ABAP Select data from SAP table BAPIACAM09_DE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIACAM09_DE 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 BAPIACAM09_DE. 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 BAPIACAM09_DE 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_BAPIACAM09_DE TYPE STANDARD TABLE OF BAPIACAM09_DE,
      WA_BAPIACAM09_DE TYPE BAPIACAM09_DE,
      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: <BAPIACAM09_DE> TYPE BAPIACAM09_DE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIACAM09_DE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIACAM09_DE
  INTO TABLE IT_BAPIACAM09_DE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIACAM09_DE
*  INTO TABLE @DATA(IT_BAPIACAM09_DE2).
*--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_BAPIACAM09_DE INDEX 1 INTO DATA(WA_BAPIACAM09_DE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIACAM09_DE ASSIGNING <BAPIACAM09_DE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIACAM09_DE>-POSNR = 1.
<BAPIACAM09_DE>-BUKRS = 1.
<BAPIACAM09_DE>-ANLN1 = 1.
<BAPIACAM09_DE>-ANLN2 = 1.
<BAPIACAM09_DE>-GJAHR = 1.

ENDLOOP.

LOOP AT IT_BAPIACAM09_DE INTO WA_BAPIACAM09_DE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIACAM09_DE-LNRAN, sy-vline,
  WA_BAPIACAM09_DE-GAFABER, sy-vline,
  WA_BAPIACAM09_DE-BZDAT, sy-vline,
  WA_BAPIACAM09_DE-BWASL, sy-vline,
  WA_BAPIACAM09_DE-ANBTR, sy-vline,
  WA_BAPIACAM09_DE-XANTW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIACAM09_DE 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_BAPIACAM09_DE 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_BAPIACAM09_DE INTO WA_BAPIACAM09_DE.


*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 ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09_DE-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09_DE-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09_DE-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09_DE-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09_DE-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09_DE-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GAFABER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09_DE-GAFABER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09_DE-GAFABER.
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_BAPIACAM09_DE_STR, 
POSNR TYPE STRING,
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
GJAHR TYPE STRING,
LNRAN TYPE STRING,
GAFABER TYPE STRING,
BZDAT TYPE STRING,
BWASL TYPE STRING,
ANBTR TYPE STRING,
XANTW TYPE STRING,
XAWBT TYPE STRING,
AUFWV TYPE STRING,
INVZV TYPE STRING,
NAFAV TYPE STRING,
SAFAV TYPE STRING,
AAFAV TYPE STRING,
MAFAV TYPE STRING,
AUFNV TYPE STRING,
AUFWL TYPE STRING,
INVZL TYPE STRING,
NAFAL TYPE STRING,
SAFAL TYPE STRING,
AAFAL TYPE STRING,
MAFAL TYPE STRING,
AUFNL TYPE STRING,
ERLBT TYPE STRING,
VERKO TYPE STRING,
WAERS TYPE STRING,
WAERS_ISO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIACAM09_DE_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_BAPIACAM09_DE_STR-POSNR sy-vline 
WA_BAPIACAM09_DE_STR-BUKRS sy-vline 
WA_BAPIACAM09_DE_STR-ANLN1 sy-vline 
WA_BAPIACAM09_DE_STR-ANLN2 sy-vline 
WA_BAPIACAM09_DE_STR-GJAHR sy-vline 
WA_BAPIACAM09_DE_STR-LNRAN sy-vline 
WA_BAPIACAM09_DE_STR-GAFABER sy-vline 
WA_BAPIACAM09_DE_STR-BZDAT sy-vline 
WA_BAPIACAM09_DE_STR-BWASL sy-vline 
WA_BAPIACAM09_DE_STR-ANBTR sy-vline 
WA_BAPIACAM09_DE_STR-XANTW sy-vline 
WA_BAPIACAM09_DE_STR-XAWBT sy-vline 
WA_BAPIACAM09_DE_STR-AUFWV sy-vline 
WA_BAPIACAM09_DE_STR-INVZV sy-vline 
WA_BAPIACAM09_DE_STR-NAFAV sy-vline 
WA_BAPIACAM09_DE_STR-SAFAV sy-vline 
WA_BAPIACAM09_DE_STR-AAFAV sy-vline 
WA_BAPIACAM09_DE_STR-MAFAV sy-vline 
WA_BAPIACAM09_DE_STR-AUFNV sy-vline 
WA_BAPIACAM09_DE_STR-AUFWL sy-vline 
WA_BAPIACAM09_DE_STR-INVZL sy-vline 
WA_BAPIACAM09_DE_STR-NAFAL sy-vline 
WA_BAPIACAM09_DE_STR-SAFAL sy-vline 
WA_BAPIACAM09_DE_STR-AAFAL sy-vline 
WA_BAPIACAM09_DE_STR-MAFAL sy-vline 
WA_BAPIACAM09_DE_STR-AUFNL sy-vline 
WA_BAPIACAM09_DE_STR-ERLBT sy-vline 
WA_BAPIACAM09_DE_STR-VERKO sy-vline 
WA_BAPIACAM09_DE_STR-WAERS sy-vline 
WA_BAPIACAM09_DE_STR-WAERS_ISO sy-vline      INTO ld_text SEPARATED BY SPACE.

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