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77 lines
2.3 KiB
77 lines
2.3 KiB
2 years ago
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<?php
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/**
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* Parse and analyse a SQL query
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\SqlParser\Utils\Query;
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use function count;
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use function strcasecmp;
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/**
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* PhpMyAdmin\ParseAnalyze class
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*/
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class ParseAnalyze
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{
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/**
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* Calls the parser on a query
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*
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* @param string $sqlQuery the query to parse
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* @param string $db the current database
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*
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* @return array
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*/
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public static function sqlQuery($sqlQuery, $db)
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{
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// @todo: move to returned results (also in all the calling chain)
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$GLOBALS['unparsed_sql'] = $sqlQuery;
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// Get details about the SQL query.
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$analyzedSqlResults = Query::getAll($sqlQuery);
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$table = '';
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// If the targeted table (and database) are different than the ones that is
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// currently browsed, edit `$db` and `$table` to match them so other elements
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// (page headers, links, navigation panel) can be updated properly.
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if (! empty($analyzedSqlResults['select_tables'])) {
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// Previous table and database name is stored to check if it changed.
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$previousDb = $db;
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if (count($analyzedSqlResults['select_tables']) > 1) {
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/**
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* @todo if there are more than one table name in the Select:
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* - do not extract the first table name
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* - do not show a table name in the page header
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* - do not display the sub-pages links)
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*/
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$table = '';
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} else {
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$table = $analyzedSqlResults['select_tables'][0][0];
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if (! empty($analyzedSqlResults['select_tables'][0][1])) {
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$db = $analyzedSqlResults['select_tables'][0][1];
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}
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}
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// There is no point checking if a reload is required if we already decided
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// to reload. Also, no reload is required for AJAX requests.
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$response = ResponseRenderer::getInstance();
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if (empty($analyzedSqlResults['reload']) && ! $response->isAjax()) {
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// NOTE: Database names are case-insensitive.
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$analyzedSqlResults['reload'] = strcasecmp($db, $previousDb) != 0;
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}
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}
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return [
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$analyzedSqlResults,
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$db,
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$table,
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];
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}
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}
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