ABAP Select data from SAP table MCADRLSTB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MCADRLSTB
*  INTO TABLE @DATA(IT_MCADRLSTB2).
*--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_MCADRLSTB INDEX 1 INTO DATA(WA_MCADRLSTB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MCADRLSTB>-SUPKZ = 1.
<MCADRLSTB>-VBELN = 1.
<MCADRLSTB>-VERSION = 1.
<MCADRLSTB>-ERDAT = 1.
<MCADRLSTB>-KTOKD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MCADRLSTB-DEAR1, sy-vline,
  WA_MCADRLSTB-DEAR2, sy-vline,
  WA_MCADRLSTB-DEAR3, sy-vline,
  WA_MCADRLSTB-DEAR4, sy-vline,
  WA_MCADRLSTB-BRSCH, sy-vline,
  WA_MCADRLSTB-BRAN1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MCADRLSTB 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_MCADRLSTB 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_MCADRLSTB INTO WA_MCADRLSTB.


*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.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MCADRLSTB-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCADRLSTB-VBELN.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_MCADRLSTB_STR, 
SUPKZ TYPE STRING,
VBELN TYPE STRING,
VERSION TYPE STRING,
ERDAT TYPE STRING,
KTOKD TYPE STRING,
DEAR1 TYPE STRING,
DEAR2 TYPE STRING,
DEAR3 TYPE STRING,
DEAR4 TYPE STRING,
BRSCH TYPE STRING,
BRAN1 TYPE STRING,
BRAN2 TYPE STRING,
BRAN3 TYPE STRING,
BRAN4 TYPE STRING,
BRAN5 TYPE STRING,
NIELS TYPE STRING,
KUKLA TYPE STRING,
GFORM TYPE STRING,
KATR1 TYPE STRING,
KATR2 TYPE STRING,
KATR3 TYPE STRING,
KATR4 TYPE STRING,
KATR5 TYPE STRING,
KATR6 TYPE STRING,
KATR7 TYPE STRING,
KATR8 TYPE STRING,
KATR9 TYPE STRING,
KATR10 TYPE STRING,
PAVIP TYPE STRING,
FAMST TYPE STRING,
PARGE_LIS TYPE STRING,
ABTNR TYPE STRING,
PAFKT TYPE STRING,
PARVO TYPE STRING,
AKVER TYPE STRING,
PARH1 TYPE STRING,
PARH2 TYPE STRING,
PARH3 TYPE STRING,
PARH4 TYPE STRING,
PARH5 TYPE STRING,
PAKN1 TYPE STRING,
PAKN2 TYPE STRING,
PAKN3 TYPE STRING,
PAKN4 TYPE STRING,
PAKN5 TYPE STRING,
PSTLZ_LIS TYPE STRING,
PSTL2_LIS TYPE STRING,
PSTL_LIS TYPE STRING,
LAND1_LIS TYPE STRING,
REGIO_LIS TYPE STRING,
CNT_ADR_TO TYPE STRING,
VKORG TYPE STRING,
BUKRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MCADRLSTB_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_MCADRLSTB_STR-SUPKZ sy-vline 
WA_MCADRLSTB_STR-VBELN sy-vline 
WA_MCADRLSTB_STR-VERSION sy-vline 
WA_MCADRLSTB_STR-ERDAT sy-vline 
WA_MCADRLSTB_STR-KTOKD sy-vline 
WA_MCADRLSTB_STR-DEAR1 sy-vline 
WA_MCADRLSTB_STR-DEAR2 sy-vline 
WA_MCADRLSTB_STR-DEAR3 sy-vline 
WA_MCADRLSTB_STR-DEAR4 sy-vline 
WA_MCADRLSTB_STR-BRSCH sy-vline 
WA_MCADRLSTB_STR-BRAN1 sy-vline 
WA_MCADRLSTB_STR-BRAN2 sy-vline 
WA_MCADRLSTB_STR-BRAN3 sy-vline 
WA_MCADRLSTB_STR-BRAN4 sy-vline 
WA_MCADRLSTB_STR-BRAN5 sy-vline 
WA_MCADRLSTB_STR-NIELS sy-vline 
WA_MCADRLSTB_STR-KUKLA sy-vline 
WA_MCADRLSTB_STR-GFORM sy-vline 
WA_MCADRLSTB_STR-KATR1 sy-vline 
WA_MCADRLSTB_STR-KATR2 sy-vline 
WA_MCADRLSTB_STR-KATR3 sy-vline 
WA_MCADRLSTB_STR-KATR4 sy-vline 
WA_MCADRLSTB_STR-KATR5 sy-vline 
WA_MCADRLSTB_STR-KATR6 sy-vline 
WA_MCADRLSTB_STR-KATR7 sy-vline 
WA_MCADRLSTB_STR-KATR8 sy-vline 
WA_MCADRLSTB_STR-KATR9 sy-vline 
WA_MCADRLSTB_STR-KATR10 sy-vline 
WA_MCADRLSTB_STR-PAVIP sy-vline 
WA_MCADRLSTB_STR-FAMST sy-vline 
WA_MCADRLSTB_STR-PARGE_LIS sy-vline 
WA_MCADRLSTB_STR-ABTNR sy-vline 
WA_MCADRLSTB_STR-PAFKT sy-vline 
WA_MCADRLSTB_STR-PARVO sy-vline 
WA_MCADRLSTB_STR-AKVER sy-vline 
WA_MCADRLSTB_STR-PARH1 sy-vline 
WA_MCADRLSTB_STR-PARH2 sy-vline 
WA_MCADRLSTB_STR-PARH3 sy-vline 
WA_MCADRLSTB_STR-PARH4 sy-vline 
WA_MCADRLSTB_STR-PARH5 sy-vline 
WA_MCADRLSTB_STR-PAKN1 sy-vline 
WA_MCADRLSTB_STR-PAKN2 sy-vline 
WA_MCADRLSTB_STR-PAKN3 sy-vline 
WA_MCADRLSTB_STR-PAKN4 sy-vline 
WA_MCADRLSTB_STR-PAKN5 sy-vline 
WA_MCADRLSTB_STR-PSTLZ_LIS sy-vline 
WA_MCADRLSTB_STR-PSTL2_LIS sy-vline 
WA_MCADRLSTB_STR-PSTL_LIS sy-vline 
WA_MCADRLSTB_STR-LAND1_LIS sy-vline 
WA_MCADRLSTB_STR-REGIO_LIS sy-vline 
WA_MCADRLSTB_STR-CNT_ADR_TO sy-vline 
WA_MCADRLSTB_STR-VKORG sy-vline 
WA_MCADRLSTB_STR-BUKRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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