/// <summary>
/// Constructs a new <b>MySqlDateTime</b> object by copying the current value of the given object.
/// </summary>
/// <param name="mdt">The <b>MySqlDateTime</b> object to copy.</param>
public MySqlDateTime(MySqlDateTime mdt)
{
year = mdt.Year;
month = mdt.Month;
day = mdt.Day;
hour = mdt.Hour;
minute = mdt.Minute;
second = mdt.Second;
millisecond = 0;
type = MySqlDbType.DateTime;
isNull = false;
TimezoneOffset = 0;
}
private void SerializeText(MySqlPacket packet, MySqlDateTime value)
{
string val = String.Empty;
val = String.Format("{0:0000}-{1:00}-{2:00}",
value.Year, value.Month, value.Day);
if (type != MySqlDbType.Date)
{
val = value.Millisecond > 0 ? String.Format("{0} {1:00}:{2:00}:{3:00}.{4:000}", val,
value.Hour, value.Minute, value.Second, value.Millisecond) : String.Format("{0} {1:00}:{2:00}:{3:00} ", val,
value.Hour, value.Minute, value.Second);
}
packet.WriteStringNoNull("'" + val + "'");
}
internal static MySqlDateTime Parse(string s)
{
MySqlDateTime dt = new MySqlDateTime();
return dt.ParseMySql(s);
}
internal static MySqlDateTime Parse(string s, Common.DBVersion version)
{
MySqlDateTime dt = new MySqlDateTime();
return dt.ParseMySql(s);
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object value, int length)
{
MySqlDateTime dtValue;
string valueAsString = value as string;
if (value is DateTime)
dtValue = new MySqlDateTime(type, (DateTime)value);
else if (valueAsString != null)
dtValue = MySqlDateTime.Parse(valueAsString);
else if (value is MySqlDateTime)
dtValue = (MySqlDateTime)value;
else
throw new MySqlException("Unable to serialize date/time value.");
if (!binary)
{
SerializeText(packet, dtValue);
return;
}
if (dtValue.Millisecond > 0)
packet.WriteByte(11);
else
packet.WriteByte(7);
packet.WriteInteger(dtValue.Year, 2);
packet.WriteByte((byte)dtValue.Month);
packet.WriteByte((byte)dtValue.Day);
if (type == MySqlDbType.Date)
{
packet.WriteByte(0);
packet.WriteByte(0);
packet.WriteByte(0);
}
else
{
packet.WriteByte((byte)dtValue.Hour);
packet.WriteByte((byte)dtValue.Minute);
packet.WriteByte((byte)dtValue.Second);
}
if (dtValue.Millisecond > 0)
{
long val = dtValue.Millisecond < 1000 ? dtValue.Millisecond * 1000 : dtValue.Millisecond;
for (int x = 0; x < 4; x++)
{
packet.WriteByte((byte)(val & 0xff));
val >>= 8;
}
}
}
