ABAP Select data from SAP table RGJJVD00_ALV3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RGJJVD00_ALV3 table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to RGJJVD00_ALV3. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the RGJJVD00_ALV3 table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_RGJJVD00_ALV3 TYPE STANDARD TABLE OF RGJJVD00_ALV3,
      WA_RGJJVD00_ALV3 TYPE RGJJVD00_ALV3,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <RGJJVD00_ALV3> TYPE RGJJVD00_ALV3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RGJJVD00_ALV3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RGJJVD00_ALV3
  INTO TABLE IT_RGJJVD00_ALV3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RGJJVD00_ALV3
*  INTO TABLE @DATA(IT_RGJJVD00_ALV32).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_RGJJVD00_ALV3 INDEX 1 INTO DATA(WA_RGJJVD00_ALV32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RGJJVD00_ALV3 ASSIGNING <RGJJVD00_ALV3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RGJJVD00_ALV3>-PARTN = 1.
<RGJJVD00_ALV3>-EQSHARE = 1.
<RGJJVD00_ALV3>-INTTYPE = 1.
<RGJJVD00_ALV3>-INTDESC = 1.
<RGJJVD00_ALV3>-NWI = 1.

ENDLOOP.

LOOP AT IT_RGJJVD00_ALV3 INTO WA_RGJJVD00_ALV3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RGJJVD00_ALV3-STOPPAY, sy-vline,
  WA_RGJJVD00_ALV3-OWNSUSP, sy-vline,
  WA_RGJJVD00_ALV3-OWNSUSPER, sy-vline,
  WA_RGJJVD00_ALV3-OWNSUSYEAR, sy-vline,
  WA_RGJJVD00_ALV3-OWNUNSUS, sy-vline,
  WA_RGJJVD00_ALV3-OWNUSUSPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RGJJVD00_ALV3 you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_RGJJVD00_ALV3 TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_RGJJVD00_ALV3 INTO WA_RGJJVD00_ALV3.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field PARTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-PARTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-PARTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field OWNSUSYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-OWNSUSYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-OWNSUSYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field OWNUSUSYR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-OWNUSUSYR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-OWNUSUSYR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CARRYOWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-CARRYOWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-CARRYOWNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-VNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-VNAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EGRUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-EGRUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-EGRUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JOA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RGJJVD00_ALV3-JOA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RGJJVD00_ALV3-JOA.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RGJJVD00_ALV3_STR, 
PARTN TYPE STRING,
EQSHARE TYPE STRING,
INTTYPE TYPE STRING,
INTDESC TYPE STRING,
NWI TYPE STRING,
STOPPAY TYPE STRING,
OWNSUSP TYPE STRING,
OWNSUSPER TYPE STRING,
OWNSUSYEAR TYPE STRING,
OWNUNSUS TYPE STRING,
OWNUSUSPER TYPE STRING,
OWNUSUSYR TYPE STRING,
CIGROUP TYPE STRING,
NPIGROUP TYPE STRING,
REGIO TYPE STRING,
CARRYOWNER TYPE STRING,
CARRSHARE TYPE STRING,
COUNTER TYPE STRING,
BUKRS TYPE STRING,
VNAME TYPE STRING,
EGRUP TYPE STRING,
NAME1 TYPE STRING,
JOA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RGJJVD00_ALV3_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_RGJJVD00_ALV3_STR-PARTN sy-vline 
WA_RGJJVD00_ALV3_STR-EQSHARE sy-vline 
WA_RGJJVD00_ALV3_STR-INTTYPE sy-vline 
WA_RGJJVD00_ALV3_STR-INTDESC sy-vline 
WA_RGJJVD00_ALV3_STR-NWI sy-vline 
WA_RGJJVD00_ALV3_STR-STOPPAY sy-vline 
WA_RGJJVD00_ALV3_STR-OWNSUSP sy-vline 
WA_RGJJVD00_ALV3_STR-OWNSUSPER sy-vline 
WA_RGJJVD00_ALV3_STR-OWNSUSYEAR sy-vline 
WA_RGJJVD00_ALV3_STR-OWNUNSUS sy-vline 
WA_RGJJVD00_ALV3_STR-OWNUSUSPER sy-vline 
WA_RGJJVD00_ALV3_STR-OWNUSUSYR sy-vline 
WA_RGJJVD00_ALV3_STR-CIGROUP sy-vline 
WA_RGJJVD00_ALV3_STR-NPIGROUP sy-vline 
WA_RGJJVD00_ALV3_STR-REGIO sy-vline 
WA_RGJJVD00_ALV3_STR-CARRYOWNER sy-vline 
WA_RGJJVD00_ALV3_STR-CARRSHARE sy-vline 
WA_RGJJVD00_ALV3_STR-COUNTER sy-vline 
WA_RGJJVD00_ALV3_STR-BUKRS sy-vline 
WA_RGJJVD00_ALV3_STR-VNAME sy-vline 
WA_RGJJVD00_ALV3_STR-EGRUP sy-vline 
WA_RGJJVD00_ALV3_STR-NAME1 sy-vline 
WA_RGJJVD00_ALV3_STR-JOA sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.