ABAP Select data from SAP table V_TMW_TDSUBLA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TMW_TDSUBLA 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_TMW_TDSUBLA. 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_TMW_TDSUBLA 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_TMW_TDSUBLA TYPE STANDARD TABLE OF V_TMW_TDSUBLA,
      WA_V_TMW_TDSUBLA TYPE V_TMW_TDSUBLA,
      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_TMW_TDSUBLA> TYPE V_TMW_TDSUBLA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TMW_TDSUBLA
*  INTO TABLE @DATA(IT_V_TMW_TDSUBLA2).
*--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_TMW_TDSUBLA INDEX 1 INTO DATA(WA_V_TMW_TDSUBLA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TMW_TDSUBLA>-MANDT = 1.
<V_TMW_TDSUBLA>-TDLANGU = 1.
<V_TMW_TDSUBLA>-TDSUBLA = 1.
<V_TMW_TDSUBLA>-TDTYPE = 1.
<V_TMW_TDSUBLA>-ENTNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TMW_TDSUBLA-TDTYPETXT, sy-vline,
  WA_V_TMW_TDSUBLA-PSIGN, sy-vline,
  WA_V_TMW_TDSUBLA-CATEGORY, sy-vline,
  WA_V_TMW_TDSUBLA-TYPE, sy-vline,
  WA_V_TMW_TDSUBLA-MOABW, sy-vline,
  WA_V_TMW_TDSUBLA-AWART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TMW_TDSUBLA 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_TMW_TDSUBLA 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_TMW_TDSUBLA INTO WA_V_TMW_TDSUBLA.


*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 TDTYP, internal->external for field TDTYPE
CALL FUNCTION 'CONVERSION_EXIT_TDTYP_OUTPUT'
  EXPORTING
    input =                      WA_V_TMW_TDSUBLA-TDTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TMW_TDSUBLA-TDTYPE.
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_TMW_TDSUBLA_STR, 
MANDT TYPE STRING,
TDLANGU TYPE STRING,
TDSUBLA TYPE STRING,
TDTYPE TYPE STRING,
ENTNR TYPE STRING,
TDTYPETXT TYPE STRING,
PSIGN TYPE STRING,
CATEGORY TYPE STRING,
TYPE TYPE STRING,
MOABW TYPE STRING,
AWART TYPE STRING,
MOVER TYPE STRING,
VTART TYPE STRING,
CTSUB TYPE STRING,
STNBY TYPE STRING,
MOTPR TYPE STRING,
TPROG TYPE STRING,
VARIA TYPE STRING,
BEGUZ TYPE STRING,
ENDUZ TYPE STRING,
ZEITY TYPE STRING,
MOFID TYPE STRING,
MOSID TYPE STRING,
SCHKZ TYPE STRING,
MOZKO TYPE STRING,
MOPGK TYPE STRING,
KTART TYPE STRING,
MOLGA TYPE STRING,
LGART TYPE STRING,
SATZA TYPE STRING,
COGOS TYPE STRING,
MOBDE TYPE STRING,
ZTART TYPE STRING,
VERSL TYPE STRING,
TDLANAM TYPE STRING,
TDSUBLANAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TMW_TDSUBLA_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_TMW_TDSUBLA_STR-MANDT sy-vline 
WA_V_TMW_TDSUBLA_STR-TDLANGU sy-vline 
WA_V_TMW_TDSUBLA_STR-TDSUBLA sy-vline 
WA_V_TMW_TDSUBLA_STR-TDTYPE sy-vline 
WA_V_TMW_TDSUBLA_STR-ENTNR sy-vline 
WA_V_TMW_TDSUBLA_STR-TDTYPETXT sy-vline 
WA_V_TMW_TDSUBLA_STR-PSIGN sy-vline 
WA_V_TMW_TDSUBLA_STR-CATEGORY sy-vline 
WA_V_TMW_TDSUBLA_STR-TYPE sy-vline 
WA_V_TMW_TDSUBLA_STR-MOABW sy-vline 
WA_V_TMW_TDSUBLA_STR-AWART sy-vline 
WA_V_TMW_TDSUBLA_STR-MOVER sy-vline 
WA_V_TMW_TDSUBLA_STR-VTART sy-vline 
WA_V_TMW_TDSUBLA_STR-CTSUB sy-vline 
WA_V_TMW_TDSUBLA_STR-STNBY sy-vline 
WA_V_TMW_TDSUBLA_STR-MOTPR sy-vline 
WA_V_TMW_TDSUBLA_STR-TPROG sy-vline 
WA_V_TMW_TDSUBLA_STR-VARIA sy-vline 
WA_V_TMW_TDSUBLA_STR-BEGUZ sy-vline 
WA_V_TMW_TDSUBLA_STR-ENDUZ sy-vline 
WA_V_TMW_TDSUBLA_STR-ZEITY sy-vline 
WA_V_TMW_TDSUBLA_STR-MOFID sy-vline 
WA_V_TMW_TDSUBLA_STR-MOSID sy-vline 
WA_V_TMW_TDSUBLA_STR-SCHKZ sy-vline 
WA_V_TMW_TDSUBLA_STR-MOZKO sy-vline 
WA_V_TMW_TDSUBLA_STR-MOPGK sy-vline 
WA_V_TMW_TDSUBLA_STR-KTART sy-vline 
WA_V_TMW_TDSUBLA_STR-MOLGA sy-vline 
WA_V_TMW_TDSUBLA_STR-LGART sy-vline 
WA_V_TMW_TDSUBLA_STR-SATZA sy-vline 
WA_V_TMW_TDSUBLA_STR-COGOS sy-vline 
WA_V_TMW_TDSUBLA_STR-MOBDE sy-vline 
WA_V_TMW_TDSUBLA_STR-ZTART sy-vline 
WA_V_TMW_TDSUBLA_STR-VERSL sy-vline 
WA_V_TMW_TDSUBLA_STR-TDLANAM sy-vline 
WA_V_TMW_TDSUBLA_STR-TDSUBLANAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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