ABAP Select data from SAP table PLMLV_VTMMAS02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PLMLV_VTMMAS02 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 PLMLV_VTMMAS02. 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 PLMLV_VTMMAS02 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_PLMLV_VTMMAS02 TYPE STANDARD TABLE OF PLMLV_VTMMAS02,
      WA_PLMLV_VTMMAS02 TYPE PLMLV_VTMMAS02,
      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: <PLMLV_VTMMAS02> TYPE PLMLV_VTMMAS02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PLMLV_VTMMAS02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PLMLV_VTMMAS02
  INTO TABLE IT_PLMLV_VTMMAS02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMLV_VTMMAS02
*  INTO TABLE @DATA(IT_PLMLV_VTMMAS022).
*--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_PLMLV_VTMMAS02 INDEX 1 INTO DATA(WA_PLMLV_VTMMAS022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PLMLV_VTMMAS02 ASSIGNING <PLMLV_VTMMAS02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMLV_VTMMAS02>-EDIDC = 1.
<PLMLV_VTMMAS02>-MANDT = 1.
<PLMLV_VTMMAS02>-DOCNUM = 1.
<PLMLV_VTMMAS02>-DOCREL = 1.
<PLMLV_VTMMAS02>-STATUS = 1.

ENDLOOP.

LOOP AT IT_PLMLV_VTMMAS02 INTO WA_PLMLV_VTMMAS02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMLV_VTMMAS02-DOCTYP, sy-vline,
  WA_PLMLV_VTMMAS02-DIRECT, sy-vline,
  WA_PLMLV_VTMMAS02-RCVPOR, sy-vline,
  WA_PLMLV_VTMMAS02-RCVPRT, sy-vline,
  WA_PLMLV_VTMMAS02-RCVPRN, sy-vline,
  WA_PLMLV_VTMMAS02-RCVSAD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMLV_VTMMAS02 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_PLMLV_VTMMAS02 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_PLMLV_VTMMAS02 INTO WA_PLMLV_VTMMAS02.


*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 RCVPRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_VTMMAS02-RCVPRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_VTMMAS02-RCVPRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNDPRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_VTMMAS02-SNDPRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_VTMMAS02-SNDPRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field RCVPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_VTMMAS02-RCVPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_VTMMAS02-RCVPFC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field SNDPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_VTMMAS02-SNDPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_VTMMAS02-SNDPFC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_VTMMAS02-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_VTMMAS02-AENNR.
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_PLMLV_VTMMAS02_STR, 
EDIDC TYPE STRING,
MANDT TYPE STRING,
DOCNUM TYPE STRING,
DOCREL TYPE STRING,
STATUS TYPE STRING,
DOCTYP TYPE STRING,
DIRECT TYPE STRING,
RCVPOR TYPE STRING,
RCVPRT TYPE STRING,
RCVPRN TYPE STRING,
RCVSAD TYPE STRING,
RCVSMN TYPE STRING,
RCVSNA TYPE STRING,
RCVSCA TYPE STRING,
RCVSDF TYPE STRING,
RCVSLF TYPE STRING,
RCVLAD TYPE STRING,
STD TYPE STRING,
STDVRS TYPE STRING,
STDMES TYPE STRING,
MESCOD TYPE STRING,
MESFCT TYPE STRING,
OUTMOD TYPE STRING,
TEST TYPE STRING,
SNDPOR TYPE STRING,
SNDPRT TYPE STRING,
SNDPRN TYPE STRING,
SNDSAD TYPE STRING,
SNDSMN TYPE STRING,
SNDSNA TYPE STRING,
SNDSCA TYPE STRING,
SNDSDF TYPE STRING,
SNDSLF TYPE STRING,
SNDLAD TYPE STRING,
REFINT TYPE STRING,
REFGRP TYPE STRING,
REFMES TYPE STRING,
ARCKEY TYPE STRING,
CREDAT TYPE STRING,
CRETIM TYPE STRING,
MESTYP TYPE STRING,
IDOCTP TYPE STRING,
CIMTYP TYPE STRING,
RCVPFC TYPE STRING,
SNDPFC TYPE STRING,
SERIAL TYPE STRING,
EXPRSS TYPE STRING,
UPDDAT TYPE STRING,
UPDTIM TYPE STRING,
MAXSEGNUM TYPE STRING,
E1CUVTM TYPE STRING,
MSGFN TYPE STRING,
VAR_TAB TYPE STRING,
STATUS TYPE STRING,
VTGROUP TYPE STRING,
AUTHSTRUC TYPE STRING,
AUTHENTRY TYPE STRING,
FLDELETE TYPE STRING,
DBTABNAME TYPE STRING,
DBCONACTIVE TYPE STRING,
PRESDEC TYPE STRING,
PROC_MODE TYPE STRING,
E1DATEM TYPE STRING,
MSGFN TYPE STRING,
KEY_DATE TYPE STRING,
AENNR TYPE STRING,
EFFECTIVITY TYPE STRING,
E1CUV1M TYPE STRING,
E1UPSLINK TYPE STRING,
UPSNAM TYPE STRING,
ORGNAM TYPE STRING,
MESTYP TYPE STRING,
OBJID TYPE STRING,
OBJVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PLMLV_VTMMAS02_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_PLMLV_VTMMAS02_STR-EDIDC sy-vline 
WA_PLMLV_VTMMAS02_STR-MANDT sy-vline 
WA_PLMLV_VTMMAS02_STR-DOCNUM sy-vline 
WA_PLMLV_VTMMAS02_STR-DOCREL sy-vline 
WA_PLMLV_VTMMAS02_STR-STATUS sy-vline 
WA_PLMLV_VTMMAS02_STR-DOCTYP sy-vline 
WA_PLMLV_VTMMAS02_STR-DIRECT sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVPOR sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVPRT sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVPRN sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVSAD sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVSMN sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVSNA sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVSCA sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVSDF sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVSLF sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVLAD sy-vline 
WA_PLMLV_VTMMAS02_STR-STD sy-vline 
WA_PLMLV_VTMMAS02_STR-STDVRS sy-vline 
WA_PLMLV_VTMMAS02_STR-STDMES sy-vline 
WA_PLMLV_VTMMAS02_STR-MESCOD sy-vline 
WA_PLMLV_VTMMAS02_STR-MESFCT sy-vline 
WA_PLMLV_VTMMAS02_STR-OUTMOD sy-vline 
WA_PLMLV_VTMMAS02_STR-TEST sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDPOR sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDPRT sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDPRN sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDSAD sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDSMN sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDSNA sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDSCA sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDSDF sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDSLF sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDLAD sy-vline 
WA_PLMLV_VTMMAS02_STR-REFINT sy-vline 
WA_PLMLV_VTMMAS02_STR-REFGRP sy-vline 
WA_PLMLV_VTMMAS02_STR-REFMES sy-vline 
WA_PLMLV_VTMMAS02_STR-ARCKEY sy-vline 
WA_PLMLV_VTMMAS02_STR-CREDAT sy-vline 
WA_PLMLV_VTMMAS02_STR-CRETIM sy-vline 
WA_PLMLV_VTMMAS02_STR-MESTYP sy-vline 
WA_PLMLV_VTMMAS02_STR-IDOCTP sy-vline 
WA_PLMLV_VTMMAS02_STR-CIMTYP sy-vline 
WA_PLMLV_VTMMAS02_STR-RCVPFC sy-vline 
WA_PLMLV_VTMMAS02_STR-SNDPFC sy-vline 
WA_PLMLV_VTMMAS02_STR-SERIAL sy-vline 
WA_PLMLV_VTMMAS02_STR-EXPRSS sy-vline 
WA_PLMLV_VTMMAS02_STR-UPDDAT sy-vline 
WA_PLMLV_VTMMAS02_STR-UPDTIM sy-vline 
WA_PLMLV_VTMMAS02_STR-MAXSEGNUM sy-vline 
WA_PLMLV_VTMMAS02_STR-E1CUVTM sy-vline 
WA_PLMLV_VTMMAS02_STR-MSGFN sy-vline 
WA_PLMLV_VTMMAS02_STR-VAR_TAB sy-vline 
WA_PLMLV_VTMMAS02_STR-STATUS sy-vline 
WA_PLMLV_VTMMAS02_STR-VTGROUP sy-vline 
WA_PLMLV_VTMMAS02_STR-AUTHSTRUC sy-vline 
WA_PLMLV_VTMMAS02_STR-AUTHENTRY sy-vline 
WA_PLMLV_VTMMAS02_STR-FLDELETE sy-vline 
WA_PLMLV_VTMMAS02_STR-DBTABNAME sy-vline 
WA_PLMLV_VTMMAS02_STR-DBCONACTIVE sy-vline 
WA_PLMLV_VTMMAS02_STR-PRESDEC sy-vline 
WA_PLMLV_VTMMAS02_STR-PROC_MODE sy-vline 
WA_PLMLV_VTMMAS02_STR-E1DATEM sy-vline 
WA_PLMLV_VTMMAS02_STR-MSGFN sy-vline 
WA_PLMLV_VTMMAS02_STR-KEY_DATE sy-vline 
WA_PLMLV_VTMMAS02_STR-AENNR sy-vline 
WA_PLMLV_VTMMAS02_STR-EFFECTIVITY sy-vline 
WA_PLMLV_VTMMAS02_STR-E1CUV1M sy-vline 
WA_PLMLV_VTMMAS02_STR-E1UPSLINK sy-vline 
WA_PLMLV_VTMMAS02_STR-UPSNAM sy-vline 
WA_PLMLV_VTMMAS02_STR-ORGNAM sy-vline 
WA_PLMLV_VTMMAS02_STR-MESTYP sy-vline 
WA_PLMLV_VTMMAS02_STR-OBJID sy-vline 
WA_PLMLV_VTMMAS02_STR-OBJVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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