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(StructType type)
{
StringArray.Builder stringBuilder = new StringArray.Builder();
for (int i = 0; i < Length; i++)
{
stringBuilder.Append(i.ToString());
}
StringArray stringArray = stringBuilder.Build();
Int32Array.Builder intBuilder = new Int32Array.Builder();
for (int i = 0; i < Length; i++)
{
intBuilder.Append(i);
}
Int32Array intArray = intBuilder.Build();
List <Array> arrays = new List <Array>();
arrays.Add(stringArray);
arrays.Add(intArray);
ArrowBuffer.BitmapBuilder nullBitmap = new ArrowBuffer.BitmapBuilder();
for (int i = 0; i < Length; i++)
{
nullBitmap.Append(true);
}
Array = new StructArray(type, Length, arrays, nullBitmap.Build());
}
private RecordBatch CreateTestBatch(int startValue, int length)
{
var batchBuilder = new RecordBatch.Builder();
Int32Array.Builder builder = new Int32Array.Builder();
for (int i = 0; i < length; i++)
{
builder.Append(startValue + i);
}
batchBuilder.Append("test", true, builder.Build());
return(batchBuilder.Build());
}
public void Visit(DictionaryType type)
{
Int32Array.Builder indicesBuilder = new Int32Array.Builder().Reserve(Length);
StringArray.Builder valueBuilder = new StringArray.Builder().Reserve(Length);
for (int i = 0; i < Length; i++)
{
indicesBuilder.Append(i);
valueBuilder.Append($"{i}");
}
Array = new DictionaryArray(type, indicesBuilder.Build(), valueBuilder.Build());
}
public IArrowArray BuildArray()
{
return(_builder.Build());
}