ABAP Select data from SAP table CIF_APOCOX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CIF_APOCOX 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_APOCOX. 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_APOCOX 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_APOCOX TYPE STANDARD TABLE OF CIF_APOCOX,
      WA_CIF_APOCOX TYPE CIF_APOCOX,
      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_APOCOX> TYPE CIF_APOCOX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CIF_APOCOX
*  INTO TABLE @DATA(IT_CIF_APOCOX2).
*--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_APOCOX INDEX 1 INTO DATA(WA_CIF_APOCOX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CIF_APOCOX>-CONFNR = 1.
<CIF_APOCOX>-ORDNR = 1.
<CIF_APOCOX>-OPRNR = 1.
<CIF_APOCOX>-ACTKEY = 1.
<CIF_APOCOX>-CONFTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CIF_APOCOX-STARTTIME, sy-vline,
  WA_CIF_APOCOX-ENDTIME, sy-vline,
  WA_CIF_APOCOX-QUANTITY, sy-vline,
  WA_CIF_APOCOX-SCRAPQUANT, sy-vline,
  WA_CIF_APOCOX-QUANTUNIT, sy-vline,
  WA_CIF_APOCOX-CAPID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CIF_APOCOX 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_APOCOX 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_APOCOX INTO WA_CIF_APOCOX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CIF_APOCOX_STR, 
CONFNR TYPE STRING,
ORDNR TYPE STRING,
OPRNR TYPE STRING,
ACTKEY TYPE STRING,
CONFTYPE TYPE STRING,
STARTTIME TYPE STRING,
ENDTIME TYPE STRING,
QUANTITY TYPE STRING,
SCRAPQUANT TYPE STRING,
QUANTUNIT TYPE STRING,
CAPID TYPE STRING,
DURATION TYPE STRING,
CAPACITY TYPE STRING,
CAPUNIT TYPE STRING,
OPRNR_EXT TYPE STRING,
ORDERGUID TYPE STRING,
ACTGUID TYPE STRING,
NEW_CONFTP TYPE STRING,
STORNO TYPE STRING,
FINALCONF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CIF_APOCOX_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_APOCOX_STR-CONFNR sy-vline 
WA_CIF_APOCOX_STR-ORDNR sy-vline 
WA_CIF_APOCOX_STR-OPRNR sy-vline 
WA_CIF_APOCOX_STR-ACTKEY sy-vline 
WA_CIF_APOCOX_STR-CONFTYPE sy-vline 
WA_CIF_APOCOX_STR-STARTTIME sy-vline 
WA_CIF_APOCOX_STR-ENDTIME sy-vline 
WA_CIF_APOCOX_STR-QUANTITY sy-vline 
WA_CIF_APOCOX_STR-SCRAPQUANT sy-vline 
WA_CIF_APOCOX_STR-QUANTUNIT sy-vline 
WA_CIF_APOCOX_STR-CAPID sy-vline 
WA_CIF_APOCOX_STR-DURATION sy-vline 
WA_CIF_APOCOX_STR-CAPACITY sy-vline 
WA_CIF_APOCOX_STR-CAPUNIT sy-vline 
WA_CIF_APOCOX_STR-OPRNR_EXT sy-vline 
WA_CIF_APOCOX_STR-ORDERGUID sy-vline 
WA_CIF_APOCOX_STR-ACTGUID sy-vline 
WA_CIF_APOCOX_STR-NEW_CONFTP sy-vline 
WA_CIF_APOCOX_STR-STORNO sy-vline 
WA_CIF_APOCOX_STR-FINALCONF sy-vline      INTO ld_text SEPARATED BY SPACE.

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