Spark fails to read files if "created_by" metadata field is not in th…

…e format is expects. (#262)

* format just like Spark likes it (#261)

.github/workflows/full.yml

@@ -1,7 +1,7 @@
 name: 'Full Workflow'
 
 env:
-  VERSION: 4.5.0
+  VERSION: 4.5.1
   ASM_VERSION: 4.0.0
 
 on:

src/Parquet/File/ThriftFooter.cs

@@ -32,10 +32,12 @@ public ThriftFooter(ParquetSchema schema, long totalRowCount) {
             _fileMeta = CreateThriftSchema(schema);
             _fileMeta.Num_rows = totalRowCount;
 
+
+            // Looks like Spark is sensitive about this format. See https://github.com/aloneguid/parquet-dotnet/issues/261
 #if DEBUG
-            _fileMeta.Created_by = "Parquet.Net local dev version";
+            _fileMeta.Created_by = "Parquet.Net version LocalDev (build Local)";
 #else
-            _fileMeta.Created_by = $"Parquet.Net v{Globals.Version}";
+            _fileMeta.Created_by = $"Parquet.Net version {Globals.Version} (build {Globals.GithubSha})";
 #endif
             _tree = new ThriftSchemaTree(_fileMeta.Schema);
         }

src/Parquet/Globals.cs

@@ -10,5 +10,10 @@ public static class Globals {
         /// Library version
         /// </summary>
         public static readonly string Version = "${VERSION}";
+
+        /// <summary>
+        /// Github Actions stamped commit SHA
+        /// </summary>
+        public static readonly string GithubSha = "${GITHUB_SHA}";
     }
 }