diff --git a/database/migrations/2025_07_17_210001_create_codice_univoco_triggers_alternative.php b/database/migrations/2025_07_17_210001_create_codice_univoco_triggers_alternative.php
index 8a10504..2085b3d 100755
--- a/database/migrations/2025_07_17_210001_create_codice_univoco_triggers_alternative.php
+++ b/database/migrations/2025_07_17_210001_create_codice_univoco_triggers_alternative.php
@@ -56,10 +56,12 @@ public function up(): void
         // Aggiornare i record esistenti che non hanno codice_univoco
         try {
             // Per amministratori
-            $amministratori = DB::table('amministratori')->whereNull('codice_univoco')->orWhere('codice_univoco', '')->get();
-            foreach ($amministratori as $admin) {
-                $codice = $this->generateCodiceUnivocoPhp('amministratori');
-                DB::table('amministratori')->where('id', $admin->id)->update(['codice_univoco' => $codice]);
+            if (DB::getSchemaBuilder()->hasColumn('amministratori', 'codice_univoco')) {
+                $amministratori = DB::table('amministratori')->whereNull('codice_univoco')->orWhere('codice_univoco', '')->get();
+                foreach ($amministratori as $admin) {
+                    $codice = $this->generateCodiceUnivocoPhp('amministratori');
+                    DB::table('amministratori')->where('id', $admin->id)->update(['codice_univoco' => $codice]);
+                }
             }
             
             // Per users (se la colonna esiste)
diff --git a/database/migrations/2025_07_22_103312_add_new_columns_to_unita_immobiliari_table.php b/database/migrations/2025_07_22_103312_add_new_columns_to_unita_immobiliari_table.php
index d6d7e1d..3266f1d 100755
--- a/database/migrations/2025_07_22_103312_add_new_columns_to_unita_immobiliari_table.php
+++ b/database/migrations/2025_07_22_103312_add_new_columns_to_unita_immobiliari_table.php
@@ -253,6 +253,9 @@ public function up(): void
                 $hasFk  = false;
                 if ($conn->getDriverName() === 'sqlite') {
                     $hasFk = false;
+                } elseif ($conn->getDriverName() === 'pgsql') {
+                    $exists = $conn->selectOne("SELECT COUNT(*) AS c FROM information_schema.table_constraints tc JOIN information_schema.key_column_usage kcu ON tc.constraint_name = kcu.constraint_name WHERE tc.constraint_type = 'FOREIGN KEY' AND tc.table_name = 'unita_immobiliari' AND kcu.column_name = 'palazzina_id'");
+                    $hasFk  = isset($exists->c) ? ((int) $exists->c > 0) : false;
                 } else {
                     $exists = $conn->selectOne("SELECT COUNT(*) AS c FROM information_schema.KEY_COLUMN_USAGE WHERE TABLE_SCHEMA = ? AND TABLE_NAME = 'unita_immobiliari' AND COLUMN_NAME = 'palazzina_id' AND REFERENCED_TABLE_NAME IS NOT NULL", [$dbName]);
                     $hasFk  = isset($exists->c) ? ((int) $exists->c > 0) : false;
@@ -270,6 +273,9 @@ public function up(): void
                 if ($conn->getDriverName() === 'sqlite') {
                     $indexes = collect($conn->select("PRAGMA index_list(unita_immobiliari)"));
                     $hasIdx = $indexes->pluck('name')->contains('unita_immobiliari_codice_unita_unique');
+                } elseif ($conn->getDriverName() === 'pgsql') {
+                    $indexes = collect($conn->select("SELECT indexname FROM pg_indexes WHERE tablename = 'unita_immobiliari'"));
+                    $hasIdx = $indexes->pluck('indexname')->contains('unita_immobiliari_codice_unita_unique');
                 } else {
                     $idx    = $conn->selectOne("SELECT COUNT(*) AS c FROM information_schema.statistics WHERE TABLE_SCHEMA = ? AND TABLE_NAME = 'unita_immobiliari' AND INDEX_NAME = 'unita_immobiliari_codice_unita_unique'", [$dbName]);
                     $hasIdx = isset($idx->c) ? ((int) $idx->c > 0) : false;
diff --git a/database/migrations/2025_12_14_170000_create_contabilita_fatture_fornitori_tables.php b/database/migrations/2025_12_14_170000_create_contabilita_fatture_fornitori_tables.php
index fe45a0b..a744ee1 100755
--- a/database/migrations/2025_12_14_170000_create_contabilita_fatture_fornitori_tables.php
+++ b/database/migrations/2025_12_14_170000_create_contabilita_fatture_fornitori_tables.php
@@ -23,6 +23,14 @@ private function indexExists(string $table, string $indexName): bool
             return false;
         }
 
+        if (DB::connection()->getDriverName() === 'pgsql') {
+            $row = DB::selectOne(
+                "SELECT 1 AS ok FROM pg_indexes WHERE tablename = ? AND indexname = ? LIMIT 1",
+                [$table, $indexName]
+            );
+            return (bool) ($row?->ok ?? false);
+        }
+
         $row = DB::selectOne(
             'SELECT 1 AS ok FROM information_schema.statistics WHERE table_schema = DATABASE() AND table_name = ? AND index_name = ? LIMIT 1',
             [$table, $indexName],
diff --git a/database/migrations/2026_06_03_171500_scope_unita_codes_by_stabile.php b/database/migrations/2026_06_03_171500_scope_unita_codes_by_stabile.php
index 197714c..a6e7a63 100755
--- a/database/migrations/2026_06_03_171500_scope_unita_codes_by_stabile.php
+++ b/database/migrations/2026_06_03_171500_scope_unita_codes_by_stabile.php
@@ -57,6 +57,14 @@ private function indexExists(string $table, string $index): bool
             return false;
         }
 
+        if (DB::connection()->getDriverName() === 'pgsql') {
+            $row = DB::selectOne(
+                "SELECT COUNT(*) AS c FROM pg_indexes WHERE tablename = ? AND indexname = ?",
+                [$table, $index]
+            );
+            return isset($row->c) && (int) $row->c > 0;
+        }
+
         $database = Schema::getConnection()->getDatabaseName();
         $row      = DB::selectOne(
             'SELECT COUNT(*) AS c FROM information_schema.statistics WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND INDEX_NAME = ?',