Update website

admin/phpMyAdmin/libraries/classes/ParseAnalyze.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Parse and analyse a SQL query
+ */
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin;
+
+use PhpMyAdmin\SqlParser\Utils\Query;
+
+use function count;
+use function strcasecmp;
+
+/**
+ * PhpMyAdmin\ParseAnalyze class
+ */
+class ParseAnalyze
+{
+    /**
+     * Calls the parser on a query
+     *
+     * @param string $sqlQuery the query to parse
+     * @param string $db       the current database
+     *
+     * @return array
+     */
+    public static function sqlQuery($sqlQuery, $db)
+    {
+        // @todo: move to returned results (also in all the calling chain)
+        $GLOBALS['unparsed_sql'] = $sqlQuery;
+
+        // Get details about the SQL query.
+        $analyzedSqlResults = Query::getAll($sqlQuery);
+
+        $table = '';
+
+        // If the targeted table (and database) are different than the ones that is
+        // currently browsed, edit `$db` and `$table` to match them so other elements
+        // (page headers, links, navigation panel) can be updated properly.
+        if (! empty($analyzedSqlResults['select_tables'])) {
+            // Previous table and database name is stored to check if it changed.
+            $previousDb = $db;
+
+            if (count($analyzedSqlResults['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 = $analyzedSqlResults['select_tables'][0][0];
+                if (! empty($analyzedSqlResults['select_tables'][0][1])) {
+                    $db = $analyzedSqlResults['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.
+            $response = ResponseRenderer::getInstance();
+            if (empty($analyzedSqlResults['reload']) && ! $response->isAjax()) {
+                // NOTE: Database names are case-insensitive.
+                $analyzedSqlResults['reload'] = strcasecmp($db, $previousDb) != 0;
+            }
+        }
+
+        return [
+            $analyzedSqlResults,
+            $db,
+            $table,
+        ];
+    }
+}