QueryExtensions.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//

using System;

using Deveel.Data.Security;

namespace Deveel.Data.Sql.Schemas {
    public static class QueryExtensions {
        public static void CreateSchema(this IQuery context, string name, string type) {
            if (!context.UserCanCreateSchema())
                throw new InvalidOperationException();      // TODO: throw a specialized exception

            context.CreateObject(new SchemaInfo(name, type));
        }

        public static bool SchemaExists(this IQuery context, string name) {
            return context.ObjectExists(DbObjectType.Schema, new ObjectName(name));
        }

        public static ObjectName ResolveSchemaName(this IQuery context, string name) {
            if (String.IsNullOrEmpty(name))
                throw new ArgumentNullException("name");

            return context.ResolveObjectName(DbObjectType.Schema, new ObjectName(name));
        }
    }
}