getAutoInc 判断是否string

src/connector/OpenGauss.php

@@ -181,12 +181,11 @@ public function insert(BaseQuery $query, bool $getLastInsID = false)
         // 执行操作
         $result = '' == $sql ? [0] : $this->pdoInsertExecute($query, $sql);
         if ($result[0]) {
-            $sequence  = $options['sequence'] ?? null;
             $lastInsId = $result[1];
             $data      = $options['data'];
             if ($lastInsId) {
                 $pk = $query->getAutoInc();
-                if ($pk) {
+                if (is_string($pk) and $pk) {
                     $data[$pk] = $lastInsId;
                 }
             }

tests/t.php

@@ -0,0 +1,17 @@
+<?php
+
+use think\facade\Db;
+require __DIR__ . '/../vendor/autoload.php';
+require __DIR__ . '/../vendor/bingher/think-test/src/init.php';
+
+$db   = Db::connect('gbase_gauss');
+$data = array(
+    'key'         => md5(time()),
+    'code'        => '35b91e042650d08c619d0446fc6629c5',
+    'captcha'     => '{"text":[{"size":20,"icon":true,"name":"banana","text":"<香蕉>","width":40,"height":32,"x":191,"y":45},{"size":15,"icon":false,"name":"banana","text":"赶","width":20,"height":19,"x":315,"y":161}],"width":350,"height":200}',
+    'create_time' => 1735616906,
+    'expire_time' => 1735617506,
+);
+$res  = $db->table('ba_captcha')->insertGetId($data);
+dump($res);
+assert($data['key'] == $res);