diff --git a/minisqlquery-master/src/MiniSqlQuery.Core/DbModel/DbModelColumn.cs b/minisqlquery-master/src/MiniSqlQuery.Core/DbModel/DbModelColumn.cs
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+#region License
+
+// Copyright 2005-2019 Paul Kohler (https://github.com/paulkohler/minisqlquery). All rights reserved.
+// This source code is made available under the terms of the GNU Lesser General Public License v3.0
+// https://github.com/paulkohler/minisqlquery/blob/master/LICENSE
+#endregion
+
+using System.Diagnostics;
+
+namespace MiniSqlQuery.Core.DbModel
+{
+ /// <summary>The db model column.</summary>
+ [DebuggerDisplay("DbModelColumn: {Name} (DbModelType.Summary: {DbModelType.Summary}, Nullable: {Nullable}, IsKey: {IsKey})")]
+ public class DbModelColumn : DbModelObjectBase
+ {
+ /// <summary>Initializes a new instance of the <see cref="DbModelColumn"/> class.</summary>
+ public DbModelColumn()
+ {
+ Nullable = true;
+ DbType = new DbModelType("varchar", 50);
+ ObjectType = ObjectTypes.Column;
+ }
+
+ /// <summary>Gets or sets DbType.</summary>
+ /// <value>The db type.</value>
+ public virtual DbModelType DbType { get; set; }
+
+ /// <summary>Gets or sets ForeignKeyReference.</summary>
+ /// <value>The foreign key reference.</value>
+ public virtual DbModelForeignKeyReference ForeignKeyReference { get; set; }
+
+ /// <summary>Gets FullName.</summary>
+ /// <value>The full name.</value>
+ public override string FullName
+ {
+ get { return Name; }
+ }
+
+ /// <summary>Gets a value indicating whether HasFK.</summary>
+ /// <value>The has fk.</value>
+ public virtual bool HasFK
+ {
+ get { return ForeignKeyReference != null; }
+ }
+
+ /// <summary>Gets or sets a value indicating whether IsAutoIncrement.</summary>
+ /// <value>The is auto increment.</value>
+ public virtual bool IsAutoIncrement { get; set; }
+
+ /// <summary>Gets or sets a value indicating whether IsIdentity.</summary>
+ /// <value>The is identity.</value>
+ public virtual bool IsIdentity { get; set; }
+
+ /// <summary>Gets or sets a value indicating whether IsKey.</summary>
+ /// <value>The is key.</value>
+ public virtual bool IsKey { get; set; }
+
+ /// <summary>Gets or sets a value indicating whether IsReadOnly.</summary>
+ /// <value>The is read only.</value>
+ public virtual bool IsReadOnly { get; set; }
+
+ /// <summary>
+ /// Gets or sets a value indicating whether this column is a concurrency field, such as a timestamp.
+ /// </summary>
+ /// <value>
+ /// <c>true</c> if this instance is row version, or concurrency field; otherwise, <c>false</c>.
+ /// </value>
+ public virtual bool IsRowVersion { get; set; }
+
+ /// <summary>Gets or sets a value indicating whether IsUnique.</summary>
+ /// <value>The is unique.</value>
+ public virtual bool IsUnique { get; set; }
+
+ /// <summary>Gets a value indicating whether IsWritable.</summary>
+ /// <value>The is writable.</value>
+ public virtual bool IsWritable
+ {
+ get { return !IsReadOnly; }
+ }
+
+ /// <summary>Gets or sets a value indicating whether Nullable.</summary>
+ /// <value>The nullable.</value>
+ public virtual bool Nullable { get; set; }
+
+ /// <summary>Gets the parent table of the column.</summary>
+ /// <value>The parent table instance.</value>
+ public virtual DbModelTable ParentTable { get; internal set; }
+ }
+}
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