ABAP Select data from SAP table CIFCOMPX_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CIFCOMPX_EXT
*  INTO TABLE @DATA(IT_CIFCOMPX_EXT2).
*--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_CIFCOMPX_EXT INDEX 1 INTO DATA(WA_CIFCOMPX_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CIFCOMPX_EXT>-PLANKEY_EX = 1.
<CIFCOMPX_EXT>-VORNR_EX = 1.
<CIFCOMPX_EXT>-AKTNR_EX = 1.
<CIFCOMPX_EXT>-LOGCOMP = 1.
<CIFCOMPX_EXT>-METHOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CIFCOMPX_EXT-IOIND, sy-vline,
  WA_CIFCOMPX_EXT-MATCO, sy-vline,
  WA_CIFCOMPX_EXT-OFFCO, sy-vline,
  WA_CIFCOMPX_EXT-IOOFF, sy-vline,
  WA_CIFCOMPX_EXT-OFFUNIT, sy-vline,
  WA_CIFCOMPX_EXT-IODUR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CIFCOMPX_EXT 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_CIFCOMPX_EXT 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_CIFCOMPX_EXT INTO WA_CIFCOMPX_EXT.


*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_CIFCOMPX_EXT_STR, 
PLANKEY_EX TYPE STRING,
VORNR_EX TYPE STRING,
AKTNR_EX TYPE STRING,
LOGCOMP TYPE STRING,
METHOD TYPE STRING,
IOIND TYPE STRING,
MATCO TYPE STRING,
OFFCO TYPE STRING,
IOOFF TYPE STRING,
OFFUNIT TYPE STRING,
IODUR TYPE STRING,
DURUNIT TYPE STRING,
IOOFF_N TYPE STRING,
IS_MASTER TYPE STRING,
LOGCOMP_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CIFCOMPX_EXT_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_CIFCOMPX_EXT_STR-PLANKEY_EX sy-vline 
WA_CIFCOMPX_EXT_STR-VORNR_EX sy-vline 
WA_CIFCOMPX_EXT_STR-AKTNR_EX sy-vline 
WA_CIFCOMPX_EXT_STR-LOGCOMP sy-vline 
WA_CIFCOMPX_EXT_STR-METHOD sy-vline 
WA_CIFCOMPX_EXT_STR-IOIND sy-vline 
WA_CIFCOMPX_EXT_STR-MATCO sy-vline 
WA_CIFCOMPX_EXT_STR-OFFCO sy-vline 
WA_CIFCOMPX_EXT_STR-IOOFF sy-vline 
WA_CIFCOMPX_EXT_STR-OFFUNIT sy-vline 
WA_CIFCOMPX_EXT_STR-IODUR sy-vline 
WA_CIFCOMPX_EXT_STR-DURUNIT sy-vline 
WA_CIFCOMPX_EXT_STR-IOOFF_N sy-vline 
WA_CIFCOMPX_EXT_STR-IS_MASTER sy-vline 
WA_CIFCOMPX_EXT_STR-LOGCOMP_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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