fix: rimozione record orfani tabelle

Author: Pek5892

update/2_9_2.php

@@ -0,0 +1,52 @@
+<?php
+
+include __DIR__.'/../config.inc.php';
+
+// Ottiene tutte le foreign key con ON DELETE CASCADE
+$foreign_keys_query = "
+    SELECT
+        kcu.TABLE_NAME,
+        kcu.COLUMN_NAME,
+        kcu.REFERENCED_TABLE_NAME,
+        kcu.REFERENCED_COLUMN_NAME,
+        kcu.CONSTRAINT_NAME
+    FROM
+        information_schema.KEY_COLUMN_USAGE kcu
+    INNER JOIN
+        information_schema.REFERENTIAL_CONSTRAINTS rc
+        ON kcu.CONSTRAINT_NAME = rc.CONSTRAINT_NAME
+        AND kcu.CONSTRAINT_SCHEMA = rc.CONSTRAINT_SCHEMA
+    WHERE
+        kcu.CONSTRAINT_SCHEMA = DATABASE()
+        AND kcu.REFERENCED_TABLE_NAME IS NOT NULL
+        AND rc.DELETE_RULE = 'CASCADE'
+    ORDER BY
+        kcu.TABLE_NAME, kcu.COLUMN_NAME
+";
+
+$foreign_keys = $dbo->fetchArray($foreign_keys_query);
+
+// Per ogni foreign key, esegue la pulizia dei record orfani
+foreach ($foreign_keys as $fk) {
+    $table_name = $fk['TABLE_NAME'];
+    $column_name = $fk['COLUMN_NAME'];
+    $referenced_table = $fk['REFERENCED_TABLE_NAME'];
+    $referenced_column = $fk['REFERENCED_COLUMN_NAME'];
+
+    // Query per eliminare i record orfani
+    $delete_query = "
+        DELETE FROM `{$table_name}`
+        WHERE `{$column_name}` IS NOT NULL
+        AND `{$column_name}` NOT IN (
+            SELECT `{$referenced_column}`
+            FROM `{$referenced_table}`
+        )
+    ";
+
+    try {
+        $dbo->query($delete_query);
+    } catch (Exception $e) {
+        // Continua con la prossima foreign key in caso di errore
+        continue;
+    }
+}

update/2_9_2.sql

@@ -219,7 +219,7 @@ ALTER TABLE `my_impianti_contratti` CHANGE `idcontratto` `idcontratto` INT NOT N
 DELETE FROM `my_impianti_contratti` WHERE `idcontratto` NOT IN (SELECT `id` FROM `co_contratti`);
 ALTER TABLE `my_impianti_contratti` ADD CONSTRAINT `my_impianti_contratti_ibfk_2` FOREIGN KEY (`idcontratto`) REFERENCES `co_contratti`(`id`) ON DELETE CASCADE;
 
-DELETE FROM `my_impianti_componenti` WHERE `idimpianto` NOT IN (SELECT `id` FROM `my_impianti`);
+DELETE FROM `zz_otp_tokens` WHERE `id_utente` NOT IN (SELECT `id` FROM `zz_users`);
 ALTER TABLE `zz_otp_tokens` ADD CONSTRAINT `zz_otp_tokens_ibfk_1` FOREIGN KEY (`id_utente`) REFERENCES `zz_users`(`id`) ON DELETE CASCADE;
 
 DELETE FROM `zz_otp_tokens` WHERE `id_module_target` NOT IN (SELECT `id` FROM `zz_modules`);