ABAP Select data from SAP table /SAPAPO/CULL_SELNET_MODE_BODY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/CULL_SELNET_MODE_BODY 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 /SAPAPO/CULL_SELNET_MODE_BODY. 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 /SAPAPO/CULL_SELNET_MODE_BODY 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_/SAPAPO/CULL_SELNET_MODE_BODY TYPE STANDARD TABLE OF /SAPAPO/CULL_SELNET_MODE_BODY,
      WA_/SAPAPO/CULL_SELNET_MODE_BODY TYPE /SAPAPO/CULL_SELNET_MODE_BODY,
      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: </SAPAPO/CULL_SELNET_MODE_BODY> TYPE /SAPAPO/CULL_SELNET_MODE_BODY.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/CULL_SELNET_MODE_BODY
  INTO TABLE IT_/SAPAPO/CULL_SELNET_MODE_BODY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CULL_SELNET_MODE_BODY
*  INTO TABLE @DATA(IT_/SAPAPO/CULL_SELNET_MODE_BODY2).
*--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_/SAPAPO/CULL_SELNET_MODE_BODY INDEX 1 INTO DATA(WA_/SAPAPO/CULL_SELNET_MODE_BODY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/CULL_SELNET_MODE_BODY ASSIGNING </SAPAPO/CULL_SELNET_MODE_BODY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CULL_SELNET_MODE_BODY>-KNOBJ = 1.
</SAPAPO/CULL_SELNET_MODE_BODY>-MODE_D = 1.
</SAPAPO/CULL_SELNET_MODE_BODY>-MODE_CNT = 1.
</SAPAPO/CULL_SELNET_MODE_BODY>-MODEID = 1.
</SAPAPO/CULL_SELNET_MODE_BODY>-MODE_ID = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/CULL_SELNET_MODE_BODY INTO WA_/SAPAPO/CULL_SELNET_MODE_BODY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CULL_SELNET_MODE_BODY-ACTID, sy-vline,
  WA_/SAPAPO/CULL_SELNET_MODE_BODY-AENNR, sy-vline,
  WA_/SAPAPO/CULL_SELNET_MODE_BODY-STDALT, sy-vline,
  WA_/SAPAPO/CULL_SELNET_MODE_BODY-RESUID, sy-vline,
  WA_/SAPAPO/CULL_SELNET_MODE_BODY-PNGUID, sy-vline,
  WA_/SAPAPO/CULL_SELNET_MODE_BODY-DURVAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CULL_SELNET_MODE_BODY 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_/SAPAPO/CULL_SELNET_MODE_BODY 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_/SAPAPO/CULL_SELNET_MODE_BODY INTO WA_/SAPAPO/CULL_SELNET_MODE_BODY.


*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_/SAPAPO/CULL_SELNET_MODE_BODY-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CULL_SELNET_MODE_BODY-AENNR.
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_/SAPAPO/CULL_SELNET_MODE_BODY_STR, 
KNOBJ TYPE STRING,
MODE_D TYPE STRING,
MODE_CNT TYPE STRING,
MODEID TYPE STRING,
MODE_ID TYPE STRING,
ACTID TYPE STRING,
AENNR TYPE STRING,
STDALT TYPE STRING,
RESUID TYPE STRING,
PNGUID TYPE STRING,
DURVAR TYPE STRING,
DURFIX TYPE STRING,
DURRND TYPE STRING,
MAX_SHORT_BREAK TYPE STRING,
PRIORITY TYPE STRING,
INTERRUPTABLE_BY_SHIFT TYPE STRING,
SLOT_START_ON_GRID TYPE STRING,
OVERLAP TYPE STRING,
CAP_REQS TYPE STRING,
ADD_FIELDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CULL_SELNET_MODE_BODY_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_/SAPAPO/CULL_SELNET_MODE_BODY_STR-KNOBJ sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-MODE_D sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-MODE_CNT sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-MODEID sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-MODE_ID sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-ACTID sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-AENNR sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-STDALT sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-RESUID sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-PNGUID sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-DURVAR sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-DURFIX sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-DURRND sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-MAX_SHORT_BREAK sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-PRIORITY sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-INTERRUPTABLE_BY_SHIFT sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-SLOT_START_ON_GRID sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-OVERLAP sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-CAP_REQS sy-vline 
WA_/SAPAPO/CULL_SELNET_MODE_BODY_STR-ADD_FIELDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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