How to define a TYPE REF TO data into my local variable/structure?

Hello,
I am trying to implementing a BADI, in its signature part,
c_accit TYPE REF TO data.
My pseudo code goes like,
DATA: l_itm_details TYPE REF TO data.
l_itm_details = c_accit.
l_itm_details-koart = 'D' =====> here am getting error!
* Do processing
ENDIF.
Here am getting error that, l_itm_details is not a structure! Pls. let me know how to fix it?
Thank you

Hello,
c_accit TYPE REF TO data.
C_ACCIT is a "data reference" parameter. In order to access its components you have to "de-reference" it!
FIELD-SYMBOLS: <l_itm_details> TYPE ANY,
<l_value> TYPE ANY.
ASSIGN c_accit->* TO <l_itm_details>."De-reference the data reference
ASSIGN COMPONENT 'KOART' OF STRUCTURE <l_itm_details> TO <l_value>.
If you know the structure of the data reference variable you can define your field-symbol <l_itm_details> of that type directly, else you can define a generic type as mentioned in the code snippet.
BR,
Suhas

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8 /
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HI All,
I have field that is defined as type ref to data ,and the type of it is table with data inside of it lr_data.
I have the also the table type of lr_data and I want to add additional line to the type ref to data field.
How can i do that ?
For example
TYPES: BEGIN OF bank_list,
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data lt_bank type table of bank_list.
data lr_data data ref to data.
Now lr_datae is type lt_bank " in _Runtine
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I get the lr_data with 4 entries and I want to add new entry to the table.
How can I do that?
Thanks,
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Edited by: Joy Stpr on Feb 8, 2012 10:05 PM

Hello Joy,
You can check this code snippet to get an idea on how to proceed with your requirement:
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PUBLIC SECTION.
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                           EXCEPTIONS err_invalid_type.
ENDCLASS.                    "lcl_add_data DEFINITION
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CLASS lcl_add_data IMPLEMENTATION.
METHOD add_data.
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BEGIN OF bank_list,
country_key TYPE string,
bank_key    TYPE string,
bank_name   TYPE string,
bank_city   TYPE string,
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BR,
Suhas

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hey ,
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>
ASA MOKED wrote:
> hey ,
>
>
> DATA: NODE_FLIGHTS TYPE REF TO IF_WD_CONTEXT_NODE.
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>
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Dear friends,
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data: stru_tab type ref to data.

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Type Length Standard length Description
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d 8 characters   Date field
f 8 bytes   Floating point number
i 4 bytes   4 byte integer
n 1 to 65,535 characters 1 character Numeric text
p 1 to 16 bytes 8 bytes Packed number
string variable   Text string
s 2 bytes   2 byte integer (internal)
t 6 characters   Time field
x 1 to 65,535 bytes 1 byte Byte field
xstring variable   Byte string
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All predefined ABAP types for which a length interval is specified in second column in the table are generic, which means that the length is not part of the type description. For the type p, the fractional portion is indefinite as well as the length.
The entries in the standard length column specify the length that is used for the corresponding generic data type when declaring data objects, if no explicit length is specified in the relevant statement.
In Unicode systems, the length must either be specified in characters and bytes. In non-Unicode systems, the length of a character is one byte, but in Unicode systems the length of a character depends on which Unicode character representation is used.
Generic ABAP Types
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Type Description
any Any data type (suitable for any type)
any table Internal table of any table type
c Text field of generic length
clike Character-type (c, d, n, t, string and character-type flat structures); in non- Unicode programs also x, xstring and any flat structures
csequence Text-type (c, string)
data Any data type
hashed table Hashed table
index table Index table
n numeric text of generic length
numeric Numeric (b, i, p, f, s)
object Any object type (root class of the inheritance hierarchy)
p Packed number of generic length and generic number of decimal places
simple Elementary data type including structured types with exclusively character-type flat components
sorted table Sorted table
Standard table Standard table
table Standard table
x Byte field of generic length
xsequence byte-type (x, xstring)
The genric types clike, csequence, numeric,simple, and xsequence are available as of release 6.10.
Notes
The generic type any currently has the same effect in typing as the generic type data. When declaring references, any cannot yest be specified after REF TO. Generic data references (REF TO data) or generic object references (REF TO object) are possible. The generic type object can currently only be specified after REF TO.
Except for the built-in generic types illustrated in the table above, there are at the moment no self-defined generic types in ABAP with only one exception: A table type defined with TYPES - TABLE OF or defined in the ABAP Dictionary without completely specifying the table key, is also generic.
Predefined Types in the ABAP Dictionary
The following table lists the predefined types in the ABAP Dictionary. These types cannot be used directly in ABAP programs, and are therefore known as external data types. Instead, they are used in the ABAP Dictionary for the definition of data types to which ABAP programs can refer. The predefined data types of the ABAP Dictionary must also be taken into account in Open SQL statements and when working with screens: Open SQL statements work with database tables defined in the ABAP Dictionary whose colums have external data types. Screen fields are also declared in the Screen Painter with reference to external data types.
Type Permitted Places m Meaning ABAP Type
ACCP 6 Accounting period n(6)
CHAR 1-255 Character string c(m)
CLNT 3 Client c(3)
CUKY 5 Currency key c(5)
CURR 1-31 Currency field p((m+1)/2)
DATS 8 Date d
DEC 1-31 Calculation/amount field p((m+1)/2)
FLTP 16 Floating point number f(8)
INT1 3 1 byte integer b
INT2 5 2 byte integer s
INT4 10 4 byte integer i
LANG 1 Language c(1)
LCHR 256-... Long character string c(m)
LRAW 256-... Long byte string x(m)
NUMC 1-255 numerischer Text n(m)
PREC 2 Accuracy of a quantity field s
QUAN 1-31 Quantity field p((m+1)/2)
RAW 1-255 Byte sequence x(m)
RAWSTRING 256-... Byte sequence xstring
SSTRING 1-255 Character string string
STRING 256-... Character string string
TIMS 6 Time t
UNIT 2-3 Unit key c(m)
For types LCHR and LRAW, the maximum number of places in a transparent database table is the value of the preceding INT2 field.
The types RAWSTRING and STRING have a variable length. A maximum length for these types can be specified, but has no upper limit.
The type SSTRING is available as of release 6.10 and it has a variable length. Its maximum length must be specified and is limited to 255. The advantage of this type compared with CHAR, is that it is assigned to the ABAP type string.
The table below shows the data types of the ABAP Dictionary that are based on the predefined types in the above table, and that can be addressed in an ABAP program. The elementary components of these data types are converted to predefined ABAP data types according to the final column in the above table, whereby the number of places m of each type is converted to lengths.
Data types in the ABAP Dictionary Data types in ABAP
Data element Elementary data type, Reference type
Structure, Database table, View Structured data type
Table type Table type
Note
As of release 6.20, a component of structures or database tables that has the type LANG can be identified as a text language. The text language is used for the conversion of character-type components of the structure when importing data from data clusters and for RFC between MDMP systems and Unicode systems.

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