ABAP Select data from SAP table ACCRIMPBASIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACCRIMPBASIS
*  INTO TABLE @DATA(IT_ACCRIMPBASIS2).
*--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_ACCRIMPBASIS INDEX 1 INTO DATA(WA_ACCRIMPBASIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACCRIMPBASIS>-TABIX = 1.
<ACCRIMPBASIS>-BUKRS = 1.
<ACCRIMPBASIS>-BELNR = 1.
<ACCRIMPBASIS>-DOCTYP = 1.
<ACCRIMPBASIS>-LVORM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACCRIMPBASIS-BLDAT, sy-vline,
  WA_ACCRIMPBASIS-ACCRVALUE, sy-vline,
  WA_ACCRIMPBASIS-CURRENCY, sy-vline,
  WA_ACCRIMPBASIS-DATAB, sy-vline,
  WA_ACCRIMPBASIS-DATBI, sy-vline,
  WA_ACCRIMPBASIS-ATEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACCRIMPBASIS 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_ACCRIMPBASIS 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_ACCRIMPBASIS INTO WA_ACCRIMPBASIS.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACCRIMPBASIS-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACCRIMPBASIS-BELNR.
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_ACCRIMPBASIS_STR, 
TABIX TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
DOCTYP TYPE STRING,
LVORM TYPE STRING,
BLDAT TYPE STRING,
ACCRVALUE TYPE STRING,
CURRENCY TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
ATEXT TYPE STRING,
ATYPE TYPE STRING,
XBELNR TYPE STRING,
STGMETH TYPE STRING,
SZBMETH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACCRIMPBASIS_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_ACCRIMPBASIS_STR-TABIX sy-vline 
WA_ACCRIMPBASIS_STR-BUKRS sy-vline 
WA_ACCRIMPBASIS_STR-BELNR sy-vline 
WA_ACCRIMPBASIS_STR-DOCTYP sy-vline 
WA_ACCRIMPBASIS_STR-LVORM sy-vline 
WA_ACCRIMPBASIS_STR-BLDAT sy-vline 
WA_ACCRIMPBASIS_STR-ACCRVALUE sy-vline 
WA_ACCRIMPBASIS_STR-CURRENCY sy-vline 
WA_ACCRIMPBASIS_STR-DATAB sy-vline 
WA_ACCRIMPBASIS_STR-DATBI sy-vline 
WA_ACCRIMPBASIS_STR-ATEXT sy-vline 
WA_ACCRIMPBASIS_STR-ATYPE sy-vline 
WA_ACCRIMPBASIS_STR-XBELNR sy-vline 
WA_ACCRIMPBASIS_STR-STGMETH sy-vline 
WA_ACCRIMPBASIS_STR-SZBMETH sy-vline      INTO ld_text SEPARATED BY SPACE.

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