shihuizhen edited a comment on issue #7922:
URL: https://github.com/apache/shardingsphere/issues/7922#issuecomment-717184273
@Lucas-307
```
String sql = "INSERT INTO
t_order_item(order_id,user_id,status,creation_date) VALUES (2112,21,' init','
2017-08-31')";
try (Connection conn = DriverManager.getConnection(url, username,
password);
PreparedStatement ps = conn.prepareStatement(sql,
Statement.RETURN_GENERATED_KEYS)) {
ps.executeUpdate();
ResultSet rs = ps.getGeneratedKeys();
return rs.next() ? rs.getLong(1) : -1;
}
```
result is -1
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