declaration of variables in abap
ABAP May 9th, 2008
declaration of variables:
DATA: time TYPE T.
A variable can be from the following data types:
|
Data Type |
Initial field length |
Valid field length |
Initial value |
Meaning |
|
|
Numeric types |
|||||
|
I |
4 |
4 |
0 |
Integer (whole number) |
|
|
F |
8 |
8 |
0 |
Floating point number |
|
|
P |
8 |
1 - 16 |
0 |
Packed number |
|
|
Character types |
|||||
|
C |
1 |
1 - 65535 |
' … ' |
Text field (alphanumeric characters) |
|
|
D |
8 |
8 |
'00000000' |
Date field (Format: YYYYMMDD) |
|
|
N |
1 |
1 - 65535 |
'0 … 0' |
Numeric text field (numeric characters) |
|
|
T |
6 |
6 |
'000000' |
Time field (format: HHMMSS) |
|
|
Hexadecimal type |
|||||
|
X |
1 |
1 - 65535 |
X'0 … 0' |
Hexadecimal field |
|
declaration of constants:
CONSTANTS: pi TYPE P DECIMALS 10 VALUE '3.1415926536'.
declaration of parameters:
This is when you create a parameter field onscreen. The variable is checked for the right syntax.
It's also possible to refer to a field by using "tablename-field". If that field is a date then u can select the date using a standard SAP popup.
PARAMETERS: x as checkbox.
PARAMETERS DATUM LIKE SY-DATUM DEFAULT '19931224' .
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