Add varbinary data type.

Author: quinvit

src/Serilog.Sinks.MSSqlServer/Configuration/ColumnConfig.cs

@@ -52,7 +52,7 @@ public string ColumnName
         /// Type of column as it exists in SQL Server
         /// </summary>
         [ConfigurationProperty("DataType", IsRequired = true, IsKey = false, DefaultValue ="varchar")]
-        [RegexStringValidator("(bigint)|(bit)|(binary)|(char)|(date)|(datetime)|(datetime2)|(decimal)|(float)|(int)|(money)|(nchar)|(ntext)|(numeric)|(nvarchar)|(real)|(smalldatetime)|(smallint)|(smallmoney)|(text)|(time)|(uniqueidentifier)|(varchar)")]
+        [RegexStringValidator("(bigint)|(bit)|(binary)|(varbinary)|(char)|(date)|(datetime)|(datetime2)|(decimal)|(float)|(int)|(money)|(nchar)|(ntext)|(numeric)|(nvarchar)|(real)|(smalldatetime)|(smallint)|(smallmoney)|(text)|(time)|(uniqueidentifier)|(varchar)")]
         public string DataType
         {
             get { return (string)this["DataType"]; }

src/Serilog.Sinks.MSSqlServer/LoggerConfigurationMSSqlServerExtensions.cs

@@ -142,6 +142,7 @@ private static void GenerateDataColumnsFromConfig(MSSqlServerConfigurationSectio
                     case "bigint":
                         dataType = Type.GetType("System.Int64");
                         break;
+                    case "varbinary":
                     case "binary":
                         dataType = Type.GetType("System.Byte[]");
                         column.ExtendedProperties["DataLength"] = c.DataLength;

src/Serilog.Sinks.MSSqlServer/Sinks/MSSqlServer/SqlTableCreator.cs

@@ -102,7 +102,7 @@ private static string SqlGetType(object type, int columnSize, int numericPrecisi
                     break;
 
                 case "System.Byte[]":
-                    sqlType = columnSize == -1 ? "VARBINARY" : "BINARY(" + columnSize.ToString() + ")";
+                    sqlType = columnSize == -1 ? "VARBINARY(MAX)" : "VARBINARY(" + columnSize.ToString() + ")";
                     break;
 
                 case "System.String":