ABAP Select data from SAP table CIF_AEOI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CIF_AEOI
*  INTO TABLE @DATA(IT_CIF_AEOI2).
*--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_CIF_AEOI INDEX 1 INTO DATA(WA_CIF_AEOI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CIF_AEOI>-MANDT = 1.
<CIF_AEOI>-AENNR = 1.
<CIF_AEOI>-AETYP = 1.
<CIF_AEOI>-OBJKT = 1.
<CIF_AEOI>-USOBJ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CIF_AEOI-CCVMS, sy-vline,
  WA_CIF_AEOI-OITXT, sy-vline,
  WA_CIF_AEOI-LTXSP, sy-vline,
  WA_CIF_AEOI-AEDAT, sy-vline,
  WA_CIF_AEOI-AENAM, sy-vline,
  WA_CIF_AEOI-ANDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CIF_AEOI 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_CIF_AEOI 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_CIF_AEOI INTO WA_CIF_AEOI.


*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 AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CIF_AEOI-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_AEOI-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LTXSP
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CIF_AEOI-LTXSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_AEOI-LTXSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field REVLV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CIF_AEOI-REVLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_AEOI-REVLV.
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_CIF_AEOI_STR, 
MANDT TYPE STRING,
AENNR TYPE STRING,
AETYP TYPE STRING,
OBJKT TYPE STRING,
USOBJ TYPE STRING,
CCVMS TYPE STRING,
OITXT TYPE STRING,
LTXSP TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
ANDAT TYPE STRING,
ANNAM TYPE STRING,
OBJDT TYPE STRING,
OBJNM TYPE STRING,
CCLCK TYPE STRING,
AEOST TYPE STRING,
REVLV TYPE STRING,
AEDTZ TYPE STRING,
CCSTO TYPE STRING,
CCOAA TYPE STRING,
CONT1 TYPE STRING,
AEOI_GUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CIF_AEOI_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_CIF_AEOI_STR-MANDT sy-vline 
WA_CIF_AEOI_STR-AENNR sy-vline 
WA_CIF_AEOI_STR-AETYP sy-vline 
WA_CIF_AEOI_STR-OBJKT sy-vline 
WA_CIF_AEOI_STR-USOBJ sy-vline 
WA_CIF_AEOI_STR-CCVMS sy-vline 
WA_CIF_AEOI_STR-OITXT sy-vline 
WA_CIF_AEOI_STR-LTXSP sy-vline 
WA_CIF_AEOI_STR-AEDAT sy-vline 
WA_CIF_AEOI_STR-AENAM sy-vline 
WA_CIF_AEOI_STR-ANDAT sy-vline 
WA_CIF_AEOI_STR-ANNAM sy-vline 
WA_CIF_AEOI_STR-OBJDT sy-vline 
WA_CIF_AEOI_STR-OBJNM sy-vline 
WA_CIF_AEOI_STR-CCLCK sy-vline 
WA_CIF_AEOI_STR-AEOST sy-vline 
WA_CIF_AEOI_STR-REVLV sy-vline 
WA_CIF_AEOI_STR-AEDTZ sy-vline 
WA_CIF_AEOI_STR-CCSTO sy-vline 
WA_CIF_AEOI_STR-CCOAA sy-vline 
WA_CIF_AEOI_STR-CONT1 sy-vline 
WA_CIF_AEOI_STR-AEOI_GUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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