Preface
The Transformation Language
Constants
Operators
Variables
- Built-in Variables
  - SYSDATE
    - Example
- Local Variables
Dates
Functions
- Function Categories
  - Aggregate Functions
  - Aggregate Functions and Nulls
    - Filter Conditions
  - Character Functions
  - Complex Functions
  - Conversion Functions
  - Data Cleansing Functions
  - Date Functions
  - Encoding Functions
  - Financial Functions
  - Numeric Functions
  - Scientific Functions
  - Special Functions
  - String Functions
  - Test Functions
  - Window Functions
- ABORT
- ABS
- ADD_TO_DATE
- AES_DECRYPT
- AES_ENCRYPT
- ANY
- ARRAY
- ASCII
- AVG
- CAST
- CEIL
- CHOOSE
- CHR
- CHRCODE
- COLLECT_LIST
- COLLECT_MAP
- COMPRESS
- CONCAT
- CONCAT_ARRAY
- CONVERT_BASE
- COS
- COSH
- COUNT
- CRC32
- CREATE_TIMESTAMP_TZ
- CUME
- DATE_COMPARE
- DATE_DIFF
- DEC_BASE64
- DECODE
- DECOMPRESS
- ENC_BASE64
- ERROR
- EXP
- FIRST
- FLOOR
- FV
- GET_DATE_PART
- GET_TIMEZONE
- GET_TIMESTAMP
- GREATEST
- IIF
- IN
- INDEXOF
- INITCAP
- INSTR
- ISNULL
- IS_DATE
- IS_NUMBER
- IS_SPACES
- LAG
- LAST
- LAST_DAY
- LEAD
- LEAST
- LENGTH
- LN
- LOG
- LOWER
- LPAD
- LTRIM
- MAKE_DATE_TIME
- MAP
- MAP_FROM_ARRAYS
- MAP_KEYS
- MAP_VALUES
- MAX (Dates)
- MAX (Numbers)
- MAX (String)
- MD5
- MEDIAN
- METAPHONE
- MIN (Dates)
- MIN (Numbers)
- MIN (String)
- MOD
- MOVINGAVG
- MOVINGSUM
- NPER
- PARSE_JSON
- PARSE_XML
- PERCENTILE
- PMT
- POWER
- PV
- RAND
- RATE
- REG_EXTRACT
- REG_MATCH
- REG_REPLACE
- REPLACECHR
- REPLACESTR
- RESPEC
- REVERSE
- ROUND (Dates)
- ROUND (Numbers)
- RPAD
- RTRIM
- SET_DATE_PART
- SIGN
- SIN
- SINH
- SIZE
- SOUNDEX
- SQL_LIKE
- SQRT
- STDDEV
- STRUCT
- STRUCT_AS
- SUBSTR
- SUM
- SYSTIMESTAMP
- TAN
- TANH
- TIME_RANGE
- TO_BIGINT
- TO_CHAR (Dates)
- TO_CHAR (Numbers)
- TO_DATE
- TO_DECIMAL
- TO_DECIMAL38
- TO_FLOAT
- TO_INTEGER
- TO_TIMESTAMP_TZ
- TRUNC (Dates)
- TRUNC (Numbers)
- UPPER
- UUID4
- UUID_UNPARSE
- VARIANCE

Transformation Language Reference

10.4.0
- 10.5.6
- 10.5.4
- 10.5.1
- 10.5

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Operator Precedence

The transformation language supports the use of multiple operators and the use of operators within nested expressions.

If you write an expression that includes multiple operators, the

Data Integration Service

evaluates the expression in the following order:

Complex operators

Arithmetic operators

String operators

Comparison operators

Logical operators

The

Data Integration Service

evaluates operators in the order they appear in the following table. It evaluates operators in an expression with equal precedence to all operators from left to right.

The following table lists the precedence for all transformation language operators:

Operator	Meaning
[ ], .	Subscript, dot.
( )	Parentheses.
+, -, NOT	Unary plus and minus and the logical NOT operator.
*, /,%	Multiplication, division, modulus.
+, -	Addition, subtraction.
\|\|	Concatenate.
<, <=, >, >=	Less than, less than or equal to, greater than, greater than or equal to.
=, <>, !=, ^=	Equal to, not equal to, not equal to, not equal to.
AND	Logical AND operator, used when specifying conditions.
OR	Logical OR operator, used when specifying conditions.

The transformation language also supports the use of operators within nested expressions. When expressions contain parentheses, the

Data Integration Service

evaluates operations inside parentheses before operations outside parentheses. Operations in the innermost parentheses are evaluated first.

For example, depending on how you nest the operations, the equation 8 + 5 - 2 * 8 returns different values:

Equation	Return Value
8 + 5 - 2 * 8	-3
8 + (5 - 2) * 8	32

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Table of Contents

Transformation Language Reference

Transformation Language Reference

Operator Precedence

Operator Precedence