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NpgsqlLegacyPostgisExtensions.cs
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61 lines (59 loc) · 2.49 KB
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#region License
// The PostgreSQL License
//
// Copyright (C) 2018 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 System.Data;
using Npgsql.LegacyPostgis;
using Npgsql.TypeMapping;
using NpgsqlTypes;
// ReSharper disable once CheckNamespace
namespace Npgsql
{
/// <summary>
/// Extension adding the legacy PostGIS types to an Npgsql type mapper.
/// </summary>
public static class NpgsqlLegacyPostgisExtensions
{
/// <summary>
/// Sets up the legacy PostGIS types to an Npgsql type mapper.
/// </summary>
/// <param name="mapper">The type mapper to set up (global or connection-specific)</param>
public static INpgsqlTypeMapper UseLegacyPostgis(this INpgsqlTypeMapper mapper)
=> mapper
.AddMapping(new NpgsqlTypeMappingBuilder
{
PgTypeName = "geometry",
NpgsqlDbType = NpgsqlDbType.Geometry,
ClrTypes = new[]
{
typeof(PostgisGeometry),
typeof(PostgisPoint),
typeof(PostgisMultiPoint),
typeof(PostgisLineString),
typeof(PostgisMultiLineString),
typeof(PostgisPolygon),
typeof(PostgisMultiPolygon),
typeof(PostgisGeometryCollection),
},
TypeHandlerFactory = new PostgisLegacyHandlerFactory()
}.Build());
}
}