From bec926da47821db94fa572f2494e3e28b9406e86 Mon Sep 17 00:00:00 2001
From: Thomasr <techninjas514@gmail.com>
Date: Mon, 23 Sep 2024 03:17:14 -0400
Subject: [PATCH] Fix null value error on mssql datasource

---
 .../main/java/org/lowcoder/plugin/sql/GeneralSqlExecutor.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/server/api-service/lowcoder-plugins/sqlBasedPlugin/src/main/java/org/lowcoder/plugin/sql/GeneralSqlExecutor.java b/server/api-service/lowcoder-plugins/sqlBasedPlugin/src/main/java/org/lowcoder/plugin/sql/GeneralSqlExecutor.java
index 2348cbbd2..a5cba98f3 100644
--- a/server/api-service/lowcoder-plugins/sqlBasedPlugin/src/main/java/org/lowcoder/plugin/sql/GeneralSqlExecutor.java
+++ b/server/api-service/lowcoder-plugins/sqlBasedPlugin/src/main/java/org/lowcoder/plugin/sql/GeneralSqlExecutor.java
@@ -232,7 +232,9 @@ private List<Object> getGeneratedIds(ResultSet generatedKeys) throws SQLExceptio
 
     private void bindParam(int bindIndex, Object value, PreparedStatement preparedStatement, String bindKeyName) throws SQLException {
         if (value == null) {
-            preparedStatement.setNull(bindIndex, Types.NULL);
+            ParameterMetaData parameterMetaData = preparedStatement.getParameterMetaData();
+            int paramType = parameterMetaData.getParameterType(bindIndex);
+            preparedStatement.setNull(bindIndex, paramType);
             return;
         }
         if (value instanceof Integer intValue) {