message: Use idx_t here to get rid of warnings (GetArrayLength should hopefully return a >= 0 number if the object is an array)
diff: @@ -7,7 +7,7 @@ using namespace duckdb;
  using namespace std;
  static string byte_array_to_string(JNIEnv *env, jbyteArray ba_j) {
  - auto len = env->GetArrayLength(ba_j);
  + idx_t len = env->GetArrayLength(ba_j);
  string ret;
  ret.resize(len);
  @@ -122,7 +122,7 @@ JNIEXPORT jobject JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute(JNI
  auto res_ref = new ResultHolder();
  vector<Value> duckdb_params;
  - auto param_len = env->GetArrayLength(params);
  + idx_t param_len = env->GetArrayLength(params);
  if (param_len != stmt_ref->stmt->n_param) {
  env->ThrowNew(env->FindClass("java/sql/SQLException"), "Parameter count mismatch");
  }
  