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Comment: Published by Scroll Versions from space DEV and version r0811

D toc

Excerpt

Derives the hour value from a Datetime value. Generated hours are expressed according to the 24-hour clock.

  • Source value can be a reference to a column containing literal or Datetime values.
  • If the source Datetime value does not include a valid input for this function, a missing value is returned.

D s lang vs sql

D s
snippetBasic

D lang syntax
RawWrangletrue
Typeref
showNotetrue
WrangleTextderive type:single value:hour(MyDate)

hour(MyDate)

Output: Generates a column of values that retrieve the two-digit hour values from the MyDate column.

D s
snippetSyntax

D lang syntax
RawWrangletrue
Typesyntax
showNotetrue
WrangleTextderive type:single type value:hour(datetime_col)

hour(datetime_col)


ArgumentRequired?Data TypeDescription
datetime_colYdatetimeName of column whose hour values are to be computed

D s lang notes

datetime_col

Name of the column whose hour value is to be computed.

  • Missing values for this function in the source data result in missing values in the output.
  • Invalid or out-of-range source values generate missing values in the output.
  • Multiple columns and wildcards are not supported.

D s
snippetusage

Required?Data TypeExample Value
YesDatetimemyDate

D s
snippetExamples

Example - Date element functions

Include Page
EXAMPLE - Date Functions
EXAMPLE - Date Functions

D s also
labeldate