data_directory' => '',
'index_directory' => '',
'max_rows' => '',
'min_rows' => '',
'tablespace' => '',
'node_group' => '',
];
} else {
$sp = $stmt->partitions[$i]->subpartitions[$j];
$partition['subpartitions'][$j] = [
'name' => $sp->name,
'engine' => $sp->options->has('ENGINE', true),
'comment' => trim((string) $sp->options->has('COMMENT', true), "'"),
'data_directory' => trim((string) $sp->options->has('DATA DIRECTORY', true), "'"),
'index_directory' => trim((string) $sp->options->has('INDEX_DIRECTORY', true), "'"),
'max_rows' => $sp->options->has('MAX_ROWS', true),
'min_rows' => $sp->options->has('MIN_ROWS', true),
'tablespace' => $sp->options->has('TABLESPACE', true),
'node_group' => $sp->options->has('NODEGROUP', true),
];
}
$subpartition =& $partition['subpartitions'][$j];
$subpartition['prefix'] = 'partitions[' . $i . ']'
. '[subpartitions][' . $j . ']';
}
}
return $partitionDetails;
}
private function updatePartitioning(): void
{
$sql_query = 'ALTER TABLE ' . Util::backquote($this->table) . ' '
. $this->createAddField->getPartitionsDefinition();
// Execute alter query
$result = $this->dbi->tryQuery($sql_query);
if ($result === false) {
$this->response->setRequestStatus(false);
$this->response->addJSON(
'message',
Message::rawError(
__('Query error') . ':<br>' . $this->dbi->getError()
)
);
return;
}
$message = Message::success(
__('Table %1$s has been altered successfully.')
);
$message->addParam($this->table);
$this->response->addHTML(
Generator::getMessage($message, $sql_query, 'success')
);
}
/**
* Function to display table browse for selected columns
*
* @param string $goto goto page url
* @param string $themeImagePath URI of the pma theme image
*
* @return void
*/
protected function displayTableBrowseForSelectedColumns($goto, $themeImagePath)
{
$GLOBALS['active_page'] = Url::getFromRoute('/sql');
$fields = [];
foreach ($_POST['selected_fld'] as $sval) {
$fields[] = Util::backquote($sval);
}
$sql_query = sprintf(
'SELECT %s FROM %s.%s',
implode(', ', $fields),
Util::backquote($this->db),
Util::backquote($this->table)
);
// Parse and analyze the query
$db = &$this->db;
[
$analyzed_sql_results,
$db,
] = ParseAnalyze::sqlQuery($sql_query, $db);
$sql = new Sql(
$this->dbi,
$this->relation,
$this->relationCleanup,
new Operations($this->dbi, $this->relation),
$this->transformations,
$this->template
);
$this->response->addHTML(
$sql->executeQueryAndGetQueryResponse(
$analyzed_sql_results ?? '',
false, // is_gotofile
$this->db, // db
$this->table, // table
null, // find_real_end
null, // sql_query_for_bookmark
null, // extra_data
null, // message_to_show
null, // sql_data
$goto, // goto
$themeImagePath,
null, // disp_query
null, // disp_message
$sql_query, // sql_query
null // complete_query
)
);
}
/**
* Update the table's structure based on $_REQUEST
*
* @return bool true if error occurred
*/
protected function updateColumns()
{
$err_url = Url::getFromRoute('/table/structure', [
'db' => $this->db,
'table' => $this->table,
]);
$regenerate = false;
$field_cnt = count($_POST['field_name'] ?? []);
$changes = [];
$adjust_privileges = [];
$columns_with_index = $this->dbi
->getTable($this->db, $this->table)
->getColumnsWithIndex(
Index::PRIMARY | Index::UNIQUE
);
for ($i = 0; $i < $field_cnt; $i++) {
if (! $this->columnNeedsAlterTable($i)) {
continue;
}
$changes[] = 'CHANGE ' . Table::generateAlter(
Util::getValueByKey($_POST, "field_orig.${i}", ''),
$_POST['field_name'][$i],
$_POST['field_type'][$i],
$_POST['field_length'][$i],
$_POST['field_attribute'][$i],
Util::getValueByKey($_POST, "field_collation.${i}", ''),
Util::getValueByKey($_POST, "field_null.${i}", 'NO'),
$_POST['field_default_type'][$i],
$_POST['field_default_value'][$i],
Util::getValueByKey($_POST, "field_extra.${i}", false),
Util::getValueByKey($_POST, "field_comments.${i}", ''),
Util::getValueByKey($_POST, "field_virtuality.${i}", ''),
Util::getValueByKey($_POST, "field_expression.${i}", ''),
Util::getValueByKey($_POST, "field_move_to.${i}", ''),
$columns_with_index
);
// find the remembered sort expression
$sorted_col = $this->tableObj->getUiProp(
Table::PROP_SORTED_COLUMN
);
// if the old column name is part of the remembered sort expression
if (mb_strpos(
(string) $sorted_col,
Util::backquote($_POST['field_orig'][$i])
) !== false) {
// delete the whole remembered sort expression
$this->tableObj->removeUiProp(Table::PROP_SORTED_COLUMN);
}
if (! isset($_POST['field_adjust_privileges'][$i])
|| empty($_POST['field_adjust_privileges'][$i])
|| $_POST['field_orig'][$i] == $_POST['field_name'][$i]
) {
continue;
}
$adjust_privileges[$_POST['field_orig'][$i]]
= $_POST['field_name'][$i];
}
if (count($changes) > 0 || isset($_POST['preview_sql'])) {
// Builds the primary keys statements and updates the table
$key_query = '';
/**
* this is a little bit more complex
*
* @todo if someone selects A_I when altering a column we need to check:
* - no other column with A_I
* - the column has an index, if not create one
*/
// To allow replication, we first select the db to use
// and then run queries on this db.
if (! $this->dbi->selectDb($this->db)) {
Generator::mysqlDie(
$this->dbi->getError(),
'USE ' . Util::backquote($this->db) . ';',
false,
$err_url
);
}
$sql_query = 'ALTER TABLE ' . Util::backquote($this->table) . ' ';
$sql_query .= implode(', ', $changes) . $key_query;
if (isset($_POST['online_transaction'])) {
$sql_query .= ', ALGORITHM=INPLACE, LOCK=NONE';
}
$sql_query .= ';';
// If there is a request for SQL previewing.
if (isset($_POST['preview_sql'])) {
Core::previewSQL(count($changes) > 0 ? $sql_query : '');
exit;
}
$columns_with_index = $this->dbi
->getTable($this->db, $this->table)
->getColumnsWithIndex(
Index::PRIMARY | Index::UNIQUE | Index::INDEX
| Index::SPATIAL | Index::FULLTEXT
);
$changedToBlob = [];
// While changing the Column Collation
// First change to BLOB
for ($i = 0; $i < $field_cnt; $i++) {
if (isset($_POST['field_collation'][$i], $_POST['field_collation_orig'][$i])
&& $_POST['field_collation'][$i] !== $_POST['field_collation_orig'][$i]
&& ! in_array($_POST['field_orig'][$i], $columns_with_index)
) {
$secondary_query = 'ALTER TABLE ' . Util::backquote(
$this->table
)
. ' CHANGE ' . Util::backquote(
$_POST['field_orig'][$i]
)
. ' ' . Util::backquote($_POST['field_orig'][$i])
. ' BLOB';
if (isset($_POST['field_virtuality'][$i], $_POST['field_expression'][$i])) {
if ($_POST['field_virtuality'][$i]) {
$secondary_query .= ' AS (' . $_POST['field_expression'][$i] . ') '
. $_POST['field_virtuality'][$i];
}
}
$secondary_query .= ';';
$this->dbi->query($secondary_query);
$changedToBlob[$i] = true;
} else {
$changedToBlob[$i] = false;
}
}
// Then make the requested changes
$result = $this->dbi->tryQuery($sql_query);
if ($result !== false) {
$changed_privileges = $this->adjustColumnPrivileges(
$adjust_privileges
);
if ($changed_privileges) {
$message = Message::success(
__(
'Table %1$s has been altered successfully. Privileges ' .
'have been adjusted.'
)
);
} else {
$message = Message::success(
__('Table %1$s has been altered successfully.')
);
}
$message->addParam($this->table);
$this->response->addHTML(
Generator::getMessage($message, $sql_query, 'success')
);
} else {
// An error happened while inserting/updating a table definition
// Save the Original Error
$orig_error = $this->dbi->getError();
$changes_revert = [];
// Change back to Original Collation and data type
for ($i = 0; $i < $field_cnt; $i++) {
if (! $changedToBlob[$i]) {
continue;
}
$changes_revert[] = 'CHANGE ' . Table::generateAlter(
Util::getValueByKey($_POST, "field_orig.${i}", ''),
$_POST['field_name'][$i],
$_POST['field_type_orig'][$i],
$_POST['field_length_orig'][$i],
$_POST['field_attribute_orig'][$i],
Util::getValueByKey($_POST, "field_collation_orig.${i}", ''),
Util::getValueByKey($_POST, "field_null_orig.${i}", 'NO'),
$_POST['field_default_type_orig'][$i],
$_POST['field_default_value_orig'][$i],
Util::getValueByKey($_POST, "field_extra_orig.${i}", false),
Util::getValueByKey($_POST, "field_comments_orig.${i}", ''),
Util::getValueByKey($_POST, "field_virtuality_orig.${i}", ''),
Util::getValueByKey($_POST, "field_expression_orig.${i}", ''),
Util::getValueByKey($_POST, "field_move_to_orig.${i}", '')
);
}
$revert_query = 'ALTER TABLE ' . Util::backquote($this->table)
. ' ';
$revert_query .= implode(', ', $changes_revert) . '';
$revert_query .= ';';
// Column reverted back to original
$this->dbi->query($revert_query);
$this->response->setRequestStatus(false);
$this->response->addJSON(
'message',
Message::rawError(
__('Query error') . ':<br>' . $orig_error
)
);
$regenerate = true;
}
}
// update field names in relation
if (isset($_POST['field_orig']) && is_array($_POST['field_orig'])) {
foreach ($_POST['field_orig'] as $fieldindex => $fieldcontent) {
if ($_POST['field_name'][$fieldindex] == $fieldcontent) {
continue;
}
$this->relation->renameField(
$this->db,
$this->table,
$fieldcontent,
$_POST['field_name'][$fieldindex]
);
}
}
// update mime types
if (isset($_POST['field_mimetype'])
&& is_array($_POST['field_mimetype'])
&& $GLOBALS['cfg']['BrowseMIME']
) {
foreach ($_POST['field_mimetype'] as $fieldindex => $mimetype) {
if (! isset($_POST['field_name'][$fieldindex])
|| strlen($_POST['field_name'][$fieldindex]) <= 0
) {
continue;
}
$this->transformations->setMime(
$this->db,
$this->table,
$_POST['field_name'][$fieldindex],
$mimetype,
$_POST['field_transformation'][$fieldindex],
$_POST['field_transformation_options'][$fieldindex],
$_POST['field_input_transformation'][$fieldindex],
$_POST['field_input_transformation_options'][$fieldindex]
);
}
}
return $regenerate;
}
/**
* Adjusts the Privileges for all the columns whose names have changed
*
* @param array $adjust_privileges assoc array of old col names mapped to new
* cols
*
* @return bool boolean whether at least one column privileges
* adjusted
*/
protected function adjustColumnPrivileges(array $adjust_privileges)
{
$changed = false;
if (Util::getValueByKey($GLOBALS, 'col_priv', false)
&& Util::getValueByKey($GLOBALS, 'is_reload_priv', false)
) {
$this->dbi->selectDb('mysql');
// For Column specific privileges
foreach ($adjust_privileges as $oldCol => $newCol) {
$this->dbi->query(
sprintf(
'UPDATE %s SET Column_name = "%s"
WHERE Db = "%s"
AND Table_name = "%s"
AND Column_name = "%s";',
Util::backquote('columns_priv'),
$newCol,
$this->db,
$this->table,
$oldCol
)
);
// i.e. if atleast one column privileges adjusted
$changed = true;
}
if ($changed) {
// Finally FLUSH the new privileges
$this->dbi->query('FLUSH PRIVILEGES;');
}
}
return $changed;
}
/**
* Verifies if some elements of a column have changed
*
* @param int $i column index in the request
*
* @return bool true if we need to generate ALTER TABLE
*/
protected function columnNeedsAlterTable($i)
{
// these two fields are checkboxes so might not be part of the
// request; therefore we define them to avoid notices below
if (! isset($_POST['field_null'][$i])) {
$_POST['field_null'][$i] = 'NO';
}
if (! isset($_POST['field_extra'][$i])) {
$_POST['field_extra'][$i] = '';
}
// field_name does not follow the convention (corresponds to field_orig)
if ($_POST['field_name'][$i] != $_POST['field_orig'][$i]) {
return true;
}
$fields = [
'field_attribute',
'field_collation',
'field_comments',
'field_default_value',
'field_default_type',
'field_extra',
'field_length',
'field_null',
'field_type',
];
foreach ($fields as $field) {
if ($_POST[$field][$i] != $_POST[$field . '_orig'][$i]) {
return true;
}
}
return ! empty($_POST['field_move_to'][$i]);
}
/**
* Displays the table structure ('show table' works correct since 3.23.03)
*
* @param array $cfgRelation current relation parameters
* @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(
array $cfgRelation,
array $columns_with_unique_index,
$primary_index,
array $fields,
array $columns_with_index,
bool $isSystemSchema
) {
global $route, $tbl_is_view, $tbl_storage_engine, $PMA_Theme;
// prepare comments
$comments_map = [];
$mime_map = [];
if ($GLOBALS['cfg']['ShowPropertyComments']) {
$comments_map = $this->relation->getComments($this->db, $this->table);
if ($cfgRelation['mimework'] && $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
$hideStructureActions = false;
if ($GLOBALS['cfg']['HideStructureActions'] === true) {
$hideStructureActions = true;
}
// 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 (strpos($field['Extra'], 'on update CURRENT_TIMESTAMP') !== false) {
$attributes[$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' => $collations,
'is_foreign_key_supported' => Util::isForeignKeySupported($engine),
'indexes' => Index::getFromTable($this->table, $this->db),
'indexes_duplicates' => Index::findDuplicates($this->table, $this->db),
'cfg_relation' => $this->relation->getRelationsParam(),
'hide_structure_actions' => $hideStructureActions,
'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'],
'relation_commwork' => $GLOBALS['cfgRelation']['commwork'],
'relation_mimework' => $GLOBALS['cfgRelation']['mimework'],
'central_columns_work' => $GLOBALS['cfgRelation']['centralcolumnswork'],
'mysql_int_version' => $this->dbi->getVersion(),
'is_mariadb' => $this->dbi->isMariaDB(),
'theme_image_path' => $PMA_Theme->getImgPath(),
'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,
$decimals
);
if ($table_info_num_rows > 0) {
[$avg_size, $avg_unit] = Util::formatByteDown(
($showtable['Data_length']
+ $showtable['Index_length'])
/ $showtable['Rows'],
6,
1
);
} else {
$avg_size = $avg_unit = '';
}
/** @var Innodb $innodbEnginePlugin */
$innodbEnginePlugin = StorageEngine::getEngine('Innodb');
$innodb_file_per_table = $innodbEnginePlugin->supportsFilePerTable();
$engine = $this->dbi->getTable($this->db, $this->table)->getStorageEngine();
$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' => $GLOBALS['table'],
'is_foreign_key_supported' => Util::isForeignKeySupported($engine),
'cfg_relation' => $this->relation->getRelationsParam(),
'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,
]);
}
/**
* Gets table primary key
*
* @return string
*/
protected function getKeyForTablePrimary()
{
$this->dbi->selectDb($this->db);
$result = $this->dbi->query(
'SHOW KEYS FROM ' . Util::backquote($this->table) . ';'
);
$primary = '';
while ($row = $this->dbi->fetchAssoc($result)) {
// Backups the list of primary keys
if (! is_array($row) || $row['Key_name'] !== 'PRIMARY') {
continue;
}
$primary .= $row['Column_name'] . ', ';
}
$this->dbi->freeResult($result);
return $primary;
}
/**
* Handles MySQL reserved words columns check.
*/
public function reservedWordCheck(): void
{
if ($GLOBALS['cfg']['ReservedWordDisableWarning'] !== false) {
$this->response->setRequestStatus(false);
return;
}
$columns_names = $_POST['field_name'];
$reserved_keywords_names = [];
foreach ($columns_names as $column) {
if (! Context::isKeyword(trim($column), true)) {
continue;
}
$reserved_keywords_names[] = trim($column);
}
if (Context::isKeyword(trim($this->table), true)) {
$reserved_keywords_names[] = trim($this->table);
}
if (count($reserved_keywords_names) === 0) {
$this->response->setRequestStatus(false);
}
$this->response->addJSON(
'message',
sprintf(
_ngettext(
'The name \'%s\' is a MySQL reserved keyword.',
'The names \'%s\' are MySQL reserved keywords.',
count($reserved_keywords_names)
),
implode(',', $reserved_keywords_names)
)
);
}
}