ABAP Select data from SAP table ACEV_ACEPSOIBSC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACEV_ACEPSOIBSC
*  INTO TABLE @DATA(IT_ACEV_ACEPSOIBSC2).
*--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_ACEV_ACEPSOIBSC INDEX 1 INTO DATA(WA_ACEV_ACEPSOIBSC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACEV_ACEPSOIBSC>-MANDT = 1.
<ACEV_ACEPSOIBSC>-COMP = 1.
<ACEV_ACEPSOIBSC>-BUKRS = 1.
<ACEV_ACEPSOIBSC>-GJAHR = 1.
<ACEV_ACEPSOIBSC>-OBJID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACEV_ACEPSOIBSC-SUBID, sy-vline,
  WA_ACEV_ACEPSOIBSC-ACRTYPE, sy-vline,
  WA_ACEV_ACEPSOIBSC-ACCRULE, sy-vline,
  WA_ACEV_ACEPSOIBSC-CUMVALCAP, sy-vline,
  WA_ACEV_ACEPSOIBSC-CUMVALACCR, sy-vline,
  WA_ACEV_ACEPSOIBSC-VALCAP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACEV_ACEPSOIBSC 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_ACEV_ACEPSOIBSC 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_ACEV_ACEPSOIBSC INTO WA_ACEV_ACEPSOIBSC.


*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_ACEV_ACEPSOIBSC-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACEV_ACEPSOIBSC-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU152, internal->external for field CUMVALCAP
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_ACEV_ACEPSOIBSC-CUMVALCAP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACEV_ACEPSOIBSC-CUMVALCAP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CUMVALACCR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_ACEV_ACEPSOIBSC-CUMVALACCR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACEV_ACEPSOIBSC-CUMVALACCR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field VALCAP
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_ACEV_ACEPSOIBSC-VALCAP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACEV_ACEPSOIBSC-VALCAP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field VALACCR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_ACEV_ACEPSOIBSC-VALACCR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACEV_ACEPSOIBSC-VALACCR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field VALRETIRE
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_ACEV_ACEPSOIBSC-VALRETIRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACEV_ACEPSOIBSC-VALRETIRE.
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_ACEV_ACEPSOIBSC_STR, 
MANDT TYPE STRING,
COMP TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
OBJID TYPE STRING,
SUBID TYPE STRING,
ACRTYPE TYPE STRING,
ACCRULE TYPE STRING,
CUMVALCAP TYPE STRING,
CUMVALACCR TYPE STRING,
VALCAP TYPE STRING,
VALACCR TYPE STRING,
VALRETIRE TYPE STRING,
CURRENCY TYPE STRING,
REF_KEY TYPE STRING,
REF_SUBKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACEV_ACEPSOIBSC_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_ACEV_ACEPSOIBSC_STR-MANDT sy-vline 
WA_ACEV_ACEPSOIBSC_STR-COMP sy-vline 
WA_ACEV_ACEPSOIBSC_STR-BUKRS sy-vline 
WA_ACEV_ACEPSOIBSC_STR-GJAHR sy-vline 
WA_ACEV_ACEPSOIBSC_STR-OBJID sy-vline 
WA_ACEV_ACEPSOIBSC_STR-SUBID sy-vline 
WA_ACEV_ACEPSOIBSC_STR-ACRTYPE sy-vline 
WA_ACEV_ACEPSOIBSC_STR-ACCRULE sy-vline 
WA_ACEV_ACEPSOIBSC_STR-CUMVALCAP sy-vline 
WA_ACEV_ACEPSOIBSC_STR-CUMVALACCR sy-vline 
WA_ACEV_ACEPSOIBSC_STR-VALCAP sy-vline 
WA_ACEV_ACEPSOIBSC_STR-VALACCR sy-vline 
WA_ACEV_ACEPSOIBSC_STR-VALRETIRE sy-vline 
WA_ACEV_ACEPSOIBSC_STR-CURRENCY sy-vline 
WA_ACEV_ACEPSOIBSC_STR-REF_KEY sy-vline 
WA_ACEV_ACEPSOIBSC_STR-REF_SUBKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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