diff --git a/src/Command.php b/src/Command.php
index 9652c4b..a1921cc 100644
--- a/src/Command.php
+++ b/src/Command.php
@@ -33,16 +33,13 @@ final class Command extends AbstractPdoCommand
         ColumnType::BIGINT,
     ];
 
-    public function insertReturningPks(string $table, array|QueryInterface $columns): array|false
+    public function insertReturningPks(string $table, array|QueryInterface $columns): array
     {
         $tableSchema = $this->db->getSchema()->getTableSchema($table);
         $returnColumns = $tableSchema?->getPrimaryKey() ?? [];
 
         if ($returnColumns === []) {
-            if ($this->insert($table, $columns)->execute() === 0) {
-                return false;
-            }
-
+            $this->insert($table, $columns)->execute();
             return [];
         }
         /** @var TableSchema $tableSchema */
@@ -97,9 +94,7 @@ public function insertReturningPks(string $table, array|QueryInterface $columns)
 
         unset($value);
 
-        if ($this->execute() === 0) {
-            return false;
-        }
+        $this->execute();
 
         $result = [];
 
diff --git a/src/Schema.php b/src/Schema.php
index c85bba8..c18a2ad 100644
--- a/src/Schema.php
+++ b/src/Schema.php
@@ -266,7 +266,7 @@ protected function loadTableIndexes(string $tableName): array
                 $columnNames = [];
             }
 
-            /** @var string[] $columnNames */
+            /** @var list<string> $columnNames */
             $result[$name] = new Index(
                 $name,
                 $columnNames,