Preface
The Transformation Language
Constants
Operators
Variables
Dates
Functions
- Function Categories
  - Aggregate Functions
  - Aggregate Functions and Nulls
    - Filter Conditions
  - Binary Functions
  - Character Functions
  - Conversion Functions
  - Data Cleansing Functions
  - Date Functions
  - Encoding Functions
  - Financial Functions
  - Numeric Functions
  - Scientific Functions
  - Special Functions
  - String Functions
  - Test Functions
  - Variable Functions
  - Window Functions
- ABORT
- ABS
- ADD_TO_DATE
- AES_DECRYPT
- AES_ENCRYPT
- ASCII
- AVG
- BINARY_COMPARE
- BINARY_CONCAT
- BINARY_LENGTH
- BINARY_SECTION
- CEIL
- CHOOSE
- CHR
- CHRCODE
- COMPRESS
- CONCAT
- CONVERT_BASE
- COS
- COSH
- COUNT
- CRC32
- CUME
- DATE_COMPARE
- DATE_DIFF
- DEC_BASE64
- DEC_HEX
- DECODE
- DECOMPRESS
- EBCDIC_ISO88591
- ENC_BASE64
- ENC_HEX
- ERROR
- EXP
- FIRST
- FLOOR
- FV
- GET_DATE_PART
- GREATEST
- IIF
- IN
- INDEXOF
- INITCAP
- INSTR
- ISNULL
- IS_DATE
- IS_NUMBER
- IS_SPACES
- LAG
- LAST
- LAST_DAY
- LEAD
- LEAST
- LENGTH
- LN
- LOG
- LOOKUP
- LOWER
- LPAD
- LTRIM
- MAKE_DATE_TIME
- MAX (Dates)
- MAX (Numbers)
- MAX (String)
- MD5
- MEDIAN
- METAPHONE
- MIN (Dates)
- MIN (Numbers)
- MIN (String)
- MOD
- MOVINGAVG
- MOVINGSUM
- NPER
- PERCENTILE
- PMT
- POWER
- PV
- RAND
- RATE
- REG_EXTRACT
- REG_MATCH
- REG_REPLACE
- REPLACECHR
- REPLACESTR
- REVERSE
- ROUND (Dates)
- ROUND (Numbers)
- RPAD
- RTRIM
- SETCOUNTVARIABLE
- SET_DATE_PART
- SETMAXVARIABLE
- SETMINVARIABLE
- SETVARIABLE
- SHA256
- SIGN
- SIN
- SINH
- SOUNDEX
- SQRT
- STDDEV
- SUBSTR
- SUM
- SYSTIMESTAMP
- TAN
- TANH
- TIME_RANGE
- TO_BIGINT
- TO_CHAR (Dates)
- TO_CHAR (Numbers)
- TO_DATE
- TO_DECIMAL
- TO_FLOAT
- TO_INTEGER
- TRUNC (Dates)
- TRUNC (Numbers)
- UPPER
- VARIANCE
Creating Custom Functions
Custom Function API Reference

Transformation Language Reference

10.5
- 10.5.7
- 10.5.6
- 10.5.1
- 10.4.0

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MIN (Dates)

Returns the earliest date 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 date datatype.

You can also use MIN to return the smallest numeric value or the lowest string value in a port or group.

Syntax

MIN( date [, filter_condition] )

The following table describes the arguments for this command:

Argument	Required/ Optional	Description
date	Required	Date/Time 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

Date if the value
argument is a date.

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 oldest order date for flashlights:

MIN( ORDER_DATE, ITEM_NAME='Flashlight' )

ITEM_NAME	ORDER_DATE
Flashlight	Apr 20 1998
Regulator System	May 15 1998
Flashlight	Sep 21 1998
Diving Hood	Aug 18 1998
Halogen Flashlight	Feb 1 1998
Flashlight	Oct 10 1998
Flashlight	NULL
RETURN VALUE: Feb 1 1998

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Table of Contents

Transformation Language Reference

Transformation Language Reference

MIN (Dates)

MIN (Dates)

Syntax

Return Value

Nulls

Group By

Example