YEAR Function
Derives the four-digit year value from a Datetime value. Source value can be a a reference to a column containing Datetime values or a literal.
Note
If the source Datetime value does not include a valid input for this function, a missing value is returned.
Wrangle vs. SQL: This function is part of Wrangle, a proprietary data transformation language. Wrangle is not SQL. For more information, see Wrangle Language.
Basic Usage
year(MyDate)
Output:Returns the four-digit year values from theMyDatecolumn.
Syntax and Arguments
year(datetime_col)
Argument | Required? | Data Type | Description |
|---|---|---|---|
datetime_col | Y | datetime | Name of column whose year values are to be computed |
For more information on syntax standards, see Language Documentation Syntax Notes.
datetime_col
Name of the column whose year value is to be computed.
Missing values for this function in the source data result in missing values in the output.
Multiple columns and wildcards are not supported.
Usage Notes:
Required? | Data Type | Example Value |
|---|---|---|
Yes | Datetime | myDate |
Examples
Tip
For additional examples, see Common Tasks.
Example - Date element functions
This example illustrates how a variety of date-related functions can be used to derive specific values out of a column of Datetime type.
YEAR- Returns the four-digit year value from a Datetime value. See YEAR Function.MONTH- Returns the two-digit month value from a Datetime value. See MONTH Function.MONTHNAME- Returns the full month name value from a Datetime value. See MONTHNAME Function.WEEKDAYNAME- Returns the weekday name value from a Datetime value. See WEEKDAYNAME Function.DAY- Returns the day of the month as a numeric value from a Datetime value. See DAY Function.HOUR- Returns the hour value on a 24-hour scale from a Datetime value. See HOUR Function.MINUTE- Returns the minutes value from a Datetime value. See MINUTE Function.SECOND- Returns the seconds value from a Datetime value. See SECOND Function.
Source:
date |
|---|
2/8/16 15:41 |
12/30/15 0:00 |
4/26/15 7:07 |
Transformation:
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | YEAR (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | MONTH (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | MONTHNAME (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | WEEKDAYNAME (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | DAY (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | HOUR (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | MINUTE (date) |
Transformation Name |
|
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | SECOND (date) |
Results:
Note
If the source Datetime value does not contain a valid input for one of these functions, no value is returned. See the second_date column below.
date | year_date | month_date | monthname_date | weekdayname_date | day_date | hour_date | minute_date | second_date |
|---|---|---|---|---|---|---|---|---|
2/8/16 15:41 | 2016 | 2 | February | Monday | 8 | 15 | 41 | |
12/30/15 0:00 | 2015 | 12 | December | Wednesday | 30 | 0 | 0 | |
4/26/15 7:07 | 2015 | 4 | April | Sunday | 26 | 7 | 7 |