ABAP Select data from SAP table FCOC_X4_V_TKA01_GDCAREAMAINT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCOC_X4_V_TKA01_GDCAREAMAINT 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 FCOC_X4_V_TKA01_GDCAREAMAINT. 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 FCOC_X4_V_TKA01_GDCAREAMAINT 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_FCOC_X4_V_TKA01_GDCAREAMAINT TYPE STANDARD TABLE OF FCOC_X4_V_TKA01_GDCAREAMAINT,
      WA_FCOC_X4_V_TKA01_GDCAREAMAINT TYPE FCOC_X4_V_TKA01_GDCAREAMAINT,
      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: <FCOC_X4_V_TKA01_GDCAREAMAINT> TYPE FCOC_X4_V_TKA01_GDCAREAMAINT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FCOC_X4_V_TKA01_GDCAREAMAINT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FCOC_X4_V_TKA01_GDCAREAMAINT
  INTO TABLE IT_FCOC_X4_V_TKA01_GDCAREAMAINT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOC_X4_V_TKA01_GDCAREAMAINT
*  INTO TABLE @DATA(IT_FCOC_X4_V_TKA01_GDCAREAMAINT2).
*--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_FCOC_X4_V_TKA01_GDCAREAMAINT INDEX 1 INTO DATA(WA_FCOC_X4_V_TKA01_GDCAREAMAINT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FCOC_X4_V_TKA01_GDCAREAMAINT ASSIGNING <FCOC_X4_V_TKA01_GDCAREAMAINT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOC_X4_V_TKA01_GDCAREAMAINT>-KOKRS = 1.
<FCOC_X4_V_TKA01_GDCAREAMAINT>-BEZEI = 1.
<FCOC_X4_V_TKA01_GDCAREAMAINT>-WAERS = 1.
<FCOC_X4_V_TKA01_GDCAREAMAINT>-KTOPL = 1.
<FCOC_X4_V_TKA01_GDCAREAMAINT>-LMONA = 1.

ENDLOOP.

LOOP AT IT_FCOC_X4_V_TKA01_GDCAREAMAINT INTO WA_FCOC_X4_V_TKA01_GDCAREAMAINT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOC_X4_V_TKA01_GDCAREAMAINT-KOKFI, sy-vline,
  WA_FCOC_X4_V_TKA01_GDCAREAMAINT-KHINR, sy-vline,
  WA_FCOC_X4_V_TKA01_GDCAREAMAINT-XWBUK, sy-vline,
  WA_FCOC_X4_V_TKA01_GDCAREAMAINT-BLART, sy-vline,
  WA_FCOC_X4_V_TKA01_GDCAREAMAINT-RCLAC, sy-vline,
  WA_FCOC_X4_V_TKA01_GDCAREAMAINT-CTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOC_X4_V_TKA01_GDCAREAMAINT 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_FCOC_X4_V_TKA01_GDCAREAMAINT 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_FCOC_X4_V_TKA01_GDCAREAMAINT INTO WA_FCOC_X4_V_TKA01_GDCAREAMAINT.


*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_FCOC_X4_V_TKA01_GDCAREAMAINT_STR, 
KOKRS TYPE STRING,
BEZEI TYPE STRING,
WAERS TYPE STRING,
KTOPL TYPE STRING,
LMONA TYPE STRING,
KOKFI TYPE STRING,
KHINR TYPE STRING,
XWBUK TYPE STRING,
BLART TYPE STRING,
RCLAC TYPE STRING,
CTYP TYPE STRING,
CVPROF TYPE STRING,
CVACT TYPE STRING,
VNAME TYPE STRING,
F_OBSOLETE TYPE STRING,
OBJCUR_USE TYPE STRING,
OBJCUR_KURST TYPE STRING,
OBJCUR_CURDT TYPE STRING,
OBJCUR_SRCCT TYPE STRING,
OBJCUR_SRCAL TYPE STRING,
LEADING_FSV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOC_X4_V_TKA01_GDCAREAMAINT_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_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-KOKRS sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-BEZEI sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-WAERS sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-KTOPL sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-LMONA sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-KOKFI sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-KHINR sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-XWBUK sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-BLART sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-RCLAC sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-CTYP sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-CVPROF sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-CVACT sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-VNAME sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-F_OBSOLETE sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-OBJCUR_USE sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-OBJCUR_KURST sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-OBJCUR_CURDT sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-OBJCUR_SRCCT sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-OBJCUR_SRCAL sy-vline 
WA_FCOC_X4_V_TKA01_GDCAREAMAINT_STR-LEADING_FSV sy-vline      INTO ld_text SEPARATED BY SPACE.

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