Excluded computed columns

.gitignore

@@ -1,2 +1,4 @@
 obj
 bin
+
+/.vs

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2019 Artem Avramenko
+Copyright (c) 2021 Artem Avramenko
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Lib/Dumper.cs

@@ -1,6 +1,6 @@
 // <copyright file="Dumper.cs">
 //   SqlDump - Simple SQL Server database dumper
-//   (c) 2020 Artem Avramenko. https://github.com/ArtemAvramenko/SqlDump
+//   (c) 2021 Artem Avramenko. https://github.com/ArtemAvramenko/SqlDump
 //   License: MIT
 // </copyright>
 
@@ -9,10 +9,15 @@
 using System.Data;
 using System.IO;
 using System.Linq;
+
 #if SQL_CLIENT_LEGACY
+
 using System.Data.SqlClient;
+
 #else
+
 using Microsoft.Data.SqlClient;
+
 #endif
 
 namespace SqlDumper
@@ -23,6 +28,8 @@ internal class Dumper
 
         private const string TableParam = "table";
 
+        private const string SchemaAndTableParam = "schematable";
+
         private readonly string TablesCommand = @"
 SELECT TABLE_SCHEMA, TABLE_NAME
 FROM INFORMATION_SCHEMA.TABLES
@@ -35,13 +42,14 @@ FROM INFORMATION_SCHEMA.COLUMNS c
 LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE k ON
   c.TABLE_SCHEMA = k.TABLE_SCHEMA AND
   c.TABLE_NAME = k.TABLE_NAME AND
-  c.COLUMN_NAME = k.COLUMN_NAME AND 
+  c.COLUMN_NAME = k.COLUMN_NAME AND
   OBJECTPROPERTY(OBJECT_ID(k.CONSTRAINT_SCHEMA + '.' + QUOTENAME(k.CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
 WHERE c.TABLE_SCHEMA = @{SchemaParam} AND c.TABLE_NAME = @{TableParam}
+  AND COLUMNPROPERTY(OBJECT_ID(@{SchemaAndTableParam}), c.COLUMN_NAME, 'IsComputed') = 0
 ORDER BY ISNULL(k.ORDINAL_POSITION, 30000), 1
 ";
 
-        private SqlConnection _connection;
+        private readonly SqlConnection _connection;
 
         private SqlCommand _columnsCommand;
 
@@ -65,7 +73,8 @@ public Dumper(SqlConnection connection)
 
         public void Dump(TextWriter writer)
         {
-            if (_connection.State == ConnectionState.Closed) {
+            if (_connection.State == ConnectionState.Closed)
+            {
                 _connection.Open();
             }
 
@@ -74,6 +83,7 @@ public void Dump(TextWriter writer)
             _columnsCommand.CommandText = ColumnsCommand;
             _columnsCommand.Parameters.Add(SchemaParam, SqlDbType.NVarChar);
             _columnsCommand.Parameters.Add(TableParam, SqlDbType.NVarChar);
+            _columnsCommand.Parameters.Add(SchemaAndTableParam, SqlDbType.NVarChar);
 
             var tables = new List<(string, string)>();
             var tablesCommand = _connection.CreateCommand();
@@ -104,9 +114,12 @@ public void Dump(TextWriter writer)
 
         private void DumpTable(TextWriter writer, string schemaName, string tableName)
         {
+            var fullTableName = $"{QuoteName(schemaName)}.{QuoteName(tableName)}";
+
             var sortColumns = new List<string>();
             _columnsCommand.Parameters[SchemaParam].Value = schemaName;
             _columnsCommand.Parameters[TableParam].Value = tableName;
+            _columnsCommand.Parameters[SchemaAndTableParam].Value = fullTableName;
             var columns = new List<string>();
             var selectList = new List<string>();
             using (var metaReader = _columnsCommand.ExecuteReader())
@@ -131,7 +144,6 @@ private void DumpTable(TextWriter writer, string schemaName, string tableName)
                 metaReader.Close();
             }
 
-            var fullTableName = $"{QuoteName(schemaName)}.{QuoteName(tableName)}";
             var command = _connection.CreateCommand();
             command.CommandText = $"SELECT {string.Join(", ", selectList)} FROM {fullTableName}";
             if (sortColumns.Count > 0)
@@ -228,4 +240,4 @@ private string QuoteName(string name)
             return $"[{name}]";
         }
     }
-}
+}

Lib/Formatters.cs

@@ -1,6 +1,6 @@
 // <copyright file="Formatters.cs">
 //   SqlDump - Simple SQL Server database dumper
-//   (c) 2020 Artem Avramenko. https://github.com/ArtemAvramenko/SqlDump
+//   (c) 2021 Artem Avramenko. https://github.com/ArtemAvramenko/SqlDump
 //   License: MIT
 // </copyright>
 
@@ -110,4 +110,4 @@ private static string FormatString(string value)
             return $"{prefix}'{value.Replace("'", "''")}'";
         }
     }
-}
+}

SqlDump.nuspec

@@ -3,7 +3,7 @@
   <metadata>
     <id>SqlDump.Sources</id>
     <title>SqlDump (Source-Only)</title>
-    <version>1.1.0</version>
+    <version>1.2.0</version>
     <authors>Artem Avramenko</authors>
     <owners>ArtemA</owners>
     <projectUrl>https://github.com/ArtemAvramenko/SqlDump</projectUrl>
@@ -16,7 +16,7 @@
     <description>
       Simple SQL Server database dumper. Shipped as source-only NuGet package.
     </description>
-    <copyright>Copyright (c) 2020 Artem Avramenko</copyright>
+    <copyright>Copyright (c) 2021 Artem Avramenko</copyright>
     <tags>sql dump dumper backup script generator</tags>
   </metadata>
   <files>