//------------------------------------------------------------------------------
// <copyright file="SchemaTableOptionalColumn.cs" company="Microsoft">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------

namespace System.Data.Common {

    // optional columns that DataAdapter.Fill(Schema) will pay attention to
    // when constructing new DataColumns to add to a DataTable
    public static class SchemaTableOptionalColumn {

        public static readonly string ProviderSpecificDataType = "ProviderSpecificDataType";

        public static readonly string IsAutoIncrement = "IsAutoIncrement";
        public static readonly string IsHidden        = "IsHidden";
        public static readonly string IsReadOnly      = "IsReadOnly";
        public static readonly string IsRowVersion    = "IsRowVersion";
        public static readonly string BaseServerName  = "BaseServerName";
        public static readonly string BaseCatalogName = "BaseCatalogName";

        public static readonly string AutoIncrementSeed = "AutoIncrementSeed";
        public static readonly string AutoIncrementStep = "AutoIncrementStep";
        public static readonly string DefaultValue      = "DefaultValue";
        public static readonly string Expression        = "Expression";

        public static readonly string BaseTableNamespace  = "BaseTableNamespace";
        public static readonly string BaseColumnNamespace = "BaseColumnNamespace";
        public static readonly string ColumnMapping       = "ColumnMapping";
    }
}