Leitgedanken/#pma/libraries/parse_analyze.lib.php
2022-11-21 09:47:28 +01:00

69 lines
2.1 KiB
PHP

<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Parse and analyse a SQL query
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Calls the parser on a query
*
* @param string $sql_query the query to parse
* @param string $db the current database
*
* @return array
*
* @access public
*/
function PMA_parseAnalyze($sql_query, $db)
{
// @todo: move to returned results (also in all the calling chain)
$GLOBALS['unparsed_sql'] = $sql_query;
// Get details about the SQL query.
$analyzed_sql_results = SqlParser\Utils\Query::getAll($sql_query);
extract($analyzed_sql_results);
$table = '';
// If the targeted table (and database) are different than the ones that is
// currently browsed, edit `$db` and `$table` to match them so other elements
// (page headers, links, navigation panel) can be updated properly.
if (!empty($analyzed_sql_results['select_tables'])) {
// Previous table and database name is stored to check if it changed.
$prev_db = $db;
if (count($analyzed_sql_results['select_tables']) > 1) {
/**
* @todo if there are more than one table name in the Select:
* - do not extract the first table name
* - do not show a table name in the page header
* - do not display the sub-pages links)
*/
$table = '';
} else {
$table = $analyzed_sql_results['select_tables'][0][0];
if (!empty($analyzed_sql_results['select_tables'][0][1])) {
$db = $analyzed_sql_results['select_tables'][0][1];
}
}
// There is no point checking if a reload is required if we already decided
// to reload. Also, no reload is required for AJAX requests.
if ((empty($reload)) && (empty($GLOBALS['is_ajax_request']))) {
// NOTE: Database names are case-insensitive.
$reload = strcasecmp($db, $prev_db) != 0;
}
// Updating the array.
$analyzed_sql_results['reload'] = $reload;
}
return array($analyzed_sql_results, $db, $table);
}