ADELIA |
VADELIA |
SADELIA |
WADELIA |
MADELIA |
(I/B) |
(I/B) (C/S) |
(B) (S) |
(I/B) (C/S) |
(I) (C/S) |
Section for use
All
Syntax
VarId1 = VarId2
VarId = 'Constant'
VarId = NumericValue
VarId1 = PrototypeProgram (Parameter 1, ..., Parameter n) (with ADELIA (I/B) only.)
Description
Moving the value of a field into another field.
With ADELIA type programs generated in RPG:
If the assignment procedure is not managed in EVAL mode, the resulting variable (provided it is not a numeric variable) will not be cleared prior to loading.
If the assignment procedure is managed in EVAL mode and the left-hand part is alphanumeric, any data placed in a resulting field replaces any data already in the field.
See the 3GL generation tab in the environment attributes.
In a C context for ADELIA programs, and for VADELIA, WADELIA, MADELIA and SADELIA programs, the resulting variable is reset to blank.
Four situations are possible:
The resulting variable is alphanumeric: the transfer of one field to the other will begin on the left side.
The resulting variable is numeric, and the starting variable is alphanumeric: the transfer of one field to the other will begin on the right side.
The two variables are numeric, and the system begins by setting the target field to zero before transferring the other field.
If VarId1 is a DATE, TIME or TIMESTAMP type variable, VarId2 must be the same type and the value of VarId1 will be replaced with the value of VarId2.
Notes:
- If an alphanumeric variable which does not contain only digits, is being transferred to a numeric variable field, the system will display a message during execution.
- If the resulting field is too small to contain the result, the latter will be truncated on the right.
- If the assignment is done between to class instance variables, the cast forcing instruction (CAST) can be used.
Example
a) Alphanumeric to alphanumeric
(Let's assume that FIELD_A = 'ZZZZZZZZZZ' and FIELD_B = 'ABCDE')
FIELD_A = FIELD_B
FIELD_A will be equal to 'ABCDEZZZZ' |
in an ADELIA program generated in RPG that does not manage EVAL assignments. |
FIELD_A will be equal to 'ABCDE' |
in a VADELIA, WADELIA, SADELIA, MADELIA or ADELIA program using a C generator, or an ADELIA program using an RPG generator that manages EVAL assignments. |
b) Numeric to alphanumeric
(Let's assume that FIELD_A = 'ZZZZZZZZZZ' and NUM_B = 000100)
FIELD_A = NUM_B
FIELD_A will be equal to '000100ZZZZ' |
in an ADELIA program generated in RPG that does not manage EVAL assignments. |
FIELD_A will be equal to '000100' |
in a VADELIA, SADELIA, WADELIA, MADELIA or ADELIA program using a C generator, or an ADELIA program using an RPG generator that manages EVAL assignments. |
c) Numeric to numeric
(Let's assume that NUM_A = 999999999 and NUM_B = 000100)
NUM_A = NUM_B
NUM_A will be equal to 000000100 |
d) Alphanumeric to numeric
(Let's assume that NUM_A = 999999999 and FIELD_C = '012' (alpha 3 characters long))
NUM_A = FIELD_C
NUM_A will be equal to 999999012 |
in an ADELIA program. |
NUM_A will be equal to 000000012 |
in a VADELIA, SADELIA, WADELIA, MADELIA program. |