ABAP Select data from SAP table FKK_MAD_BASICS_462 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_MAD_BASICS_462 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 FKK_MAD_BASICS_462. 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 FKK_MAD_BASICS_462 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_FKK_MAD_BASICS_462 TYPE STANDARD TABLE OF FKK_MAD_BASICS_462,
      WA_FKK_MAD_BASICS_462 TYPE FKK_MAD_BASICS_462,
      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: <FKK_MAD_BASICS_462> TYPE FKK_MAD_BASICS_462.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKK_MAD_BASICS_462.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKK_MAD_BASICS_462
  INTO TABLE IT_FKK_MAD_BASICS_462.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_MAD_BASICS_462
*  INTO TABLE @DATA(IT_FKK_MAD_BASICS_4622).
*--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_FKK_MAD_BASICS_462 INDEX 1 INTO DATA(WA_FKK_MAD_BASICS_4622).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKK_MAD_BASICS_462 ASSIGNING <FKK_MAD_BASICS_462>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_MAD_BASICS_462>-RUNKEY = 1.
<FKK_MAD_BASICS_462>-AKTYP = 1.
<FKK_MAD_BASICS_462>-LAUFD = 1.
<FKK_MAD_BASICS_462>-LAUFI = 1.
<FKK_MAD_BASICS_462>-RANGES = 1.

ENDLOOP.

LOOP AT IT_FKK_MAD_BASICS_462 INTO WA_FKK_MAD_BASICS_462.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_MAD_BASICS_462-R_VKONT, sy-vline,
  WA_FKK_MAD_BASICS_462-R_GPART, sy-vline,
  WA_FKK_MAD_BASICS_462-R_BUKRS, sy-vline,
  WA_FKK_MAD_BASICS_462-R_VTREF, sy-vline,
  WA_FKK_MAD_BASICS_462-R_VKTYP, sy-vline,
  WA_FKK_MAD_BASICS_462-DATES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_MAD_BASICS_462 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_FKK_MAD_BASICS_462 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_FKK_MAD_BASICS_462 INTO WA_FKK_MAD_BASICS_462.


*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_FKK_MAD_BASICS_462_STR, 
RUNKEY TYPE STRING,
AKTYP TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
RANGES TYPE STRING,
R_VKONT TYPE STRING,
R_GPART TYPE STRING,
R_BUKRS TYPE STRING,
R_VTREF TYPE STRING,
R_VKTYP TYPE STRING,
DATES TYPE STRING,
AUSDT TYPE STRING,
FAEDN_LOW TYPE STRING,
FAEDN_HIGH TYPE STRING,
POST TYPE STRING,
FIKEY TYPE STRING,
BUDAT TYPE STRING,
TECH TYPE STRING,
USE_LOAD_BALA TYPE STRING,
JOBS_LOAD_BALA TYPE STRING,
PROCESSES TYPE STRING,
OBJECT TYPE STRING,
VARI TYPE STRING,
LIMIT TYPE STRING,
PERIODS TYPE STRING,
PERIODS TYPE STRING,
AUTH TYPE STRING,
BEGRU TYPE STRING,
STATUS TYPE STRING,
XECHT TYPE STRING,
XSIMU TYPE STRING,
XSIMU_CURR_EXEC TYPE STRING,
XSIMU_LAST_EXEC TYPE STRING,
APPLLOG TYPE STRING,
PROBCLASS TYPE STRING,
ALDATE_DEL TYPE STRING,
DEL_BEFORE TYPE STRING,
FREESEL TYPE STRING,
SEL_TABLE TYPE STRING,
T_FIELDS TYPE STRING,
T_WHERE TYPE STRING,
T_EXPR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_MAD_BASICS_462_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_FKK_MAD_BASICS_462_STR-RUNKEY sy-vline 
WA_FKK_MAD_BASICS_462_STR-AKTYP sy-vline 
WA_FKK_MAD_BASICS_462_STR-LAUFD sy-vline 
WA_FKK_MAD_BASICS_462_STR-LAUFI sy-vline 
WA_FKK_MAD_BASICS_462_STR-RANGES sy-vline 
WA_FKK_MAD_BASICS_462_STR-R_VKONT sy-vline 
WA_FKK_MAD_BASICS_462_STR-R_GPART sy-vline 
WA_FKK_MAD_BASICS_462_STR-R_BUKRS sy-vline 
WA_FKK_MAD_BASICS_462_STR-R_VTREF sy-vline 
WA_FKK_MAD_BASICS_462_STR-R_VKTYP sy-vline 
WA_FKK_MAD_BASICS_462_STR-DATES sy-vline 
WA_FKK_MAD_BASICS_462_STR-AUSDT sy-vline 
WA_FKK_MAD_BASICS_462_STR-FAEDN_LOW sy-vline 
WA_FKK_MAD_BASICS_462_STR-FAEDN_HIGH sy-vline 
WA_FKK_MAD_BASICS_462_STR-POST sy-vline 
WA_FKK_MAD_BASICS_462_STR-FIKEY sy-vline 
WA_FKK_MAD_BASICS_462_STR-BUDAT sy-vline 
WA_FKK_MAD_BASICS_462_STR-TECH sy-vline 
WA_FKK_MAD_BASICS_462_STR-USE_LOAD_BALA sy-vline 
WA_FKK_MAD_BASICS_462_STR-JOBS_LOAD_BALA sy-vline 
WA_FKK_MAD_BASICS_462_STR-PROCESSES sy-vline 
WA_FKK_MAD_BASICS_462_STR-OBJECT sy-vline 
WA_FKK_MAD_BASICS_462_STR-VARI sy-vline 
WA_FKK_MAD_BASICS_462_STR-LIMIT sy-vline 
WA_FKK_MAD_BASICS_462_STR-PERIODS sy-vline 
WA_FKK_MAD_BASICS_462_STR-PERIODS sy-vline 
WA_FKK_MAD_BASICS_462_STR-AUTH sy-vline 
WA_FKK_MAD_BASICS_462_STR-BEGRU sy-vline 
WA_FKK_MAD_BASICS_462_STR-STATUS sy-vline 
WA_FKK_MAD_BASICS_462_STR-XECHT sy-vline 
WA_FKK_MAD_BASICS_462_STR-XSIMU sy-vline 
WA_FKK_MAD_BASICS_462_STR-XSIMU_CURR_EXEC sy-vline 
WA_FKK_MAD_BASICS_462_STR-XSIMU_LAST_EXEC sy-vline 
WA_FKK_MAD_BASICS_462_STR-APPLLOG sy-vline 
WA_FKK_MAD_BASICS_462_STR-PROBCLASS sy-vline 
WA_FKK_MAD_BASICS_462_STR-ALDATE_DEL sy-vline 
WA_FKK_MAD_BASICS_462_STR-DEL_BEFORE sy-vline 
WA_FKK_MAD_BASICS_462_STR-FREESEL sy-vline 
WA_FKK_MAD_BASICS_462_STR-SEL_TABLE sy-vline 
WA_FKK_MAD_BASICS_462_STR-T_FIELDS sy-vline 
WA_FKK_MAD_BASICS_462_STR-T_WHERE sy-vline 
WA_FKK_MAD_BASICS_462_STR-T_EXPR sy-vline      INTO ld_text SEPARATED BY SPACE.

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