MarkLogic 9 Product Documentation
sql.timestampdiff

sql.timestampdiff(
   dateTimeType as xs.ID,
   timestamp1 as xs.genericDateTimeArg,
   timestamp2 as xs.genericDateTimeArg
) as Number?

Returns the difference in dateTimeType field of two given timestamps.

Parameters
dateTimeType	The dateTimeType of the timestamp where addition should take place. Available types are: SQL_TSI_FRAC_SECOND nano seconds SQL_TSI_SECOND seconds SQL_TSI_MINUTE minute SQL_TSI_HOUR hour SQL_TSI_DAY day SQL_TSI_WEEK week SQL_TSI_MONTH month SQL_TSI_QUARTER quarter SQL_TSI_YEAR year
timestamp1	The integer to add to the given dateTimeType field of the third parameter.
timestamp2	The xs:dateTime timestamp to which addition has to take place.

sql.timestampdiff('SQL_TSI_DAY', '2009-05-20T03:03:03','2009-05-18T03:03:03')
=> |ANON7761991471377004207| |2|

MarkLogic 9 Product Documentationsql.timestampdiff