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The Transformation Language
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- VARIANCE

Transformation Language Reference

10.4.0
- 10.5.6
- 10.5.4
- 10.5.1
- 10.5

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MIN (String)

Returns the lowest string value found in a port or group. You can apply a filter to limit the rows in the search. You can nest only one other aggregate function within MIN, and the nested function must return a string datatype.

The MIN function uses the same sort order that the Sorter transformation uses. However, the MIN function is case sensitive, but the Sorter transformation may not be case sensitive.

You can also use MIN to return the latest date or the minimum numeric value in a port or group.

Syntax

MIN( string [, filter_condition] )

The following table describes the arguments for this command:

Argument	Required/ Optional	Description
string	Required	String datatype. Passes the values for which you want to return minimum value. You can enter any valid transformation expression.
filter_condition	Optional	Limits the rows in the search. The filter condition must be a numeric value or evaluate to TRUE, FALSE, or NULL. You can enter any valid transformation expression.

Return Value

String value.

NULL if all values passed to the function are NULL, or if no rows are selected (for example, the filter condition evaluates to FALSE or NULL for all rows).

Nulls

If a single value is NULL, MIN ignores it. However, if all values passed from the port are NULL, MIN returns NULL.

Group By

MIN groups values based on group by ports you define in the transformation, returning one result for each group.

If there is no group by port, MIN treats all rows as one group, returning one value.

Example

The following expression returns the minimum item name for manufacturer ID 104:

MIN ( ITEM_NAME, MANUFACTURER_ID='104' )

MANUFACTURER_ID	ITEM_NAME
101	First Stage Regulator
102	Electronic Console
104	Flashlight
104	Battery (9 volt)
104	Rope (20 ft)
104	60.6 cu ft Tank
107	75.4 cu ft Tank
108	Wristband Thermometer

RETURN VALUE: 60.6 cu ft Tank

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Table of Contents

Transformation Language Reference

Transformation Language Reference

MIN (String)

MIN (String)

Syntax

Return Value

Nulls

Group By

Example