Function sz_orm_cpp_active_model_get 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn sz_orm_cpp_active_model_get(
    handle: SzOrmPoolHandle,
    table: *const c_char,
    where_clause: *const c_char,
    where_params_json: *const c_char,
) -> *mut c_char

ActiveModel get (find), return JSON string (free with sz_orm_cpp_string_free)

Safety

SAFETY: handle 必须有效；所有字符串参数必须是有效的 NUL 终止 C 字符串。