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PostgresDomainType.cs
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#region License
// The PostgreSQL License
//
// Copyright (C) 2017 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
using JetBrains.Annotations;
namespace Npgsql.PostgresTypes
{
/// <summary>
/// Represents a PostgreSQL domain type.
/// </summary>
/// <remarks>
/// See https://www.postgresql.org/docs/current/static/sql-createdomain.html.
///
/// When PostgreSQL returns a RowDescription for a domain type, the type OID is the base type's
/// (so fetching a domain type over text returns a RowDescription for text).
/// However, when a composite type is returned, the type OID there is that of the domain,
/// so we provide "clean" support for domain types.
/// </remarks>
public class PostgresDomainType : PostgresType
{
/// <summary>
/// The PostgreSQL data type of the base type, i.e. the type this domain is based on.
/// </summary>
[PublicAPI]
public PostgresType BaseType { get; }
/// <summary>
/// Constructs a representation of a PostgreSQL domain data type.
/// </summary>
protected internal PostgresDomainType(string ns, string name, uint oid, PostgresType baseType)
: base(ns, name, oid)
{
BaseType = baseType;
}
}
}