public override DataTypeInfo Execute()
{
RelationalRow row = null;
command.Connection.Open();
var rdr = ExecuteReader(command);
if (rdr.Read())
{
row = new RelationalRow();
row.IsNullable = rdr.GetString(0);
row.DataType = rdr.GetString(1);
row.CharacterMaximumLength = rdr.IsDBNull(2) ? 0 : rdr.GetInt32(2);
row.NumericPrecision = rdr.IsDBNull(3) ? 0 : rdr.GetByte(3);
row.NumericScale = rdr.IsDBNull(4) ? 0 : rdr.GetInt32(4);
row.DateTimePrecision = rdr.IsDBNull(5) ? 0 : rdr.GetInt16(5);
row.CharacterSetName = rdr.IsDBNull(6) ? string.Empty : rdr.GetString(6);
row.CollationName = rdr.IsDBNull(7) ? string.Empty : rdr.GetString(7);
row.DomainName = rdr.IsDBNull(8) ? string.Empty : rdr.GetString(8);
}
command.Connection.Close();
if (row != null)
{
var factory = new DataTypeInfoFactory();
var dataTypeInfo = factory.Instantiate(row);
return(dataTypeInfo);
}
else
{
return(null);
}
}
public override DataTypeInfo Execute()
{
RelationalRow row = null;
command.Connection.Open();
var rdr = ExecuteReader(command);
if (rdr.Read())
{
row = new RelationalRow();
row.IsNullable = rdr.GetString(0);
row.DataType = rdr.GetString(1);
row.CharacterMaximumLength = rdr.IsDBNull(2) ? 0 : rdr.GetInt32(2);
row.NumericPrecision = rdr.IsDBNull(3) ? 0 : rdr.GetByte(3);
row.NumericScale = rdr.IsDBNull(4) ? 0 : rdr.GetInt32(4);
row.DateTimePrecision = rdr.IsDBNull(5) ? 0 : rdr.GetInt16(5);
row.CharacterSetName = rdr.IsDBNull(6) ? string.Empty : rdr.GetString(6);
row.CollationName = rdr.IsDBNull(7) ? string.Empty : rdr.GetString(7);
row.DomainName = rdr.IsDBNull(8) ? string.Empty : rdr.GetString(8);
}
command.Connection.Close();
if (row != null)
{
var factory = new DataTypeInfoFactory();
var dataTypeInfo = factory.Instantiate(row);
return dataTypeInfo;
}
else
return null;
}
public void Instantiate_SqlType_CorrectDisplay(string value)
{
var factory = new DataTypeInfoFactory();
var obj = factory.Instantiate(value);
Assert.That(obj.ToString(), Is.EqualTo(value));
}
public void Instantiate_SqlType_CorrectName(string value, Type type)
{
var factory = new DataTypeInfoFactory();
var obj = factory.Instantiate(value);
Assert.That(obj, Is.TypeOf(type));
}
public void Instantiate_TextType_CorrectLength(string value)
{
var factory = new DataTypeInfoFactory();
var obj = factory.Instantiate(value);
Assert.That(obj, Is.AssignableTo <ILength>());
Assert.That((obj as ILength).Length, Is.EqualTo(10));
}
public void Instantiate_NumericType_CorrectScalePrecision(string value)
{
var factory = new DataTypeInfoFactory();
var obj = factory.Instantiate(value);
Assert.That(obj, Is.AssignableTo <IPrecision>());
Assert.That((obj as IPrecision).Precision, Is.EqualTo(10));
Assert.That(obj, Is.AssignableTo <IScale>());
Assert.That((obj as IScale).Scale, Is.EqualTo(3));
}
/// <summary>
/// Construct a ExistsConstraint
/// </summary>
public IsConstraint(string expected)
{
var factory = new DataTypeInfoFactory();
this.expected = factory.Instantiate(expected);
}
