ABAP Select data from SAP table V_TCMAC06D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TCMAC06D 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 V_TCMAC06D. 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 V_TCMAC06D 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_V_TCMAC06D TYPE STANDARD TABLE OF V_TCMAC06D,
      WA_V_TCMAC06D TYPE V_TCMAC06D,
      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: <V_TCMAC06D> TYPE V_TCMAC06D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_TCMAC06D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_TCMAC06D
  INTO TABLE IT_V_TCMAC06D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TCMAC06D
*  INTO TABLE @DATA(IT_V_TCMAC06D2).
*--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_V_TCMAC06D INDEX 1 INTO DATA(WA_V_TCMAC06D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_TCMAC06D ASSIGNING <V_TCMAC06D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TCMAC06D>-MANDT = 1.
<V_TCMAC06D>-SCENARIO = 1.
<V_TCMAC06D>-AUSWIRKX = 1.
<V_TCMAC06D>-BLART = 1.
<V_TCMAC06D>-BETRW = 1.

ENDLOOP.

LOOP AT IT_V_TCMAC06D INTO WA_V_TCMAC06D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TCMAC06D-WAERS, sy-vline,
  WA_V_TCMAC06D-PYMET_BANK, sy-vline,
  WA_V_TCMAC06D-PYMET_CARD, sy-vline,
  WA_V_TCMAC06D-FAEDNOFF, sy-vline,
  WA_V_TCMAC06D-FAEDSOFF, sy-vline,
  WA_V_TCMAC06D-SKTPZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TCMAC06D 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_V_TCMAC06D 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_V_TCMAC06D INTO WA_V_TCMAC06D.


*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 HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TCMAC06D-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCMAC06D-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TCMAC06D-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCMAC06D-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_V_TCMAC06D-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCMAC06D-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TCMAC06D-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCMAC06D-AUFNR.
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_V_TCMAC06D_STR, 
MANDT TYPE STRING,
SCENARIO TYPE STRING,
AUSWIRKX TYPE STRING,
BLART TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
PYMET_BANK TYPE STRING,
PYMET_CARD TYPE STRING,
FAEDNOFF TYPE STRING,
FAEDSOFF TYPE STRING,
SKTPZ TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
PSOBTYP TYPE STRING,
STAKZ TYPE STRING,
OPTXT TYPE STRING,
HKONT TYPE STRING,
KOSTL TYPE STRING,
PS_PSP_PNR TYPE STRING,
AUFNR TYPE STRING,
FISTL TYPE STRING,
FONDS TYPE STRING,
BUDGET_PD TYPE STRING,
FKBER TYPE STRING,
FNAUT TYPE STRING,
RFCAUT TYPE STRING,
MERCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TCMAC06D_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_V_TCMAC06D_STR-MANDT sy-vline 
WA_V_TCMAC06D_STR-SCENARIO sy-vline 
WA_V_TCMAC06D_STR-AUSWIRKX sy-vline 
WA_V_TCMAC06D_STR-BLART sy-vline 
WA_V_TCMAC06D_STR-BETRW sy-vline 
WA_V_TCMAC06D_STR-WAERS sy-vline 
WA_V_TCMAC06D_STR-PYMET_BANK sy-vline 
WA_V_TCMAC06D_STR-PYMET_CARD sy-vline 
WA_V_TCMAC06D_STR-FAEDNOFF sy-vline 
WA_V_TCMAC06D_STR-FAEDSOFF sy-vline 
WA_V_TCMAC06D_STR-SKTPZ sy-vline 
WA_V_TCMAC06D_STR-HVORG sy-vline 
WA_V_TCMAC06D_STR-TVORG sy-vline 
WA_V_TCMAC06D_STR-PSOBTYP sy-vline 
WA_V_TCMAC06D_STR-STAKZ sy-vline 
WA_V_TCMAC06D_STR-OPTXT sy-vline 
WA_V_TCMAC06D_STR-HKONT sy-vline 
WA_V_TCMAC06D_STR-KOSTL sy-vline 
WA_V_TCMAC06D_STR-PS_PSP_PNR sy-vline 
WA_V_TCMAC06D_STR-AUFNR sy-vline 
WA_V_TCMAC06D_STR-FISTL sy-vline 
WA_V_TCMAC06D_STR-FONDS sy-vline 
WA_V_TCMAC06D_STR-BUDGET_PD sy-vline 
WA_V_TCMAC06D_STR-FKBER sy-vline 
WA_V_TCMAC06D_STR-FNAUT sy-vline 
WA_V_TCMAC06D_STR-RFCAUT sy-vline 
WA_V_TCMAC06D_STR-MERCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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