public void Visit(StructType type)
{
// TODO: Make data from type fields.
// The following can be improved with a Builder class for StructArray.
StringArray.Builder resultStringBuilder = new StringArray.Builder();
Int32Array.Builder resultInt32Builder = new Int32Array.Builder();
ArrowBuffer nullBitmapBuffer = new ArrowBuffer.BitmapBuilder().Append(true).Append(true).Append(false).Build();
for (int i = 0; i < 3; i++)
{
resultStringBuilder.Append("joe").AppendNull().AppendNull().Append("mark");
resultInt32Builder.Append(1).Append(2).AppendNull().Append(4);
StringArray stringArray = new StringArray.Builder().Append("joe").AppendNull().AppendNull().Append("mark").Build();
Int32Array intArray = new Int32Array.Builder().Append(1).Append(2).AppendNull().Append(4).Build();
List <Array> arrays = new List <Array>
{
stringArray,
intArray
};
TestTargetArrayList.Add(new StructArray(type, 3, arrays, nullBitmapBuffer, 1));
}
StringArray resultStringArray = resultStringBuilder.Build();
Int32Array resultInt32Array = resultInt32Builder.Build();
ExpectedArray = new StructArray(type, 3, new List <Array> {
resultStringArray, resultInt32Array
}, nullBitmapBuffer, 1);
}
public void Visit(ListType type)
{
ListArray.Builder resultBuilder = new ListArray.Builder(type.ValueDataType).Reserve(_baseDataTotalElementCount);
//Todo : Support various types
Int64Array.Builder resultValueBuilder = (Int64Array.Builder)resultBuilder.ValueBuilder.Reserve(_baseDataTotalElementCount);
for (int i = 0; i < _baseDataListCount; i++)
{
List <int?> dataList = _baseData[i];
ListArray.Builder builder = new ListArray.Builder(type.ValueField).Reserve(dataList.Count);
Int64Array.Builder valueBuilder = (Int64Array.Builder)builder.ValueBuilder.Reserve(dataList.Count);
foreach (long?value in dataList)
{
if (value.HasValue)
{
builder.Append();
resultBuilder.Append();
valueBuilder.Append(value.Value);
resultValueBuilder.Append(value.Value);
}
else
{
builder.AppendNull();
resultBuilder.AppendNull();
}
}
TestTargetArrayList.Add(builder.Build());
}
ExpectedArray = resultBuilder.Build();
}
public void Visit(BinaryType type)
{
BinaryArray.Builder resultBuilder = new BinaryArray.Builder().Reserve(_baseDataTotalElementCount);
for (int i = 0; i < _baseDataListCount; i++)
{
List <int?> dataList = _baseData[i];
BinaryArray.Builder builder = new BinaryArray.Builder().Reserve(dataList.Count);
foreach (byte?value in dataList)
{
if (value.HasValue)
{
builder.Append(value.Value);
resultBuilder.Append(value.Value);
}
else
{
builder.AppendNull();
resultBuilder.AppendNull();
}
}
TestTargetArrayList.Add(builder.Build());
}
ExpectedArray = resultBuilder.Build();
}
public void Visit(TimestampType type)
{
TimestampArray.Builder resultBuilder = new TimestampArray.Builder().Reserve(_baseDataTotalElementCount);
DateTimeOffset basis = DateTimeOffset.UtcNow;
for (int i = 0; i < _baseDataListCount; i++)
{
List <int?> dataList = _baseData[i];
TimestampArray.Builder builder = new TimestampArray.Builder().Reserve(dataList.Count);
foreach (int?value in dataList)
{
if (value.HasValue)
{
DateTimeOffset dateValue = basis.AddMilliseconds(value.Value);
builder.Append(dateValue);
resultBuilder.Append(dateValue);
}
else
{
builder.AppendNull();
resultBuilder.AppendNull();
}
}
TestTargetArrayList.Add(builder.Build());
}
ExpectedArray = resultBuilder.Build();
}
public void Visit(StringType type)
{
StringArray.Builder resultBuilder = new StringArray.Builder().Reserve(_baseDataTotalElementCount);
for (int i = 0; i < _baseDataListCount; i++)
{
List <int?> dataList = _baseData[i];
StringArray.Builder builder = new StringArray.Builder().Reserve(dataList.Count);
foreach (string value in dataList.Select(_ => _.ToString() ?? null))
{
builder.Append(value);
resultBuilder.Append(value);
}
TestTargetArrayList.Add(builder.Build());
}
ExpectedArray = resultBuilder.Build();
}
