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Sql.php
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1841 lines (1646 loc) · 65.6 KB
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<?php
declare(strict_types=1);
namespace PhpMyAdmin;
use PhpMyAdmin\ConfigStorage\Features\BookmarkFeature;
use PhpMyAdmin\ConfigStorage\Relation;
use PhpMyAdmin\ConfigStorage\RelationCleanup;
use PhpMyAdmin\Dbal\ResultInterface;
use PhpMyAdmin\Display\Results as DisplayResults;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Html\MySQLDocumentation;
use PhpMyAdmin\Query\Generator as QueryGenerator;
use PhpMyAdmin\Query\Utilities;
use PhpMyAdmin\SqlParser\Components\Expression;
use PhpMyAdmin\SqlParser\Statements\AlterStatement;
use PhpMyAdmin\SqlParser\Statements\DropStatement;
use PhpMyAdmin\SqlParser\Statements\SelectStatement;
use PhpMyAdmin\SqlParser\Utils\Query;
use PhpMyAdmin\Utils\ForeignKey;
use function __;
use function array_find_key;
use function array_key_exists;
use function array_keys;
use function array_map;
use function assert;
use function bin2hex;
use function ceil;
use function count;
use function defined;
use function explode;
use function htmlspecialchars;
use function in_array;
use function is_array;
use function is_bool;
use function is_object;
use function is_string;
use function session_start;
use function session_write_close;
use function sprintf;
use function str_contains;
use function str_replace;
use function strtoupper;
use function ucwords;
/**
* Set of functions for the SQL executor
*/
class Sql
{
/** @var DatabaseInterface */
private $dbi;
/** @var Relation */
private $relation;
/** @var RelationCleanup */
private $relationCleanup;
/** @var Transformations */
private $transformations;
/** @var Operations */
private $operations;
/** @var Template */
private $template;
public function __construct(
DatabaseInterface $dbi,
Relation $relation,
RelationCleanup $relationCleanup,
Operations $operations,
Transformations $transformations,
Template $template
) {
$this->dbi = $dbi;
$this->relation = $relation;
$this->relationCleanup = $relationCleanup;
$this->operations = $operations;
$this->transformations = $transformations;
$this->template = $template;
}
/**
* Handle remembered sorting order, only for single table query
*
* @param string $db database name
* @param string $table table name
* @param array $analyzedSqlResults the analyzed query results
* @param string $fullSqlQuery SQL query
*/
private function handleSortOrder(
$db,
$table,
array &$analyzedSqlResults,
&$fullSqlQuery
): void {
$tableObject = new Table($table, $db);
if (empty($analyzedSqlResults['order'])) {
// Retrieving the name of the column we should sort after.
$sortCol = $tableObject->getUiProp(Table::PROP_SORTED_COLUMN);
if (empty($sortCol)) {
return;
}
// Remove the name of the table from the retrieved field name.
$sortCol = str_replace(
Util::backquote($table) . '.',
'',
$sortCol
);
// Create the new query.
$fullSqlQuery = Query::replaceClause(
$analyzedSqlResults['statement'],
$analyzedSqlResults['parser']->list,
'ORDER BY ' . $sortCol
);
// TODO: Avoid reparsing the query.
$analyzedSqlResults = Query::getAll($fullSqlQuery);
} else {
// Store the remembered table into session.
$tableObject->setUiProp(
Table::PROP_SORTED_COLUMN,
Query::getClause(
$analyzedSqlResults['statement'],
$analyzedSqlResults['parser']->list,
'ORDER BY'
)
);
}
}
/**
* Append limit clause to SQL query
*
* @param array $analyzedSqlResults the analyzed query results
*
* @return string limit clause appended SQL query
*/
private function getSqlWithLimitClause(array $analyzedSqlResults)
{
return Query::replaceClause(
$analyzedSqlResults['statement'],
$analyzedSqlResults['parser']->list,
'LIMIT ' . $_SESSION['tmpval']['pos'] . ', '
. $_SESSION['tmpval']['max_rows']
);
}
/**
* Verify whether the result set has columns from just one table
*
* @param array $fieldsMeta meta fields
*/
private function resultSetHasJustOneTable(array $fieldsMeta): bool
{
$justOneTable = true;
$prevTable = '';
foreach ($fieldsMeta as $oneFieldMeta) {
if ($oneFieldMeta->table != '' && $prevTable != '' && $oneFieldMeta->table != $prevTable) {
$justOneTable = false;
}
if ($oneFieldMeta->table == '') {
continue;
}
$prevTable = $oneFieldMeta->table;
}
return $justOneTable && $prevTable != '';
}
/**
* Verify whether the result set contains all the columns
* of at least one unique key
*
* @param string $db database name
* @param string $table table name
* @param array $fieldsMeta meta fields
*/
private function resultSetContainsUniqueKey(string $db, string $table, array $fieldsMeta): bool
{
if ($table === '') {
return false;
}
$columns = $this->dbi->getColumns($db, $table);
$resultSetColumnNames = [];
foreach ($fieldsMeta as $oneMeta) {
$resultSetColumnNames[] = $oneMeta->name;
}
foreach (Index::getFromTable($table, $db) as $index) {
if (! $index->isUnique()) {
continue;
}
$indexColumns = $index->getColumns();
$numberFound = 0;
foreach (array_keys($indexColumns) as $indexColumnName) {
if (
! in_array($indexColumnName, $resultSetColumnNames)
&& array_key_exists($indexColumnName, $columns)
&& ! str_contains($columns[$indexColumnName]['Extra'], 'INVISIBLE')
) {
continue;
}
$numberFound++;
}
if ($numberFound == count($indexColumns)) {
return true;
}
}
return false;
}
/**
* Get the HTML for relational column dropdown
* During grid edit, if we have a relational field, returns the html for the
* dropdown
*
* @param string $db current database
* @param string $table current table
* @param string $column current column
* @param string $currentValue current selected value
*
* @return string html for the dropdown
*/
public function getHtmlForRelationalColumnDropdown($db, $table, $column, $currentValue)
{
$foreigners = $this->relation->getForeigners($db, $table, $column);
$foreignData = $this->relation->getForeignData($foreigners, $column, false, '', '');
if ($foreignData['disp_row'] == null) {
//Handle the case when number of values
//is more than $cfg['ForeignKeyMaxLimit']
$urlParams = [
'db' => $db,
'table' => $table,
'field' => $column,
];
$dropdown = $this->template->render('sql/relational_column_dropdown', [
'current_value' => $_POST['curr_value'],
'params' => $urlParams,
]);
} else {
$dropdown = $this->relation->foreignDropdown(
$foreignData['disp_row'],
$foreignData['foreign_field'],
$foreignData['foreign_display'],
$currentValue,
$GLOBALS['cfg']['ForeignKeyMaxLimit']
);
$dropdown = '<select>' . $dropdown . '</select>';
}
return $dropdown;
}
/** @return array<string, int|array> */
private function getDetailedProfilingStats(array $profilingResults): array
{
$profiling = [
'total_time' => 0,
'states' => [],
'chart' => [],
'profile' => [],
];
foreach ($profilingResults as $oneResult) {
$status = ucwords($oneResult['Status']);
$profiling['total_time'] += $oneResult['Duration'];
$profiling['profile'][] = [
'status' => $status,
'duration' => Util::formatNumber($oneResult['Duration'], 3, 1),
'duration_raw' => $oneResult['Duration'],
];
if (! isset($profiling['states'][$status])) {
$profiling['states'][$status] = [
'total_time' => $oneResult['Duration'],
'calls' => 1,
];
$profiling['chart'][$status] = $oneResult['Duration'];
} else {
$profiling['states'][$status]['calls']++;
$profiling['states'][$status]['total_time'] += $oneResult['Duration'];
$profiling['chart'][$status] += $oneResult['Duration'];
}
}
return $profiling;
}
/**
* Get value of a column for a specific row (marked by $whereClause)
*/
public function getFullValuesForSetColumn(
string $db,
string $table,
string $column,
string $whereClause
): string {
$row = $this->dbi->fetchSingleRow(sprintf(
'SELECT `%s` FROM `%s`.`%s` WHERE %s',
$column,
$db,
$table,
$whereClause
));
if ($row === null) {
return '';
}
return $row[$column];
}
/**
* Get all the values for a enum column or set column in a table
*
* @param string $db current database
* @param string $table current table
* @param string $column current column
*
* @return array|null array containing the value list for the column, null on failure
*/
public function getValuesForColumn(string $db, string $table, string $column): ?array
{
$fieldInfoQuery = QueryGenerator::getColumnsSql($db, $table, $this->dbi->escapeString($column));
$fieldInfoResult = $this->dbi->fetchResult($fieldInfoQuery);
if (! isset($fieldInfoResult[0])) {
return null;
}
return Util::parseEnumSetValues($fieldInfoResult[0]['Type'], false);
}
/**
* Function to check whether to remember the sorting order or not
*
* @param array $analyzedSqlResults the analyzed query and other variables set
* after analyzing the query
*/
private function isRememberSortingOrder(array $analyzedSqlResults): bool
{
return isset($analyzedSqlResults['select_expr'], $analyzedSqlResults['select_tables'])
&& $GLOBALS['cfg']['RememberSorting']
&& ! ($analyzedSqlResults['is_count']
|| $analyzedSqlResults['is_export']
|| $analyzedSqlResults['is_func']
|| $analyzedSqlResults['is_analyse'])
&& $analyzedSqlResults['select_from']
&& (empty($analyzedSqlResults['select_expr'])
|| ((count($analyzedSqlResults['select_expr']) === 1)
&& ($analyzedSqlResults['select_expr'][0] === '*')))
&& count($analyzedSqlResults['select_tables']) === 1;
}
/**
* Function to check whether the LIMIT clause should be appended or not
*
* @param array $analyzedSqlResults the analyzed query and other variables set
* after analyzing the query
*/
private function isAppendLimitClause(array $analyzedSqlResults): bool
{
// Assigning LIMIT clause to an syntactically-wrong query
// is not needed. Also we would want to show the true query
// and the true error message to the query executor
return (isset($analyzedSqlResults['parser'])
&& count($analyzedSqlResults['parser']->errors) === 0)
&& ($_SESSION['tmpval']['max_rows'] !== 'all')
&& ! ($analyzedSqlResults['is_export']
|| $analyzedSqlResults['is_analyse'])
&& ($analyzedSqlResults['select_from']
|| $analyzedSqlResults['is_subquery'])
&& empty($analyzedSqlResults['limit']);
}
/**
* Function to check whether this query is for just browsing
*
* @param array<string, mixed> $analyzedSqlResults the analyzed query and other variables set
* after analyzing the query
* @param bool|null $findRealEnd whether the real end should be found
*/
public static function isJustBrowsing(array $analyzedSqlResults, ?bool $findRealEnd): bool
{
return ! $analyzedSqlResults['is_group']
&& ! $analyzedSqlResults['is_func']
&& empty($analyzedSqlResults['union'])
&& empty($analyzedSqlResults['distinct'])
&& $analyzedSqlResults['select_from']
&& (count($analyzedSqlResults['select_tables']) === 1)
&& (empty($analyzedSqlResults['statement']->where)
|| (count($analyzedSqlResults['statement']->where) === 1
&& $analyzedSqlResults['statement']->where[0]->expr === '1'))
&& empty($analyzedSqlResults['group'])
&& ! isset($findRealEnd)
&& ! $analyzedSqlResults['is_subquery']
&& ! $analyzedSqlResults['join']
&& empty($analyzedSqlResults['having']);
}
/**
* Function to check whether the related transformation information should be deleted
*
* @param array $analyzedSqlResults the analyzed query and other variables set
* after analyzing the query
*/
private function isDeleteTransformationInfo(array $analyzedSqlResults): bool
{
return ! empty($analyzedSqlResults['querytype'])
&& (($analyzedSqlResults['querytype'] === 'ALTER')
|| ($analyzedSqlResults['querytype'] === 'DROP'));
}
/**
* Function to check whether the user has rights to drop the database
*
* @param array $analyzedSqlResults the analyzed query and other variables set
* after analyzing the query
* @param bool $allowUserDropDatabase whether the user is allowed to drop db
* @param bool $isSuperUser whether this user is a superuser
*/
public function hasNoRightsToDropDatabase(
array $analyzedSqlResults,
$allowUserDropDatabase,
$isSuperUser
): bool {
return ! $allowUserDropDatabase
&& isset($analyzedSqlResults['drop_database'])
&& $analyzedSqlResults['drop_database']
&& ! $isSuperUser;
}
/**
* Function to set a column property
*
* @param Table $table Table instance
* @param string $requestIndex col_order|col_visib
*
* @return bool|Message
*/
public function setColumnProperty(Table $table, string $requestIndex)
{
$propertyValue = array_map('intval', explode(',', $_POST[$requestIndex]));
switch ($requestIndex) {
case 'col_order':
$propertyToSet = Table::PROP_COLUMN_ORDER;
break;
case 'col_visib':
$propertyToSet = Table::PROP_COLUMN_VISIB;
break;
default:
$propertyToSet = '';
}
return $table->setUiProp($propertyToSet, $propertyValue, $_POST['table_create_time'] ?? null);
}
/**
* Function to find the real end of rows
*
* @param string $db the current database
* @param string $table the current table
*
* @return mixed the number of rows if "retain" param is true, otherwise true
*/
public function findRealEndOfRows($db, $table)
{
$unlimNumRows = $this->dbi->getTable($db, $table)->countRecords(true);
$_SESSION['tmpval']['pos'] = $this->getStartPosToDisplayRow($unlimNumRows);
return $unlimNumRows;
}
/**
* Function to get the default sql query for browsing page
*
* @param string $db the current database
* @param string $table the current table
*
* @return string the default $sql_query for browse page
*/
public function getDefaultSqlQueryForBrowse($db, $table): string
{
$bookmark = Bookmark::get($this->dbi, $GLOBALS['cfg']['Server']['user'], $db, $table, 'label', false, true);
if ($bookmark !== null && $bookmark->getQuery() !== '') {
$GLOBALS['using_bookmark_message'] = Message::notice(
__('Using bookmark "%s" as default browse query.')
);
$GLOBALS['using_bookmark_message']->addParam($table);
$GLOBALS['using_bookmark_message']->addHtml(
MySQLDocumentation::showDocumentation('faq', 'faq6-22')
);
return $bookmark->getQuery();
}
$defaultOrderByClause = '';
if (
isset($GLOBALS['cfg']['TablePrimaryKeyOrder'])
&& ($GLOBALS['cfg']['TablePrimaryKeyOrder'] !== 'NONE')
) {
$primaryKey = null;
$primary = Index::getPrimary($table, $db);
if ($primary !== false) {
$primarycols = $primary->getColumns();
foreach ($primarycols as $col) {
$primaryKey = $col->getName();
break;
}
if ($primaryKey !== null) {
$defaultOrderByClause = ' ORDER BY '
. Util::backquote($table) . '.'
. Util::backquote($primaryKey) . ' '
. $GLOBALS['cfg']['TablePrimaryKeyOrder'];
}
}
}
return 'SELECT * FROM ' . Util::backquote($table) . $defaultOrderByClause;
}
/**
* Responds an error when an error happens when executing the query
*
* @param bool $isGotoFile whether goto file or not
* @param string $error error after executing the query
* @param string $fullSqlQuery full sql query
*/
private function handleQueryExecuteError($isGotoFile, $error, $fullSqlQuery): void
{
if ($isGotoFile) {
$message = Message::rawError($error);
$response = ResponseRenderer::getInstance();
$response->setRequestStatus(false);
$response->addJSON('message', $message);
} else {
Generator::mysqlDie($error, $fullSqlQuery, false);
}
exit;
}
/**
* Function to store the query as a bookmark
*
* @param string $db the current database
* @param string $bookmarkUser the bookmarking user
* @param string $sqlQueryForBookmark the query to be stored in bookmark
* @param string $bookmarkLabel bookmark label
* @param bool $bookmarkReplace whether to replace existing bookmarks
*/
public function storeTheQueryAsBookmark(
?BookmarkFeature $bookmarkFeature,
$db,
$bookmarkUser,
$sqlQueryForBookmark,
$bookmarkLabel,
bool $bookmarkReplace
): void {
$bfields = [
'bkm_database' => $db,
'bkm_user' => $bookmarkUser,
'bkm_sql_query' => $sqlQueryForBookmark,
'bkm_label' => $bookmarkLabel,
];
// Should we replace bookmark?
if ($bookmarkReplace && $bookmarkFeature !== null) {
$bookmarks = Bookmark::getList($bookmarkFeature, $this->dbi, $GLOBALS['cfg']['Server']['user'], $db);
foreach ($bookmarks as $bookmark) {
if ($bookmark->getLabel() != $bookmarkLabel) {
continue;
}
$bookmark->delete();
}
}
$bookmark = Bookmark::createBookmark(
$this->dbi,
$bfields,
isset($_POST['bkm_all_users'])
);
if ($bookmark === false) {
return;
}
$bookmark->save();
}
/**
* Function to get the affected or changed number of rows after executing a query
*
* @param bool $isAffected whether the query affected a table
* @param ResultInterface|false $result results of executing the query
*
* @return int|string number of rows affected or changed
* @psalm-return int|numeric-string
*/
private function getNumberOfRowsAffectedOrChanged($isAffected, $result)
{
if ($isAffected) {
return $this->dbi->affectedRows();
}
if ($result) {
return $result->numRows();
}
return 0;
}
/**
* Checks if the current database has changed
* This could happen if the user sends a query like "USE `database`;"
*
* @param string $db the database in the query
*
* @return bool whether to reload the navigation(1) or not(0)
*/
private function hasCurrentDbChanged(string $db): bool
{
if ($db === '') {
return false;
}
$currentDb = $this->dbi->fetchValue('SELECT DATABASE()');
// $current_db is false, except when a USE statement was sent
return ($currentDb != false) && ($db !== $currentDb);
}
/**
* If a table, database or column gets dropped, clean comments.
*
* @param string $db current database
* @param string $table current table
* @param string|null $column current column
* @param bool $purge whether purge set or not
*/
private function cleanupRelations(string $db, string $table, ?string $column, bool $purge): void
{
if (! $purge || $db === '') {
return;
}
if ($table !== '') {
if ($column !== null && $column !== '') {
$this->relationCleanup->column($db, $table, $column);
} else {
$this->relationCleanup->table($db, $table);
}
} else {
$this->relationCleanup->database($db);
}
}
/**
* Function to count the total number of rows for the same 'SELECT' query without
* the 'LIMIT' clause that may have been programmatically added
*
* @param int|string $numRows number of rows affected/changed by the query
* @param bool $justBrowsing whether just browsing or not
* @param string $db the current database
* @param string $table the current table
* @param array $analyzedSqlResults the analyzed query and other variables set after analyzing the query
* @psalm-param int|numeric-string $numRows
*
* @return int|string unlimited number of rows
* @psalm-return int|numeric-string
*/
private function countQueryResults(
$numRows,
bool $justBrowsing,
string $db,
string $table,
array $analyzedSqlResults
) {
/* Shortcut for not analyzed/empty query */
if ($analyzedSqlResults === []) {
return 0;
}
if (! $this->isAppendLimitClause($analyzedSqlResults)) {
// if we did not append a limit, set this to get a correct
// "Showing rows..." message
// $_SESSION['tmpval']['max_rows'] = 'all';
$unlimNumRows = $numRows;
} elseif ($_SESSION['tmpval']['max_rows'] > $numRows) {
// When user has not defined a limit in query and total rows in
// result are less than max_rows to display, there is no need
// to count total rows for that query again
$unlimNumRows = $_SESSION['tmpval']['pos'] + $numRows;
} elseif ($analyzedSqlResults['querytype'] === 'SELECT' || $analyzedSqlResults['is_subquery']) {
// c o u n t q u e r y
// If we are "just browsing", there is only one table (and no join),
// and no WHERE clause (or just 'WHERE 1 '),
// we do a quick count (which uses MaxExactCount) because
// SQL_CALC_FOUND_ROWS is not quick on large InnoDB tables
// However, do not count again if we did it previously
// due to $find_real_end == true
if ($justBrowsing) {
// Get row count (is approximate for InnoDB)
$unlimNumRows = $this->dbi->getTable($db, $table)->countRecords();
/**
* @todo Can we know at this point that this is InnoDB,
* (in this case there would be no need for getting
* an exact count)?
*/
if ($unlimNumRows < $GLOBALS['cfg']['MaxExactCount']) {
// Get the exact count if approximate count
// is less than MaxExactCount
/**
* @todo In countRecords(), MaxExactCount is also verified,
* so can we avoid checking it twice?
*/
$unlimNumRows = $this->dbi->getTable($db, $table)
->countRecords(true);
}
} else {
/** @var SelectStatement $statement */
$statement = $analyzedSqlResults['statement'];
assert($statement->options !== null);
/** @var int|null $noCacheIndex */
$noCacheIndex = array_find_key(
$statement->options->options,
/** @param mixed $value */
static function ($value): bool {
return is_string($value) && strtoupper($value) === 'SQL_NO_CACHE';
}
);
$changeOrder = $analyzedSqlResults['order'] !== false;
$changeLimit = $analyzedSqlResults['limit'] !== false;
$changeExpression = $analyzedSqlResults['is_group'] === false
&& $analyzedSqlResults['distinct'] === false
&& $analyzedSqlResults['union'] === false
&& count($statement->expr) === 1;
if ($changeOrder || $changeLimit || $changeExpression || $noCacheIndex !== null) {
$statement = clone $statement;
// Remove SQL_NO_CACHE from subquery because it is not valid sql
if ($noCacheIndex !== null) {
assert($statement->options !== null);
$statement->options = clone $statement->options;
unset($statement->options->options[$noCacheIndex]);
}
}
// Remove ORDER BY to decrease unnecessary sorting time
$statement->order = null;
// Removes LIMIT clause that might have been added
$statement->limit = null;
if ($changeExpression) {
$statement->expr[0] = new Expression();
$statement->expr[0]->expr = '1';
}
$countQuery = 'SELECT COUNT(*) FROM (' . $statement->build() . ' ) as cnt';
$unlimNumRows = $this->dbi->fetchValue($countQuery);
if ($unlimNumRows === false) {
$unlimNumRows = 0;
}
}
} else {// not $is_select
$unlimNumRows = 0;
}
return $unlimNumRows;
}
/**
* Function to handle all aspects relating to executing the query
*
* @param array $analyzedSqlResults analyzed sql results
* @param string $fullSqlQuery full sql query
* @param bool $isGotoFile whether to go to a file
* @param string $db current database
* @param string|null $table current table
* @param bool|null $findRealEnd whether to find the real end
* @param string|null $sqlQueryForBookmark sql query to be stored as bookmark
* @param array|null $extraData extra data
*
* @psalm-return array{
* ResultInterface|false|null,
* int|numeric-string,
* int|numeric-string,
* array<string, string>|null,
* array|null
* }
*/
private function executeTheQuery(
array $analyzedSqlResults,
$fullSqlQuery,
$isGotoFile,
string $db,
?string $table,
?bool $findRealEnd,
?string $sqlQueryForBookmark,
$extraData
): array {
$response = ResponseRenderer::getInstance();
$response->getHeader()->getMenu()->setTable($table ?? '');
// Only if we ask to see the php code
if (isset($GLOBALS['show_as_php'])) {
$result = null;
$numRows = 0;
$unlimNumRows = 0;
$profilingResults = null;
} else { // If we don't ask to see the php code
Profiling::enable($this->dbi);
if (! defined('TESTSUITE')) {
// close session in case the query takes too long
session_write_close();
}
$result = $this->dbi->tryQuery($fullSqlQuery);
$GLOBALS['querytime'] = $this->dbi->lastQueryExecutionTime;
if (! defined('TESTSUITE')) {
// reopen session but prevent PHP from sending the session cookie again
session_start(['use_cookies' => false]);
}
// Displays an error message if required and stop parsing the script
$error = $this->dbi->getError();
if ($error && $GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
$extraData['error'] = $error;
} elseif ($error) {
$this->handleQueryExecuteError($isGotoFile, $error, $fullSqlQuery);
}
// If there are no errors and bookmarklabel was given,
// store the query as a bookmark
if (! empty($_POST['bkm_label']) && $sqlQueryForBookmark) {
$bookmarkFeature = $this->relation->getRelationParameters()->bookmarkFeature;
$this->storeTheQueryAsBookmark(
$bookmarkFeature,
$db,
$bookmarkFeature !== null ? $GLOBALS['cfg']['Server']['user'] : '',
$sqlQueryForBookmark,
$_POST['bkm_label'],
isset($_POST['bkm_replace'])
);
}
// Gets the number of rows affected/returned
// (This must be done immediately after the query because
// mysql_affected_rows() reports about the last query done)
$numRows = $this->getNumberOfRowsAffectedOrChanged($analyzedSqlResults['is_affected'], $result);
$profilingResults = Profiling::getInformation($this->dbi);
$justBrowsing = self::isJustBrowsing($analyzedSqlResults, $findRealEnd ?? null);
$unlimNumRows = $this->countQueryResults($numRows, $justBrowsing, $db, $table ?? '', $analyzedSqlResults);
$this->cleanupRelations($db, $table ?? '', $_POST['dropped_column'] ?? null, ! empty($_POST['purge']));
if (
isset($_POST['dropped_column'])
&& $db !== '' && $table !== null && $table !== ''
) {
// to refresh the list of indexes (Ajax mode)
$indexes = Index::getFromTable($table, $db);
$indexesDuplicates = Index::findDuplicates($table, $db);
$template = new Template();
$extraData['indexes_list'] = $template->render('indexes', [
'url_params' => $GLOBALS['urlParams'],
'indexes' => $indexes,
'indexes_duplicates' => $indexesDuplicates,
]);
}
}
return [
$result,
$numRows,
$unlimNumRows,
$profilingResults,
$extraData,
];
}
/**
* Delete related transformation information
*
* @param string $db current database
* @param string $table current table
* @param array $analyzedSqlResults analyzed sql results
*/
private function deleteTransformationInfo(string $db, string $table, array $analyzedSqlResults): void
{
if (! isset($analyzedSqlResults['statement'])) {
return;
}
$statement = $analyzedSqlResults['statement'];
if ($statement instanceof AlterStatement) {
if (
! empty($statement->altered[0])
&& $statement->altered[0]->options->has('DROP')
&& ! empty($statement->altered[0]->field->column)
) {
$this->transformations->clear($db, $table, $statement->altered[0]->field->column);
}
} elseif ($statement instanceof DropStatement) {
$this->transformations->clear($db, $table);
}
}
/**
* Function to get the message for the no rows returned case
*
* @param string|null $messageToShow message to show
* @param array $analyzedSqlResults analyzed sql results
* @param int|string $numRows number of rows
*/
private function getMessageForNoRowsReturned(
?string $messageToShow,
array $analyzedSqlResults,
$numRows
): Message {
if ($analyzedSqlResults['querytype'] === 'DELETE') {
$message = Message::getMessageForDeletedRows($numRows);
} elseif ($analyzedSqlResults['is_insert']) {
if ($analyzedSqlResults['querytype'] === 'REPLACE') {
// For REPLACE we get DELETED + INSERTED row count,
// so we have to call it affected
$message = Message::getMessageForAffectedRows($numRows);
} else {
$message = Message::getMessageForInsertedRows($numRows);
}
$insertId = $this->dbi->insertId();
if ($insertId !== 0) {
// insert_id is id of FIRST record inserted in one insert,
// so if we inserted multiple rows, we had to increment this
$message->addText('[br]');
// need to use a temporary because the Message class
// currently supports adding parameters only to the first
// message
$inserted = Message::notice(__('Inserted row id: %1$d'));
$inserted->addParam($insertId + $numRows - 1);
$message->addMessage($inserted);
}
} elseif ($analyzedSqlResults['is_affected']) {
$message = Message::getMessageForAffectedRows($numRows);
// Ok, here is an explanation for the !$is_select.
// The form generated by PhpMyAdmin\SqlQueryForm
// and /database/sql has many submit buttons
// on the same form, and some confusion arises from the
// fact that $message_to_show is sent for every case.
// The $message_to_show containing a success message and sent with
// the form should not have priority over errors
} elseif ($messageToShow && $analyzedSqlResults['querytype'] !== 'SELECT') {
$message = Message::rawSuccess(htmlspecialchars($messageToShow));
} elseif (! empty($GLOBALS['show_as_php'])) {
$message = Message::success(__('Showing as PHP code'));
} elseif (isset($GLOBALS['show_as_php'])) {
/* User disable showing as PHP, query is only displayed */
$message = Message::notice(__('Showing SQL query'));
} else {
$message = Message::success(