using System;
using JetBrains.Annotations;
using Npgsql.PostgresTypes;
using NpgsqlTypes;
#if !NET461
using System.Data.Common;
#endif
#pragma warning disable 1591
namespace Npgsql.Schema
{
///
/// Provides schema information about a column.
///
///
/// Note that this can correspond to a field returned in a query which isn't an actual table column
///
/// See https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqldatareader.getschematable(v=vs.110).aspx
/// for information on the meaning of the different fields.
///
public class NpgsqlDbColumn : DbColumn
{
public NpgsqlDbColumn()
{
PostgresType = UnknownBackendType.Instance;
// Not supported in PostgreSQL
IsExpression = false;
IsAliased = false;
IsHidden = false;
IsIdentity = false;
}
#region Standard fields
#nullable disable
// ReSharper disable once InconsistentNaming
public new bool? AllowDBNull
{
get => base.AllowDBNull;
protected internal set => base.AllowDBNull = value;
}
public new string BaseCatalogName
{
get => base.BaseCatalogName;
protected internal set => base.BaseCatalogName = value;
}
public new string BaseColumnName
{
get => base.BaseColumnName;
protected internal set => base.BaseColumnName = value;
}
public new string BaseSchemaName
{
get => base.BaseSchemaName;
protected internal set => base.BaseSchemaName = value;
}
public new string BaseServerName
{
get => base.BaseServerName;
protected internal set => base.BaseServerName = value;
}
public new string BaseTableName
{
get => base.BaseTableName;
protected internal set => base.BaseTableName = value;
}
public new string ColumnName
{
get => base.ColumnName;
protected internal set => base.ColumnName = value;
}
public new int? ColumnOrdinal
{
get => base.ColumnOrdinal;
protected internal set => base.ColumnOrdinal = value;
}
public new int? ColumnSize
{
get => base.ColumnSize;
protected internal set => base.ColumnSize = value;
}
public new bool? IsAutoIncrement
{
get => base.IsAutoIncrement;
protected internal set => base.IsAutoIncrement = value;
}
public new bool? IsKey
{
get => base.IsKey;
protected internal set => base.IsKey = value;
}
public new bool? IsLong
{
get => base.IsLong;
protected internal set => base.IsLong = value;
}
public new bool? IsReadOnly
{
get => base.IsReadOnly;
protected internal set => base.IsReadOnly = value;
}
public new bool? IsUnique
{
get => base.IsUnique;
protected internal set => base.IsUnique = value;
}
public new int? NumericPrecision
{
get => base.NumericPrecision;
protected internal set => base.NumericPrecision = value;
}
public new int? NumericScale
{
get => base.NumericScale;
protected internal set => base.NumericScale = value;
}
public new string UdtAssemblyQualifiedName
{
get => base.UdtAssemblyQualifiedName;
protected internal set => base.UdtAssemblyQualifiedName = value;
}
public new Type DataType
{
get => base.DataType;
protected internal set => base.DataType = value;
}
public new string DataTypeName
{
get => base.DataTypeName;
protected internal set => base.DataTypeName = value;
}
#nullable restore
#endregion Standard fields
#region Npgsql-specific fields
[PublicAPI]
public PostgresType PostgresType { get; internal set; }
[PublicAPI]
public uint TypeOID { get; internal set; }
[PublicAPI]
public uint TableOID { get; internal set; }
[PublicAPI]
public short? ColumnAttributeNumber { get; internal set; }
[PublicAPI]
public string? DefaultValue { get; internal set; }
[PublicAPI]
public NpgsqlDbType? NpgsqlDbType { get; internal set; }
public override object? this[string propertyName]
=> propertyName switch
{
nameof(PostgresType) => PostgresType,
nameof(TypeOID) => TypeOID,
nameof(TableOID) => TableOID,
nameof(ColumnAttributeNumber) => ColumnAttributeNumber,
nameof(DefaultValue) => DefaultValue,
nameof(NpgsqlDbType) => NpgsqlDbType,
_ => base[propertyName]
};
#endregion Npgsql-specific fields
}
}