Date&Time Difference

Calculates the difference between two date&time columns and appends the result in a new column. The difference can be output as either a duration or a number with a specified granularity (years, months, weeks, days, hours, minutes, seconds, milliseconds, nanoseconds). You can select the second date&time from another column, the execution date&time, a fixed date&time, or the previous row's date&time.
This node is commonly used to calculate time intervals between events for time series analysis or process monitoring.

Options

First date&time column

The first date&time column. The first and second column will be subtracted from each other, with the direction depending on the 'mode' option.

Second date&time value

The source of the second date&time value.

• Column: Calculates the difference between the selected second column and the first column. Differences can only be calculated between columns of the same type. Using the Modify Time, Modify Date, and Modify Time Zone nodes you can adjust the date&time formats beforehand.
• Fixed date&time: Calculates the difference between the selected fixed date&time and the first column.
• Execution date&time: Calculates the difference between the execution date&time and the chosen first column.
• Previous row: Calculates the difference between the date&time in row n and row n-1 in the chosen row. Note that the first row in the output will be MISSING as there is no previous row to calculate the difference with.

Second date&time column

The second date&time column to calculate the difference to.

Date

The fixed date to calculate the difference to.

Time

The fixed time to calculate the difference to.

Local date&time

The fixed local date&time to calculate the difference to.

Zoned date&time

The fixed zoned date&time to calculate the difference to.

Mode

The mode in which the date&time values are subtracted from each other: either subtract the second value from the first, or subtract the first from the second.

Output type

The type of the output column.

Granularity

The unit of the output column when converting to a number.

Output number type

The type of the numeric output column.

• No decimals: The output column will be an integer. Applicable for all granularities.
• Decimals: The output column will be a floating-point number. Not applicable for date-based granularities.

Output column name

The name of the output column.

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