ABAP Select data from SAP table ICABIPRBIXREQ_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICABIPRBIXREQ_I
*  INTO TABLE @DATA(IT_ICABIPRBIXREQ_I2).
*--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_ICABIPRBIXREQ_I INDEX 1 INTO DATA(WA_ICABIPRBIXREQ_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICABIPRBIXREQ_I>-MANDT = 1.
<ICABIPRBIXREQ_I>-CABILLGREQDOCUMENT = 1.
<ICABIPRBIXREQ_I>-CABILLGREQITEM = 1.
<ICABIPRBIXREQ_I>-CABLLBLEITMLISTID = 1.
<ICABIPRBIXREQ_I>-CABILLGREQITMAMOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICABIPRBIXREQ_I-CABILLGREQITMAMOUNTCURRENCY, sy-vline,
  WA_ICABIPRBIXREQ_I-CABLLBLEITMCLASS, sy-vline,
  WA_ICABIPRBIXREQ_I-CABLLBLEITMSOURCETRANSTYPE, sy-vline,
  WA_ICABIPRBIXREQ_I-CABLLBLEITMSOURCETRANSID, sy-vline,
  WA_ICABIPRBIXREQ_I-CABILLGFIRSTDATE, sy-vline,
  WA_ICABIPRBIXREQ_I-CABLLBLEITMPACKAGEUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICABIPRBIXREQ_I 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_ICABIPRBIXREQ_I 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_ICABIPRBIXREQ_I INTO WA_ICABIPRBIXREQ_I.


*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 CABLLBLEITMSOURCETRANSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABIPRBIXREQ_I-CABLLBLEITMSOURCETRANSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABIPRBIXREQ_I-CABLLBLEITMSOURCETRANSID.
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_ICABIPRBIXREQ_I_STR, 
MANDT TYPE STRING,
CABILLGREQDOCUMENT TYPE STRING,
CABILLGREQITEM TYPE STRING,
CABLLBLEITMLISTID TYPE STRING,
CABILLGREQITMAMOUNT TYPE STRING,
CABILLGREQITMAMOUNTCURRENCY TYPE STRING,
CABLLBLEITMCLASS TYPE STRING,
CABLLBLEITMSOURCETRANSTYPE TYPE STRING,
CABLLBLEITMSOURCETRANSID TYPE STRING,
CABILLGFIRSTDATE TYPE STRING,
CABLLBLEITMPACKAGEUUID TYPE STRING,
CABLLBLEITMPACKNO TYPE STRING,
CABLLBLEITMCREATIONDATE TYPE STRING,
CAINVOICINGDOCUMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICABIPRBIXREQ_I_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_ICABIPRBIXREQ_I_STR-MANDT sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABILLGREQDOCUMENT sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABILLGREQITEM sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMLISTID sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABILLGREQITMAMOUNT sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABILLGREQITMAMOUNTCURRENCY sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMCLASS sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMSOURCETRANSTYPE sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMSOURCETRANSID sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABILLGFIRSTDATE sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMPACKAGEUUID sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMPACKNO sy-vline 
WA_ICABIPRBIXREQ_I_STR-CABLLBLEITMCREATIONDATE sy-vline 
WA_ICABIPRBIXREQ_I_STR-CAINVOICINGDOCUMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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