NextVal

Find the next recorded value after a specified time.

Syntax

NextVal(attname, t1)

Arguments

• attname

  The name of an attribute, enclosed in single quotation marks

• t1

  A time expression

Returns

The next recorded value after the specified time for the specified attribute

Exceptions

If there is no recorded value after the specified time, the function returns an error.

Example

• NextVal('att1', 't')

  [Find and return the next recorded value of 'att1' since the start of day (12am) today]