[arrow] branch main updated: GH-38297: [C#] Fix build for .NET 4.7.2 (#38299)

[curth]

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curth pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/arrow.git


The following commit(s) were added to refs/heads/main by this push:
     new 71a76c340c GH-38297: [C#] Fix build for .NET 4.7.2 (#38299)
71a76c340c is described below

commit 71a76c340c6dfe1fcde51b22f718a26da4edd7bc
Author: Curt Hagenlocher <c...@hagenlocher.org>
AuthorDate: Mon Oct 16 16:01:27 2023 -0700

    GH-38297: [C#] Fix build for .NET 4.7.2 (#38299)
    
    ### What changes are included in this PR?
    
    Fixes #38297
    
    ### Are these changes tested?
    
    Yes
    * Closes: #38297
---
 csharp/test/Apache.Arrow.Tests/DurationArrayTests.cs | 4 ++++
 csharp/test/Apache.Arrow.Tests/MapArrayTests.cs      | 6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/csharp/test/Apache.Arrow.Tests/DurationArrayTests.cs 
b/csharp/test/Apache.Arrow.Tests/DurationArrayTests.cs
index 0890d356b8..3395ca7bc9 100644
--- a/csharp/test/Apache.Arrow.Tests/DurationArrayTests.cs
+++ b/csharp/test/Apache.Arrow.Tests/DurationArrayTests.cs
@@ -69,7 +69,11 @@ namespace Apache.Arrow.Tests
         {
             if (timeSpan == null) { return TimeUnit.Second; }
             if ((timeSpan.Value.Ticks % TicksPerMicrosecond) > 0) { return 
TimeUnit.Nanosecond; }
+#if NET5_0_OR_GREATER
             if (timeSpan.Value.Microseconds > 0) { return 
TimeUnit.Microsecond; }
+#else
+            if ((timeSpan.Value.Ticks % (TicksPerMicrosecond * 1000)) > 0) { 
return TimeUnit.Microsecond; }
+#endif
             if (timeSpan.Value.Milliseconds > 0) { return 
TimeUnit.Millisecond; }
             return TimeUnit.Second;
         }
diff --git a/csharp/test/Apache.Arrow.Tests/MapArrayTests.cs 
b/csharp/test/Apache.Arrow.Tests/MapArrayTests.cs
index 034f120f3f..7f35f10426 100644
--- a/csharp/test/Apache.Arrow.Tests/MapArrayTests.cs
+++ b/csharp/test/Apache.Arrow.Tests/MapArrayTests.cs
@@ -62,9 +62,9 @@ namespace Apache.Arrow.Tests
             var keyBuilder = builder.KeyBuilder as StringArray.Builder;
             var valueBuilder = builder.ValueBuilder as Int32Array.Builder;
 
-            KeyValuePair<string, int?> kv0 = KeyValuePair.Create("test", 
(int?)1);
-            KeyValuePair<string, int?> kv1 = KeyValuePair.Create("other", 
(int?)123);
-            KeyValuePair<string, int?> kv2 = KeyValuePair.Create("kv", 
(int?)null);
+            KeyValuePair<string, int?> kv0 = new KeyValuePair<string, 
int?>("test", (int?)1);
+            KeyValuePair<string, int?> kv1 = new KeyValuePair<string, 
int?>("other", (int?)123);
+            KeyValuePair<string, int?> kv2 = new KeyValuePair<string, 
int?>("kv", (int?)null);
 
             builder.Append();
             keyBuilder.Append("test");