public override string Translate(SqlDateTimeOffsetPart part)
{
switch (part)
{
case SqlDateTimeOffsetPart.Millisecond:
return("MILLISECONDS");
case SqlDateTimeOffsetPart.DayOfYear:
return("DOY");
case SqlDateTimeOffsetPart.DayOfWeek:
return("DOW");
case SqlDateTimeOffsetPart.Offset:
return("TIMEZONE");
case SqlDateTimeOffsetPart.TimeZoneHour:
return("TIMEZONE_HOUR");
case SqlDateTimeOffsetPart.TimeZoneMinute:
return("TIMEZONE_MINUTE");
}
return(base.Translate(part));
}
public SqlExtract(SqlDateTimeOffsetPart dateTimeOffsetPart, SqlExpression operand)
: base(SqlNodeType.Extract)
{
DateTimePart = SqlDateTimePart.Nothing;
IntervalPart = SqlIntervalPart.Nothing;
DateTimeOffsetPart = dateTimeOffsetPart;
Operand = operand;
}
private static SqlDateTimePart ConvertDateTimeOffsetPartToDateTimePart(SqlDateTimeOffsetPart dateTimeOffsetPart)
{
switch (dateTimeOffsetPart)
{
case SqlDateTimeOffsetPart.Year:
return(SqlDateTimePart.Year);
case SqlDateTimeOffsetPart.Month:
return(SqlDateTimePart.Month);
case SqlDateTimeOffsetPart.Day:
return(SqlDateTimePart.Day);
case SqlDateTimeOffsetPart.Hour:
return(SqlDateTimePart.Hour);
case SqlDateTimeOffsetPart.Minute:
return(SqlDateTimePart.Minute);
case SqlDateTimeOffsetPart.Second:
return(SqlDateTimePart.Second);
case SqlDateTimeOffsetPart.Millisecond:
return(SqlDateTimePart.Millisecond);
case SqlDateTimeOffsetPart.Nanosecond:
return(SqlDateTimePart.Nanosecond);
case SqlDateTimeOffsetPart.DayOfYear:
return(SqlDateTimePart.DayOfYear);
case SqlDateTimeOffsetPart.DayOfWeek:
return(SqlDateTimePart.DayOfWeek);
case SqlDateTimeOffsetPart.TimeZoneHour:
return(SqlDateTimePart.TimeZoneHour);
case SqlDateTimeOffsetPart.TimeZoneMinute:
return(SqlDateTimePart.TimeZoneMinute);
}
throw SqlHelper.NotSupported(string.Format("Converting {0} to SqlDateTimePart", dateTimeOffsetPart));
}