MarkLogic 12 EA 2 Product Documentation
sql:timestampdiff

sql:timestampdiff(
   $dateTimeType as xs:ID,
   $timestamp1 as xs:genericDateTimeArg,
   $timestamp2 as xs:genericDateTimeArg
) as xs:integer?

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.

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

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

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MarkLogic 12 EA 2 Product Documentationsql:timestampdiff