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  1. Preface
  2. Function reference
  3. Constants
  4. Operators
  5. Dates
  6. Functions
  7. System variables
  8. Datatype reference

Function Reference

Function Reference

TO_INTEGER

TO_INTEGER

Converts a string or numeric value to an integer. TO_INTEGER syntax contains an optional argument that you can choose to round the number to the nearest integer or truncate the decimal portion. TO_INTEGER ignores leading spaces.

Syntax

TO_INTEGER(
value
[,
flag
] )
Argument
Required/
Optional
Description
value
Required
String or numeric datatype. Passes the value you want to convert to an integer. You can enter any valid expression.
flag
Optional
Specifies whether to truncate or round the decimal portion. The flag must be an integer literal or the constants TRUE or FALSE:
  • TO_INTEGER truncates the decimal portion when the flag is TRUE or a number other than 0.
  • TO_INTEGER rounds the value to the nearest integer if the flag is FALSE or 0 or if you omit this argument.

Return Value

Integer.
NULL if the value passed to the function is NULL.
0 if the value passed to the function contains alphanumeric characters.

Example

The following expressions use values from the column IN_TAX:
TO_INTEGER( IN_TAX, TRUE )
IN_TAX
RETURN VALUE
'15.6789'
15
'60.2'
60
'118.348'
118
NULL
NULL
'A12.3Grove'
0
'    123.87'
123
'-15.6789'
-15
'-15.23'
-15
TO_INTEGER( IN_TAX, FALSE)
IN_TAX
RETURN VALUE
'15.6789'
16
'60.2'
60
'118.348'
118
NULL
NULL
'A12.3Grove'
0
'    123.87'
124
'-15.6789'
-16
'-15.23'
-15

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