//---------------------------------------------------------------------
//
// Portions of this file copyright (c) Microsoft Corporation
// and are released under the Microsoft Pulic License. See
// http://archive.msdn.microsoft.com/EFSampleProvider/Project/License.aspx
// or License.txt for details.
// All rights reserved.
//
//---------------------------------------------------------------------
namespace System.Data.SQLite
{
#if USE_ENTITY_FRAMEWORK_6
using System.Data.Entity.Core.Common.CommandTrees;
#else
using System.Data.Common.CommandTrees;
#endif
///
/// Represents the sql fragment for any node in the query tree.
///
///
/// The nodes in a query tree produce various kinds of sql
///
/// - A select statement.
/// - A reference to an extent. (symbol)
/// - A raw string.
///
/// We have this interface to allow for a common return type for the methods
/// in the expression visitor
///
/// At the end of translation, the sql fragments are converted into real strings.
///
internal interface ISqlFragment
{
///
/// Write the string represented by this fragment into the stream.
///
/// The stream that collects the strings.
/// Context information used for renaming.
/// The global lists are used to generated new names without collisions.
void WriteSql(SqlWriter writer, SqlGenerator sqlGenerator);
}
}