ABAP Select data from SAP table CE3RAGB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CE3RAGB 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 CE3RAGB. 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 CE3RAGB 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_CE3RAGB TYPE STANDARD TABLE OF CE3RAGB,
      WA_CE3RAGB TYPE CE3RAGB,
      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: <CE3RAGB> TYPE CE3RAGB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CE3RAGB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CE3RAGB
  INTO TABLE IT_CE3RAGB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CE3RAGB
*  INTO TABLE @DATA(IT_CE3RAGB2).
*--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_CE3RAGB INDEX 1 INTO DATA(WA_CE3RAGB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CE3RAGB ASSIGNING <CE3RAGB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CE3RAGB>-MANDT = 1.
<CE3RAGB>-PAOBJNR = 1.
<CE3RAGB>-PALEDGER = 1.
<CE3RAGB>-VRGAR = 1.
<CE3RAGB>-PLIKZ = 1.

ENDLOOP.

LOOP AT IT_CE3RAGB INTO WA_CE3RAGB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CE3RAGB-VERSI, sy-vline,
  WA_CE3RAGB-PERBL, sy-vline,
  WA_CE3RAGB-PASUBNR, sy-vline,
  WA_CE3RAGB-PAPAOBJNR, sy-vline,
  WA_CE3RAGB-PAPASUBNR, sy-vline,
  WA_CE3RAGB-HRKFT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CE3RAGB 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_CE3RAGB 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_CE3RAGB INTO WA_CE3RAGB.


*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 LEDBO, internal->external for field PALEDGER
CALL FUNCTION 'CONVERSION_EXIT_LEDBO_OUTPUT'
  EXPORTING
    input =                      WA_CE3RAGB-PALEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE3RAGB-PALEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CE3RAGB-VERSI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE3RAGB-VERSI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field PERBL
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_CE3RAGB-PERBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE3RAGB-PERBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CE3RAGB-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE3RAGB-GJAHR.
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_CE3RAGB_STR, 
MANDT TYPE STRING,
PAOBJNR TYPE STRING,
PALEDGER TYPE STRING,
VRGAR TYPE STRING,
PLIKZ TYPE STRING,
VERSI TYPE STRING,
PERBL TYPE STRING,
PASUBNR TYPE STRING,
PAPAOBJNR TYPE STRING,
PAPASUBNR TYPE STRING,
HRKFT TYPE STRING,
UPDAT TYPE STRING,
USNAM TYPE STRING,
GJAHR TYPE STRING,
REC_WAERS TYPE STRING,
TIMESTMP TYPE STRING,
VV010001 TYPE STRING,
VV020001 TYPE STRING,
VV030001 TYPE STRING,
VV040001 TYPE STRING,
VV060001 TYPE STRING,
VV070001 TYPE STRING,
VV090001 TYPE STRING,
VV100001 TYPE STRING,
VV120001 TYPE STRING,
VV140001 TYPE STRING,
VV150001 TYPE STRING,
VV190001 TYPE STRING,
VV191001 TYPE STRING,
VV220001 TYPE STRING,
VV230001 TYPE STRING,
VV250001 TYPE STRING,
VV251001 TYPE STRING,
VV260001 TYPE STRING,
VV270001 TYPE STRING,
VV280001 TYPE STRING,
VV290001 TYPE STRING,
VV300001 TYPE STRING,
VV310001 TYPE STRING,
VV320001 TYPE STRING,
VV330001 TYPE STRING,
VV340001 TYPE STRING,
VV350001 TYPE STRING,
VV360001 TYPE STRING,
VV364001 TYPE STRING,
VV365001 TYPE STRING,
VV520001 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CE3RAGB_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_CE3RAGB_STR-MANDT sy-vline 
WA_CE3RAGB_STR-PAOBJNR sy-vline 
WA_CE3RAGB_STR-PALEDGER sy-vline 
WA_CE3RAGB_STR-VRGAR sy-vline 
WA_CE3RAGB_STR-PLIKZ sy-vline 
WA_CE3RAGB_STR-VERSI sy-vline 
WA_CE3RAGB_STR-PERBL sy-vline 
WA_CE3RAGB_STR-PASUBNR sy-vline 
WA_CE3RAGB_STR-PAPAOBJNR sy-vline 
WA_CE3RAGB_STR-PAPASUBNR sy-vline 
WA_CE3RAGB_STR-HRKFT sy-vline 
WA_CE3RAGB_STR-UPDAT sy-vline 
WA_CE3RAGB_STR-USNAM sy-vline 
WA_CE3RAGB_STR-GJAHR sy-vline 
WA_CE3RAGB_STR-REC_WAERS sy-vline 
WA_CE3RAGB_STR-TIMESTMP sy-vline 
WA_CE3RAGB_STR-VV010001 sy-vline 
WA_CE3RAGB_STR-VV020001 sy-vline 
WA_CE3RAGB_STR-VV030001 sy-vline 
WA_CE3RAGB_STR-VV040001 sy-vline 
WA_CE3RAGB_STR-VV060001 sy-vline 
WA_CE3RAGB_STR-VV070001 sy-vline 
WA_CE3RAGB_STR-VV090001 sy-vline 
WA_CE3RAGB_STR-VV100001 sy-vline 
WA_CE3RAGB_STR-VV120001 sy-vline 
WA_CE3RAGB_STR-VV140001 sy-vline 
WA_CE3RAGB_STR-VV150001 sy-vline 
WA_CE3RAGB_STR-VV190001 sy-vline 
WA_CE3RAGB_STR-VV191001 sy-vline 
WA_CE3RAGB_STR-VV220001 sy-vline 
WA_CE3RAGB_STR-VV230001 sy-vline 
WA_CE3RAGB_STR-VV250001 sy-vline 
WA_CE3RAGB_STR-VV251001 sy-vline 
WA_CE3RAGB_STR-VV260001 sy-vline 
WA_CE3RAGB_STR-VV270001 sy-vline 
WA_CE3RAGB_STR-VV280001 sy-vline 
WA_CE3RAGB_STR-VV290001 sy-vline 
WA_CE3RAGB_STR-VV300001 sy-vline 
WA_CE3RAGB_STR-VV310001 sy-vline 
WA_CE3RAGB_STR-VV320001 sy-vline 
WA_CE3RAGB_STR-VV330001 sy-vline 
WA_CE3RAGB_STR-VV340001 sy-vline 
WA_CE3RAGB_STR-VV350001 sy-vline 
WA_CE3RAGB_STR-VV360001 sy-vline 
WA_CE3RAGB_STR-VV364001 sy-vline 
WA_CE3RAGB_STR-VV365001 sy-vline 
WA_CE3RAGB_STR-VV520001 sy-vline      INTO ld_text SEPARATED BY SPACE.

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