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PostgresMinimalDatabaseInfo.cs
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53 lines (49 loc) · 2.15 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.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Npgsql.PostgresTypes;
using NpgsqlTypes;
namespace Npgsql
{
class PostgresMinimalDatabaseInfoFactory : INpgsqlDatabaseInfoFactory
{
public Task<NpgsqlDatabaseInfo> Load(NpgsqlConnection conn, NpgsqlTimeout timeout, bool async)
=> Task.FromResult(
new NpgsqlConnectionStringBuilder(conn.ConnectionString).ServerCompatibilityMode == ServerCompatibilityMode.NoTypeLoading
? (NpgsqlDatabaseInfo)new PostgresMinimalDatabaseInfo()
: null
);
}
class PostgresMinimalDatabaseInfo : PostgresDatabaseInfo
{
static readonly PostgresBaseType[] Types = typeof(NpgsqlDbType).GetFields()
.Select(f => f.GetCustomAttribute<BuiltInPostgresType>())
.Where(a => a != null)
.Select(a => new PostgresBaseType("pg_catalog", a.Name, a.OID))
.ToArray();
protected override IEnumerable<PostgresType> GetTypes() => Types;
}
}