ABAP Select data from SAP table BAPIACGL3X_MAX_DE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIACGL3X_MAX_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 BAPIACGL3X_MAX_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 BAPIACGL3X_MAX_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_BAPIACGL3X_MAX_DE TYPE STANDARD TABLE OF BAPIACGL3X_MAX_DE,
      WA_BAPIACGL3X_MAX_DE TYPE BAPIACGL3X_MAX_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: <BAPIACGL3X_MAX_DE> TYPE BAPIACGL3X_MAX_DE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIACGL3X_MAX_DE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIACGL3X_MAX_DE
  INTO TABLE IT_BAPIACGL3X_MAX_DE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIACGL3X_MAX_DE
*  INTO TABLE @DATA(IT_BAPIACGL3X_MAX_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_BAPIACGL3X_MAX_DE INDEX 1 INTO DATA(WA_BAPIACGL3X_MAX_DE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIACGL3X_MAX_DE ASSIGNING <BAPIACGL3X_MAX_DE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIACGL3X_MAX_DE>-POSNR = 1.
<BAPIACGL3X_MAX_DE>-BUKRS = 1.
<BAPIACGL3X_MAX_DE>-GJAHR = 1.
<BAPIACGL3X_MAX_DE>-MONAT = 1.
<BAPIACGL3X_MAX_DE>-HKONT = 1.

ENDLOOP.

LOOP AT IT_BAPIACGL3X_MAX_DE INTO WA_BAPIACGL3X_MAX_DE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIACGL3X_MAX_DE-KSTAZ, sy-vline,
  WA_BAPIACGL3X_MAX_DE-MWSKZ, sy-vline,
  WA_BAPIACGL3X_MAX_DE-KTOSL, sy-vline,
  WA_BAPIACGL3X_MAX_DE-LSTAR, sy-vline,
  WA_BAPIACGL3X_MAX_DE-VBUND, sy-vline,
  WA_BAPIACGL3X_MAX_DE-TXJCD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIACGL3X_MAX_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_BAPIACGL3X_MAX_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_BAPIACGL3X_MAX_DE INTO WA_BAPIACGL3X_MAX_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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-IMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-RECID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-RECID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR2
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-PS_PSP_PNR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-PS_PSP_PNR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-GRANT_NBR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-GRANT_NBR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACGL3X_MAX_DE-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACGL3X_MAX_DE-PRCTR.
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_BAPIACGL3X_MAX_DE_STR, 
POSNR TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
MONAT TYPE STRING,
HKONT TYPE STRING,
KSTAZ TYPE STRING,
MWSKZ TYPE STRING,
KTOSL TYPE STRING,
LSTAR TYPE STRING,
VBUND TYPE STRING,
TXJCD TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PS_PSP_PNR TYPE STRING,
IMKEY TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
MEINS_ISO TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
RECID TYPE STRING,
GEBER TYPE STRING,
ZUONR TYPE STRING,
SGTXT TYPE STRING,
WWERT TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
FKBER2 TYPE STRING,
GEBER2 TYPE STRING,
FISTL2 TYPE STRING,
PS_PSP_PNR2 TYPE STRING,
GRANT_NBR2 TYPE STRING,
PRCTR TYPE STRING,
BUDGET_PD TYPE STRING,
BUDGET_PD2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIACGL3X_MAX_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_BAPIACGL3X_MAX_DE_STR-POSNR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-BUKRS sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-GJAHR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-MONAT sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-HKONT sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-KSTAZ sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-MWSKZ sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-KTOSL sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-LSTAR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-VBUND sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-TXJCD sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-GSBER sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-KOSTL sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-AUFNR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-PS_PSP_PNR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-IMKEY sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-MENGE sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-MEINS sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-MEINS_ISO sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-FIPOS sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-FISTL sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-RECID sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-GEBER sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-ZUONR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-SGTXT sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-WWERT sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-FKBER sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-GRANT_NBR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-FKBER2 sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-GEBER2 sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-FISTL2 sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-PS_PSP_PNR2 sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-GRANT_NBR2 sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-PRCTR sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-BUDGET_PD sy-vline 
WA_BAPIACGL3X_MAX_DE_STR-BUDGET_PD2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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