EXAMPLE - DATE and TIME Functions
This example provides an overview on various date and time functions.
Functions:
Item | Description |
|---|---|
DATE Function | Generates a date value from three inputs of Integer type: year, month, and day. |
TIME Function | Generates time values from three inputs of Integer type: hour, minute, and second. |
DATETIME Function | Generates a Datetime value from the following inputs of Integer type: year, month, day, hour, minute, and second. |
DATEFORMAT Function | Formats a specified Datetime set of values according to the specified date format. Source values can be a reference to a column containing Datetime values. |
Source:
year | month | day | hour | minute | second |
|---|---|---|---|---|---|
2016 | 10 | 11 | 2 | 3 | 0 |
2015 | 11 | 20 | 15 | 22 | 30 |
2014 | 12 | 25 | 18 | 30 | 45 |
Transformation:
Transformation Name | |
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | DATEFORMAT(DATE (year, month, day),'yyyy-MM-dd') |
Parameter: New column name | 'fctn_date' |
Transformation Name | |
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | DATEFORMAT(TIME (hour, minute, second),'HH-mm-ss') |
Parameter: New column name | 'fctn_time' |
Transformation Name | |
|---|---|
Parameter: Formula type | Single row formula |
Parameter: Formula | DATEFORMAT(DATETIME (year, month, day, hour, minute, second),'yyyy-MM-dd-HH:mm:ss') |
Parameter: New column name | 'fctn_datetime' |
Results:
注意
All inputs must be inferred as Integer type and must be valid values for the specified input. For example, month values must be integers between 1 and 12, inclusive.
year | month | day | hour | minute | second | fctn_date | fctn_time | fctn_datetime |
|---|---|---|---|---|---|---|---|---|
2016 | 10 | 11 | 2 | 3 | 0 | 2016-10-11 | 02-03-00 | 2016-10-11-02:03:00 |
2015 | 11 | 20 | 15 | 22 | 30 | 2015-11-20 | 15-22-30 | 2015-11-20-15:22:30 |
2014 | 12 | 25 | 18 | 30 | 45 | 2014-12-25 | 18-30-45 | 2014-12-25-18:30:45 |
You can apply other date and time functions to the generated columns. For an example, see YEAR Function.