ABAP Select data from SAP table TMDCHGPROCFAR_W into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TMDCHGPROCFAR_W
*  INTO TABLE @DATA(IT_TMDCHGPROCFAR_W2).
*--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_TMDCHGPROCFAR_W INDEX 1 INTO DATA(WA_TMDCHGPROCFAR_W2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TMDCHGPROCFAR_W>-MANDT = 1.
<TMDCHGPROCFAR_W>-MDCHGPROCFILTERUUID = 1.
<TMDCHGPROCFAR_W>-MDCHGPROCCONFIGNUUID = 1.
<TMDCHGPROCFAR_W>-MDCHGPROCFILTERCONFIGN = 1.
<TMDCHGPROCFAR_W>-MDCHGPROCFILTERSTEPTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TMDCHGPROCFAR_W-MDCHGPROCFILTERISMTCHGOPENGRP, sy-vline,
  WA_TMDCHGPROCFAR_W-MDCHGPROCFILTERISCALCSPLTSGL, sy-vline,
  WA_TMDCHGPROCFAR_W-MDCHGPROCFILTERISCALCSPLTGRP, sy-vline,
  WA_TMDCHGPROCFAR_W-MDCHGPROCFILTERISCALCSPLTUPDT, sy-vline,
  WA_TMDCHGPROCFAR_W-MDCHGPROCFILTERISSPLTSGL, sy-vline,
  WA_TMDCHGPROCFAR_W-MDCHGPROCFILTERISSPLTGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TMDCHGPROCFAR_W 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_TMDCHGPROCFAR_W 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_TMDCHGPROCFAR_W INTO WA_TMDCHGPROCFAR_W.


*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_TMDCHGPROCFAR_W_STR, 
MANDT TYPE STRING,
MDCHGPROCFILTERUUID TYPE STRING,
MDCHGPROCCONFIGNUUID TYPE STRING,
MDCHGPROCFILTERCONFIGN TYPE STRING,
MDCHGPROCFILTERSTEPTYPE TYPE STRING,
MDCHGPROCFILTERISMTCHGOPENGRP TYPE STRING,
MDCHGPROCFILTERISCALCSPLTSGL TYPE STRING,
MDCHGPROCFILTERISCALCSPLTGRP TYPE STRING,
MDCHGPROCFILTERISCALCSPLTUPDT TYPE STRING,
MDCHGPROCFILTERISSPLTSGL TYPE STRING,
MDCHGPROCFILTERISSPLTGRP TYPE STRING,
MDCHGPROCFILTERISSPLTUPDT TYPE STRING,
MDCHGPROCFILTERVALDTNACTNSGL TYPE STRING,
MDCHGPROCFILTERVALDTNACTNGRP TYPE STRING,
MDCHGPROCFILTERVALDTNACTNUPDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TMDCHGPROCFAR_W_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_TMDCHGPROCFAR_W_STR-MANDT sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERUUID sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCCONFIGNUUID sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERCONFIGN sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERSTEPTYPE sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISMTCHGOPENGRP sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISCALCSPLTSGL sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISCALCSPLTGRP sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISCALCSPLTUPDT sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISSPLTSGL sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISSPLTGRP sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERISSPLTUPDT sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERVALDTNACTNSGL sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERVALDTNACTNGRP sy-vline 
WA_TMDCHGPROCFAR_W_STR-MDCHGPROCFILTERVALDTNACTNUPDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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