public void Test(GeneralDbType inpuType, SqlDbType expectedType)
{
// Arrange
// Act
var result = SqlClientConnManager.MapGeneralDbTypeToSqlDbType(inpuType);
// Assert
Assert.AreEqual(expectedType, result);
}
public void Test(GeneralDbType inpuType, NpgsqlDbType expectedType)
{
// Arrange
// Act
var result = PostgresConnManager.MapGeneralDbTypeToNpgsqlDbType(inpuType);
// Assert
Assert.AreEqual(expectedType, result);
}
/// <summary>
/// Map the general database parameter data type to it's SQLClient relative
/// </summary>
/// <param name="dataType">Gernal database data type</param>
/// <returns>SQql data type</returns>
public static SqlDbType MapGeneralDbTypeToSqlDbType(GeneralDbType dataType)
{
var t = dataType.ToString().Replace("GeneralDbType", "SqlDbType");
var sucess = Enum.TryParse(t, out SqlDbType sqlDataType);
if (sucess)
{
return(sqlDataType);
}
throw new ArgumentException($"Type not implemented: {dataType}");
}
/// <summary>
/// Map the general database parameter data type to it's SQLClient relative
/// </summary>
/// <param name="dataType">Gernal database data type</param>
/// <returns>Npgsql data type</returns>
public static NpgsqlDbType MapGeneralDbTypeToNpgsqlDbType(GeneralDbType dataType)
{
switch (dataType)
{
case GeneralDbType.BigInt:
return(NpgsqlDbType.Bigint);
//case GeneralDbType.Binary:
// break;
case GeneralDbType.Bit:
return(NpgsqlDbType.Bit);
case GeneralDbType.Char:
return(NpgsqlDbType.Char);
case GeneralDbType.DateTime:
return(NpgsqlDbType.Date);
case GeneralDbType.Decimal:
return(NpgsqlDbType.Numeric);
case GeneralDbType.Float:
return(NpgsqlDbType.Double);
//case GeneralDbType.Image:
// break;
case GeneralDbType.Int:
return(NpgsqlDbType.Integer);
case GeneralDbType.Money:
return(NpgsqlDbType.Money);
case GeneralDbType.NChar:
return(NpgsqlDbType.Char);
case GeneralDbType.NText:
return(NpgsqlDbType.Text);
case GeneralDbType.NVarChar:
return(NpgsqlDbType.Text);
case GeneralDbType.Real:
return(NpgsqlDbType.Double);
case GeneralDbType.UniqueIdentifier:
return(NpgsqlDbType.Uuid);
case GeneralDbType.SmallDateTime:
return(NpgsqlDbType.Date);
case GeneralDbType.SmallInt:
return(NpgsqlDbType.Smallint);
case GeneralDbType.SmallMoney:
return(NpgsqlDbType.Money);
case GeneralDbType.Text:
return(NpgsqlDbType.Text);
case GeneralDbType.Timestamp:
return(NpgsqlDbType.Timestamp);
case GeneralDbType.TinyInt:
return(NpgsqlDbType.Smallint);
//case GeneralDbType.VarBinary:
// break;
case GeneralDbType.VarChar:
return(NpgsqlDbType.Varchar);
//case GeneralDbType.Variant:
// break;
case GeneralDbType.Xml:
return(NpgsqlDbType.Text);
//case GeneralDbType.Udt:
// break;
//case GeneralDbType.Structured:
// break;
case GeneralDbType.Date:
return(NpgsqlDbType.Date);
case GeneralDbType.Time:
return(NpgsqlDbType.Date);
case GeneralDbType.DateTime2:
return(NpgsqlDbType.Date);
case GeneralDbType.DateTimeOffset:
return(NpgsqlDbType.TimeTz);
default:
throw new ArgumentOutOfRangeException(nameof(dataType), dataType, null);
}
}
/// <summary>
/// Get a parameter for the provided command
/// </summary>
/// <param name="cmd">Current command type</param>
/// <param name="parameterName">Name of the parameter</param>
/// <param name="dataType">General database data typeof the parameter</param>
/// <returns>Parameter object to set value for</returns>
public override DbParameter GetParameter(DbCommand cmd, string parameterName, GeneralDbType dataType)
{
var sqlCmd = (NpgsqlCommand)cmd;
var sqlType = MapGeneralDbTypeToNpgsqlDbType(dataType);
var p = new NpgsqlParameter(parameterName, sqlType);
sqlCmd.Parameters.Add(p);
return(p);
}
/// <summary>
/// Get a parameter for the provided command
/// </summary>
/// <param name="cmd">Current command type</param>
/// <param name="parameterName">Name of the parameter</param>
/// <param name="dataType">General database data typeof the parameter</param>
/// <returns>Parameter object to set value for</returns>
public virtual DbParameter GetParameter(DbCommand cmd, string parameterName, GeneralDbType dataType)
{
throw new DbConnException(NotImplementedMessage, DbConnErrorCode.ERC_NOTIMPLEMENTED);
}
