ABAP Select data from SAP table CKI_XAB_ML into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CKI_XAB_ML
*  INTO TABLE @DATA(IT_CKI_XAB_ML2).
*--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_CKI_XAB_ML INDEX 1 INTO DATA(WA_CKI_XAB_ML2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CKI_XAB_ML>-ZUABW_1A = 1.
<CKI_XAB_ML>-ZUUMB_1A = 1.
<CKI_XAB_ML>-VNPRD_1A = 1.
<CKI_XAB_ML>-VPPRD_1A = 1.
<CKI_XAB_ML>-EKPRD_1A = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CKI_XAB_ML-PBPRD_1A, sy-vline,
  WA_CKI_XAB_ML-ZUKDM_1A, sy-vline,
  WA_CKI_XAB_ML-VNKDM_1A, sy-vline,
  WA_CKI_XAB_ML-VPKDM_1A, sy-vline,
  WA_CKI_XAB_ML-EKKDM_1A, sy-vline,
  WA_CKI_XAB_ML-PBKDM_1A, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CKI_XAB_ML 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_CKI_XAB_ML 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_CKI_XAB_ML INTO WA_CKI_XAB_ML.


*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_CKI_XAB_ML_STR, 
ZUABW_1A TYPE STRING,
ZUUMB_1A TYPE STRING,
VNPRD_1A TYPE STRING,
VPPRD_1A TYPE STRING,
EKPRD_1A TYPE STRING,
PBPRD_1A TYPE STRING,
ZUKDM_1A TYPE STRING,
VNKDM_1A TYPE STRING,
VPKDM_1A TYPE STRING,
EKKDM_1A TYPE STRING,
PBKDM_1A TYPE STRING,
ZUABW_2A TYPE STRING,
ZUUMB_2A TYPE STRING,
VNPRD_2A TYPE STRING,
VPPRD_2A TYPE STRING,
EKPRD_2A TYPE STRING,
PBPRD_2A TYPE STRING,
ZUKDM_2A TYPE STRING,
VNKDM_2A TYPE STRING,
VPKDM_2A TYPE STRING,
EKKDM_2A TYPE STRING,
PBKDM_2A TYPE STRING,
ZUABW_3A TYPE STRING,
ZUUMB_3A TYPE STRING,
VNPRD_3A TYPE STRING,
VPPRD_3A TYPE STRING,
EKPRD_3A TYPE STRING,
PBPRD_3A TYPE STRING,
ZUKDM_3A TYPE STRING,
VNKDM_3A TYPE STRING,
VPKDM_3A TYPE STRING,
EKKDM_3A TYPE STRING,
PBKDM_3A TYPE STRING,
ZUKUMA TYPE STRING,
UMKUMA TYPE STRING,
VNKUMA TYPE STRING,
VPKUMA TYPE STRING,
SZKUMA TYPE STRING,
EKKUMA TYPE STRING,
PBKUMA TYPE STRING,
PBPOPA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CKI_XAB_ML_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_CKI_XAB_ML_STR-ZUABW_1A sy-vline 
WA_CKI_XAB_ML_STR-ZUUMB_1A sy-vline 
WA_CKI_XAB_ML_STR-VNPRD_1A sy-vline 
WA_CKI_XAB_ML_STR-VPPRD_1A sy-vline 
WA_CKI_XAB_ML_STR-EKPRD_1A sy-vline 
WA_CKI_XAB_ML_STR-PBPRD_1A sy-vline 
WA_CKI_XAB_ML_STR-ZUKDM_1A sy-vline 
WA_CKI_XAB_ML_STR-VNKDM_1A sy-vline 
WA_CKI_XAB_ML_STR-VPKDM_1A sy-vline 
WA_CKI_XAB_ML_STR-EKKDM_1A sy-vline 
WA_CKI_XAB_ML_STR-PBKDM_1A sy-vline 
WA_CKI_XAB_ML_STR-ZUABW_2A sy-vline 
WA_CKI_XAB_ML_STR-ZUUMB_2A sy-vline 
WA_CKI_XAB_ML_STR-VNPRD_2A sy-vline 
WA_CKI_XAB_ML_STR-VPPRD_2A sy-vline 
WA_CKI_XAB_ML_STR-EKPRD_2A sy-vline 
WA_CKI_XAB_ML_STR-PBPRD_2A sy-vline 
WA_CKI_XAB_ML_STR-ZUKDM_2A sy-vline 
WA_CKI_XAB_ML_STR-VNKDM_2A sy-vline 
WA_CKI_XAB_ML_STR-VPKDM_2A sy-vline 
WA_CKI_XAB_ML_STR-EKKDM_2A sy-vline 
WA_CKI_XAB_ML_STR-PBKDM_2A sy-vline 
WA_CKI_XAB_ML_STR-ZUABW_3A sy-vline 
WA_CKI_XAB_ML_STR-ZUUMB_3A sy-vline 
WA_CKI_XAB_ML_STR-VNPRD_3A sy-vline 
WA_CKI_XAB_ML_STR-VPPRD_3A sy-vline 
WA_CKI_XAB_ML_STR-EKPRD_3A sy-vline 
WA_CKI_XAB_ML_STR-PBPRD_3A sy-vline 
WA_CKI_XAB_ML_STR-ZUKDM_3A sy-vline 
WA_CKI_XAB_ML_STR-VNKDM_3A sy-vline 
WA_CKI_XAB_ML_STR-VPKDM_3A sy-vline 
WA_CKI_XAB_ML_STR-EKKDM_3A sy-vline 
WA_CKI_XAB_ML_STR-PBKDM_3A sy-vline 
WA_CKI_XAB_ML_STR-ZUKUMA sy-vline 
WA_CKI_XAB_ML_STR-UMKUMA sy-vline 
WA_CKI_XAB_ML_STR-VNKUMA sy-vline 
WA_CKI_XAB_ML_STR-VPKUMA sy-vline 
WA_CKI_XAB_ML_STR-SZKUMA sy-vline 
WA_CKI_XAB_ML_STR-EKKUMA sy-vline 
WA_CKI_XAB_ML_STR-PBKUMA sy-vline 
WA_CKI_XAB_ML_STR-PBPOPA sy-vline      INTO ld_text SEPARATED BY SPACE.

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