apacheGH-37359: [C#] Add ToList() to Decimal128Array and Decimal256Array

DanTm99 · Aug 25, 2023 · 241a57d · 241a57d
1 parent b9453a2
commit 241a57d
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Showing 2 changed files with 48 additions and 0 deletions.
diff --git a/csharp/src/Apache.Arrow/Arrays/Decimal128Array.cs b/csharp/src/Apache.Arrow/Arrays/Decimal128Array.cs
@@ -91,5 +91,29 @@ public Decimal128Array(ArrayData data)
             }
             return DecimalUtility.GetDecimal(ValueBuffer, index, Scale, ByteWidth);
         }
+
+        public IList<decimal?> ToList(bool includeNulls = false)
+        {
+            var list = new List<decimal?>(Length);
+
+            for (int i = 0; i < Length; i++)
+            {
+                decimal? value = GetValue(i);
+
+                if (value.HasValue)
+                {
+                    list.Add(value.Value);
+                }
+                else
+                {
+                    if (includeNulls)
+                    {
+                        list.Add(null);
+                    }
+                }
+            }
+
+            return list;
+        }
     }
 }
diff --git a/csharp/src/Apache.Arrow/Arrays/Decimal256Array.cs b/csharp/src/Apache.Arrow/Arrays/Decimal256Array.cs
@@ -92,5 +92,29 @@ public Decimal256Array(ArrayData data)
 
             return DecimalUtility.GetDecimal(ValueBuffer, index, Scale, ByteWidth);
         }
+
+        public IList<decimal?> ToList(bool includeNulls = false)
+        {
+            var list = new List<decimal?>(Length);
+
+            for (int i = 0; i < Length; i++)
+            {
+                decimal? value = GetValue(i);
+
+                if (value.HasValue)
+                {
+                    list.Add(value.Value);
+                }
+                else
+                {
+                    if (includeNulls)
+                    {
+                        list.Add(null);
+                    }
+                }
+            }
+
+            return list;
+        }
     }
 }