Kit.Core/LibExternal/Npgsql/PostgresMinimalDatabaseInfo.cs

38 lines
1.3 KiB
C#

using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Npgsql.Internal;
using Npgsql.PostgresTypes;
using Npgsql.Util;
using NpgsqlTypes;
namespace Npgsql;
class PostgresMinimalDatabaseInfoFactory : INpgsqlDatabaseInfoFactory
{
public Task<NpgsqlDatabaseInfo?> Load(NpgsqlConnector conn, NpgsqlTimeout timeout, bool async)
=> Task.FromResult(
conn.Settings.ServerCompatibilityMode == ServerCompatibilityMode.NoTypeLoading
? (NpgsqlDatabaseInfo)new PostgresMinimalDatabaseInfo(conn)
: null
);
}
class PostgresMinimalDatabaseInfo : PostgresDatabaseInfo
{
static readonly PostgresBaseType[] Types = typeof(NpgsqlDbType).GetFields()
.Select(f => f.GetCustomAttribute<BuiltInPostgresType>())
.OfType<BuiltInPostgresType>()
.Select(a => new PostgresBaseType("pg_catalog", a.Name, a.OID))
.ToArray();
protected override IEnumerable<PostgresType> GetTypes() => Types;
internal PostgresMinimalDatabaseInfo(NpgsqlConnector conn)
: base(conn)
{
HasIntegerDateTimes = !conn.PostgresParameters.TryGetValue("integer_datetimes", out var intDateTimes) ||
intDateTimes == "on";
}
}