Add missing implementation for datetime relevant arrow type

# Conflicts:
#	src/Microsoft.Data.Analysis/PrimitiveDataFrameColumn.cs

Author: asmirnov82

eng/Versions.props

@@ -30,7 +30,7 @@
     <SystemTextJsonVersion>6.0.1</SystemTextJsonVersion>
     <SystemThreadingChannelsVersion>4.7.1</SystemThreadingChannelsVersion>
     <!-- Other product dependencies -->
-    <ApacheArrowVersion>2.0.0</ApacheArrowVersion>
+    <ApacheArrowVersion>11.0.0</ApacheArrowVersion>
     <GoogleProtobufVersion>3.19.6</GoogleProtobufVersion>
     <LightGBMVersion>2.3.1</LightGBMVersion>
     <MicrosoftCodeAnalysisAnalyzersVersion>3.3.0</MicrosoftCodeAnalysisAnalyzersVersion>

src/Microsoft.Data.Analysis/DataFrame.Arrow.cs

@@ -101,10 +101,18 @@ private static void AppendDataFrameColumnFromArrowArray(Field field, IArrowArray
                         AppendDataFrameColumnFromArrowArray(fieldsEnumerator.Current, structArrayEnumerator.Current, ret, field.Name + "_");
                     }
                     break;
-                case ArrowTypeId.Decimal:
+                case ArrowTypeId.Date64:
+                    Date64Array arrowDate64Array = (Date64Array)arrowArray;
+                    dataFrameColumn = new PrimitiveDataFrameColumn<DateTime>(fieldName, arrowDate64Array.Data.Length);
+                    for (int i = 0; i < arrowDate64Array.Data.Length; i++)
+                    {
+                        dataFrameColumn[i] = arrowDate64Array.GetDateTime(i);
+                    }
+                    break;
+                case ArrowTypeId.Decimal128:
+                case ArrowTypeId.Decimal256:
                 case ArrowTypeId.Binary:
                 case ArrowTypeId.Date32:
-                case ArrowTypeId.Date64:
                 case ArrowTypeId.Dictionary:
                 case ArrowTypeId.FixedSizedBinary:
                 case ArrowTypeId.HalfFloat:
@@ -114,6 +122,7 @@ private static void AppendDataFrameColumnFromArrowArray(Field field, IArrowArray
                 case ArrowTypeId.Null:
                 case ArrowTypeId.Time32:
                 case ArrowTypeId.Time64:
+                case ArrowTypeId.Timestamp:
                 default:
                     throw new NotImplementedException($"{fieldType.Name}");
             }
@@ -145,7 +154,7 @@ public static DataFrame FromArrowRecordBatch(RecordBatch recordBatch)
         }
 
         /// <summary>
-        /// Returns an <see cref="IEnumerable{RecordBatch}"/> without copying data
+        /// Returns an <see cref="IEnumerable{RecordBatch}"/> mostly without copying data
         /// </summary>
         public IEnumerable<RecordBatch> ToArrowRecordBatches()
         {

src/Microsoft.Data.Analysis/PrimitiveColumnContainer.cs

@@ -374,18 +374,6 @@ internal int MaxRecordBatchLength(long startIndex)
             return Buffers[arrayIndex].Length - (int)startIndex;
         }
 
-        internal ReadOnlyMemory<byte> GetValueBuffer(long startIndex)
-        {
-            int arrayIndex = GetArrayContainingRowIndex(startIndex);
-            return Buffers[arrayIndex].ReadOnlyBuffer;
-        }
-
-        internal ReadOnlyMemory<byte> GetNullBuffer(long startIndex)
-        {
-            int arrayIndex = GetArrayContainingRowIndex(startIndex);
-            return NullBitMapBuffers[arrayIndex].ReadOnlyBuffer;
-        }
-
         public IReadOnlyList<T?> this[long startIndex, int length]
         {
             get

src/Microsoft.Data.Analysis/PrimitiveDataFrameColumn.cs

@@ -7,6 +7,7 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using Apache.Arrow;
 using Apache.Arrow.Types;
 using Microsoft.ML;
@@ -104,6 +105,8 @@ private IArrowType GetArrowType()
                 return UInt64Type.Default;
             else if (typeof(T) == typeof(ushort))
                 return UInt16Type.Default;
+            else if (typeof(T) == typeof(DateTime))
+                return Date64Type.Default;
             else
                 throw new NotImplementedException(nameof(T));
         }
@@ -127,36 +130,64 @@ protected internal override Apache.Arrow.Array ToArrowArray(long startIndex, int
         {
             int arrayIndex = numberOfRows == 0 ? 0 : _columnContainer.GetArrayContainingRowIndex(startIndex);
             int offset = (int)(startIndex - arrayIndex * ReadOnlyDataFrameBuffer<T>.MaxCapacity);
+
             if (numberOfRows != 0 && numberOfRows > _columnContainer.Buffers[arrayIndex].Length - offset)
             {
                 throw new ArgumentException(Strings.SpansMultipleBuffers, nameof(numberOfRows));
             }
-            ArrowBuffer valueBuffer = numberOfRows == 0 ? ArrowBuffer.Empty : new ArrowBuffer(_columnContainer.GetValueBuffer(startIndex));
-            ArrowBuffer nullBuffer = numberOfRows == 0 ? ArrowBuffer.Empty : new ArrowBuffer(_columnContainer.GetNullBuffer(startIndex));
+
             int nullCount = GetNullCount(startIndex, numberOfRows);
+
+            //DateTime requires convertion
+            if (this.DataType == typeof(DateTime))
+            {
+                if (numberOfRows == 0)
+                    return new Date64Array(ArrowBuffer.Empty, ArrowBuffer.Empty, numberOfRows, nullCount, offset);
+
+                ReadOnlyDataFrameBuffer<T> valueBuffer = (numberOfRows == 0) ? null : _columnContainer.Buffers[arrayIndex];
+                ReadOnlyDataFrameBuffer<byte> nullBuffer = (numberOfRows == 0) ? null : _columnContainer.NullBitMapBuffers[arrayIndex];
+
+                ReadOnlySpan<DateTime> valueSpan = MemoryMarshal.Cast<T, DateTime>(valueBuffer.ReadOnlySpan);
+                Date64Array.Builder builder = new Date64Array.Builder().Reserve(valueBuffer.Length);
+
+                for (int i = 0; i < valueBuffer.Length; i++)
+                {
+                    if (BitUtility.GetBit(nullBuffer.ReadOnlySpan, i))
+                        builder.Append(valueSpan[i]);
+                    else
+                        builder.AppendNull();
+                }
+
+                return builder.Build();
+            }
+
+            //No convertion
+            ArrowBuffer arrowValueBuffer = numberOfRows == 0 ? ArrowBuffer.Empty : new ArrowBuffer(_columnContainer.Buffers[arrayIndex].ReadOnlyBuffer);
+            ArrowBuffer arrowNullBuffer = numberOfRows == 0 ? ArrowBuffer.Empty : new ArrowBuffer(_columnContainer.NullBitMapBuffers[arrayIndex].ReadOnlyBuffer);
+
             Type type = this.DataType;
             if (type == typeof(bool))
-                return new BooleanArray(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new BooleanArray(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(double))
-                return new DoubleArray(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new DoubleArray(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(float))
-                return new FloatArray(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new FloatArray(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(int))
-                return new Int32Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new Int32Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(long))
-                return new Int64Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new Int64Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(sbyte))
-                return new Int8Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new Int8Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(short))
-                return new Int16Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new Int16Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(uint))
-                return new UInt32Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new UInt32Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(ulong))
-                return new UInt64Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new UInt64Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(ushort))
-                return new UInt16Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new UInt16Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else if (type == typeof(byte))
-                return new UInt8Array(valueBuffer, nullBuffer, numberOfRows, nullCount, offset);
+                return new UInt8Array(arrowValueBuffer, arrowNullBuffer, numberOfRows, nullCount, offset);
             else
                 throw new NotImplementedException(type.ToString());
         }

test/Microsoft.Data.Analysis.Tests/ArrowIntegrationTests.cs

@@ -48,6 +48,7 @@ public void TestArrowIntegration()
                 .Append("ULongColumn", false, new UInt64Array.Builder().AppendRange(Enumerable.Repeat((ulong)1, 10)).Build())
                 .Append("ByteColumn", false, new Int8Array.Builder().AppendRange(Enumerable.Repeat((sbyte)1, 10)).Build())
                 .Append("UByteColumn", false, new UInt8Array.Builder().AppendRange(Enumerable.Repeat((byte)1, 10)).Build())
+                .Append("Date64Column", false, new Date64Array.Builder().AppendRange(Enumerable.Repeat(DateTime.Now, 10)).Build())
                 .Build();
 
             DataFrame df = DataFrame.FromArrowRecordBatch(originalBatch);