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41 changes: 17 additions & 24 deletions ydb/library/yql/parser/pg_wrapper/ut/arrow_ut.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -12,18 +12,24 @@ extern "C" {

namespace {

void checkResult(const char ** expected, std::shared_ptr<arrow::ArrayData> data) {
template <bool IsFixedSizeReader>
void checkResult(const char ** expected, auto result, NYql::NUdf::IBlockReader* reader, auto out_fun) {
const auto& data = result->data();

NYql::NUdf::TStringBlockReader<arrow::BinaryType, true> reader;
for (int i = 0; i < data->length; i++) {
auto item = reader.GetItem(*data, i);
if (!item) {
if (result->IsNull(i)) {
UNIT_ASSERT(expected[i] == nullptr);
} else {
const char* addr = item.AsStringRef().Data() + sizeof(void*);
UNIT_ASSERT(expected[i] != nullptr);

Datum item;
if constexpr (IsFixedSizeReader) {
item = reader->GetItem(*data, i).template As<Datum>();
} else {
item = Datum(reader->GetItem(*data, i).AsStringRef().Data() + sizeof(void*));
}
UNIT_ASSERT_VALUES_EQUAL(
TString(DatumGetCString(DirectFunctionCall1(numeric_out, (Datum)addr))),
TString(DatumGetCString(DirectFunctionCall1(out_fun, item))),
expected[i]
);
}
Expand Down Expand Up @@ -70,15 +76,13 @@ Y_UNIT_TEST(PgConvertNumericDouble) {
builder.Finish(&array);

auto result = PgConvertNumeric<double>(array);
const auto& data = result->data();



const char* expected[] = {
"1.1", "31.37", nullptr, "-1.337", "0"
};

checkResult(expected, data);
NYql::NUdf::TStringBlockReader<arrow::BinaryType, true> reader;
checkResult<false>(expected, result, &reader, numeric_out);
}

Y_UNIT_TEST(PgConvertNumericInt) {
Expand All @@ -101,7 +105,8 @@ Y_UNIT_TEST(PgConvertNumericInt) {
"11", "3137", nullptr, "-1337", "0"
};

checkResult(expected, data);
NYql::NUdf::TStringBlockReader<arrow::BinaryType, true> reader;
checkResult<false>(expected, result, &reader, numeric_out);
}

Y_UNIT_TEST(PgConvertDate32Date) {
Expand All @@ -124,26 +129,14 @@ Y_UNIT_TEST(PgConvertDate32Date) {

auto converter = BuildPgColumnConverter(std::shared_ptr<arrow::DataType>(new arrow::Date32Type), targetType);
auto result = converter(array);
const auto& data = result->data();
UNIT_ASSERT_VALUES_EQUAL(result->length(), 6);

const char* expected[] = {
"1998-01-01", nullptr, "2001-01-01", "1998-01-01", "2000-01-02", "2002-01-01"
};

NUdf::TFixedSizeBlockReader<ui64, true> reader;
for (int i = 0; i < 6; i++) {
if (result->IsNull(i)) {
UNIT_ASSERT(expected[i] == nullptr);
} else {
auto item = reader.GetItem(*data, i).As<Datum>();
UNIT_ASSERT(expected[i] != nullptr);
UNIT_ASSERT_VALUES_EQUAL(
TString(DatumGetCString(DirectFunctionCall1(date_out, item))),
expected[i]
);
}
}
checkResult<true>(expected, result, &reader, date_out);
}

} // Y_UNIT_TEST_SUITE(TArrowUtilsTests)
Expand Down