ABAP Select data from SAP table PLMW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMW
*  INTO TABLE @DATA(IT_PLMW2).
*--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_PLMW INDEX 1 INTO DATA(WA_PLMW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMW>-MANDT = 1.
<PLMW>-PLNTY = 1.
<PLMW>-PLNNR = 1.
<PLMW>-PLNKN = 1.
<PLMW>-KZEINSTELL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMW-MERKNR, sy-vline,
  WA_PLMW-ZUORDNR, sy-vline,
  WA_PLMW-ZAEHL, sy-vline,
  WA_PLMW-GUELTIGAB, sy-vline,
  WA_PLMW-SERNV, sy-vline,
  WA_PLMW-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMW 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_PLMW 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_PLMW INTO WA_PLMW.


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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MASSEINHSW
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-MASSEINHSW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-MASSEINHSW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CODEVR9U
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-CODEVR9U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-CODEVR9U.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CODEVR9O
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-CODEVR9O
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-CODEVR9O.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUSWVERS1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-AUSWVERS1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-AUSWVERS1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUSWVERS2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-AUSWVERS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-AUSWVERS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUSWVERS3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-AUSWVERS3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-AUSWVERS3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUSWVERS4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-AUSWVERS4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-AUSWVERS4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUSWVERS5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-AUSWVERS5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-AUSWVERS5.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field VERSN_SOURCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMW-VERSN_SOURCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMW-VERSN_SOURCE.
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_PLMW_STR, 
MANDT TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNKN TYPE STRING,
KZEINSTELL TYPE STRING,
MERKNR TYPE STRING,
ZUORDNR TYPE STRING,
ZAEHL TYPE STRING,
GUELTIGAB TYPE STRING,
SERNV TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
PLNAL TYPE STRING,
DATUV TYPE STRING,
ZKRIZ TYPE STRING,
LOEKZ TYPE STRING,
PARKZ TYPE STRING,
AENDERGNR TYPE STRING,
ERSTELLER TYPE STRING,
ERSTELLDAT TYPE STRING,
AENDERER TYPE STRING,
AENDERDAT TYPE STRING,
TOLERANZSL TYPE STRING,
STELLEN TYPE STRING,
MASSEINHSW TYPE STRING,
SOLLWERT TYPE STRING,
SOLLWNI TYPE STRING,
TOLERANZOB TYPE STRING,
TOLOBNI TYPE STRING,
TOLERANZUN TYPE STRING,
TOLUNNI TYPE STRING,
KLASANZAHL TYPE STRING,
KLASBREITE TYPE STRING,
KLASBRNI TYPE STRING,
KLASMITTE TYPE STRING,
KLASMINI TYPE STRING,
GRENZEOB1 TYPE STRING,
GRENZOB1NI TYPE STRING,
GRENZEUN1 TYPE STRING,
GRENZUN1NI TYPE STRING,
GRENZEOB2 TYPE STRING,
GRENZOB2NI TYPE STRING,
GRENZEUN2 TYPE STRING,
GRENZUN2NI TYPE STRING,
PLAUSIOBEN TYPE STRING,
PLAUSIOBNI TYPE STRING,
PLAUSIUNTE TYPE STRING,
PLAUSIUNNI TYPE STRING,
TOLERWEIOB TYPE STRING,
TOLWOBNI TYPE STRING,
TOLERWEIUN TYPE STRING,
TOLWUNNI TYPE STRING,
TOLERWAB TYPE STRING,
TOLERWBIS TYPE STRING,
CODEGR9U TYPE STRING,
CODE9U TYPE STRING,
CODEVR9U TYPE STRING,
CODEGR9O TYPE STRING,
CODE9O TYPE STRING,
CODEVR9O TYPE STRING,
KATAB1 TYPE STRING,
KATALGART1 TYPE STRING,
AUSWMENGE1 TYPE STRING,
AUSWMGWRK1 TYPE STRING,
AUSWVERS1 TYPE STRING,
AUSWDAT1 TYPE STRING,
KATAB2 TYPE STRING,
KATALGART2 TYPE STRING,
AUSWMENGE2 TYPE STRING,
AUSWMGWRK2 TYPE STRING,
AUSWVERS2 TYPE STRING,
AUSWDAT2 TYPE STRING,
KATAB3 TYPE STRING,
KATALGART3 TYPE STRING,
AUSWMENGE3 TYPE STRING,
AUSWMGWRK3 TYPE STRING,
AUSWVERS3 TYPE STRING,
AUSWDAT3 TYPE STRING,
KATAB4 TYPE STRING,
KATALGART4 TYPE STRING,
AUSWMENGE4 TYPE STRING,
AUSWMGWRK4 TYPE STRING,
AUSWVERS4 TYPE STRING,
AUSWDAT4 TYPE STRING,
KATAB5 TYPE STRING,
KATALGART5 TYPE STRING,
AUSWMENGE5 TYPE STRING,
AUSWMGWRK5 TYPE STRING,
AUSWVERS5 TYPE STRING,
AUSWDAT5 TYPE STRING,
DUMMY10 TYPE STRING,
DUMMY20 TYPE STRING,
DUMMY40 TYPE STRING,
PZLFH TYPE STRING,
MS_REF TYPE STRING,
VALID_TO_ON_DB TYPE STRING,
VERSN TYPE STRING,
VERSN_SOURCE TYPE STRING,
VERSN_SOURCE_PLNKN TYPE STRING,
VERSN_SOURCE_MERKNR TYPE STRING,
VERSN_SOURCE_ZUORDNR TYPE STRING,
DUMMY_PLMW_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PLMW_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_PLMW_STR-MANDT sy-vline 
WA_PLMW_STR-PLNTY sy-vline 
WA_PLMW_STR-PLNNR sy-vline 
WA_PLMW_STR-PLNKN sy-vline 
WA_PLMW_STR-KZEINSTELL sy-vline 
WA_PLMW_STR-MERKNR sy-vline 
WA_PLMW_STR-ZUORDNR sy-vline 
WA_PLMW_STR-ZAEHL sy-vline 
WA_PLMW_STR-GUELTIGAB sy-vline 
WA_PLMW_STR-SERNV sy-vline 
WA_PLMW_STR-MATNR sy-vline 
WA_PLMW_STR-WERKS sy-vline 
WA_PLMW_STR-PLNAL sy-vline 
WA_PLMW_STR-DATUV sy-vline 
WA_PLMW_STR-ZKRIZ sy-vline 
WA_PLMW_STR-LOEKZ sy-vline 
WA_PLMW_STR-PARKZ sy-vline 
WA_PLMW_STR-AENDERGNR sy-vline 
WA_PLMW_STR-ERSTELLER sy-vline 
WA_PLMW_STR-ERSTELLDAT sy-vline 
WA_PLMW_STR-AENDERER sy-vline 
WA_PLMW_STR-AENDERDAT sy-vline 
WA_PLMW_STR-TOLERANZSL sy-vline 
WA_PLMW_STR-STELLEN sy-vline 
WA_PLMW_STR-MASSEINHSW sy-vline 
WA_PLMW_STR-SOLLWERT sy-vline 
WA_PLMW_STR-SOLLWNI sy-vline 
WA_PLMW_STR-TOLERANZOB sy-vline 
WA_PLMW_STR-TOLOBNI sy-vline 
WA_PLMW_STR-TOLERANZUN sy-vline 
WA_PLMW_STR-TOLUNNI sy-vline 
WA_PLMW_STR-KLASANZAHL sy-vline 
WA_PLMW_STR-KLASBREITE sy-vline 
WA_PLMW_STR-KLASBRNI sy-vline 
WA_PLMW_STR-KLASMITTE sy-vline 
WA_PLMW_STR-KLASMINI sy-vline 
WA_PLMW_STR-GRENZEOB1 sy-vline 
WA_PLMW_STR-GRENZOB1NI sy-vline 
WA_PLMW_STR-GRENZEUN1 sy-vline 
WA_PLMW_STR-GRENZUN1NI sy-vline 
WA_PLMW_STR-GRENZEOB2 sy-vline 
WA_PLMW_STR-GRENZOB2NI sy-vline 
WA_PLMW_STR-GRENZEUN2 sy-vline 
WA_PLMW_STR-GRENZUN2NI sy-vline 
WA_PLMW_STR-PLAUSIOBEN sy-vline 
WA_PLMW_STR-PLAUSIOBNI sy-vline 
WA_PLMW_STR-PLAUSIUNTE sy-vline 
WA_PLMW_STR-PLAUSIUNNI sy-vline 
WA_PLMW_STR-TOLERWEIOB sy-vline 
WA_PLMW_STR-TOLWOBNI sy-vline 
WA_PLMW_STR-TOLERWEIUN sy-vline 
WA_PLMW_STR-TOLWUNNI sy-vline 
WA_PLMW_STR-TOLERWAB sy-vline 
WA_PLMW_STR-TOLERWBIS sy-vline 
WA_PLMW_STR-CODEGR9U sy-vline 
WA_PLMW_STR-CODE9U sy-vline 
WA_PLMW_STR-CODEVR9U sy-vline 
WA_PLMW_STR-CODEGR9O sy-vline 
WA_PLMW_STR-CODE9O sy-vline 
WA_PLMW_STR-CODEVR9O sy-vline 
WA_PLMW_STR-KATAB1 sy-vline 
WA_PLMW_STR-KATALGART1 sy-vline 
WA_PLMW_STR-AUSWMENGE1 sy-vline 
WA_PLMW_STR-AUSWMGWRK1 sy-vline 
WA_PLMW_STR-AUSWVERS1 sy-vline 
WA_PLMW_STR-AUSWDAT1 sy-vline 
WA_PLMW_STR-KATAB2 sy-vline 
WA_PLMW_STR-KATALGART2 sy-vline 
WA_PLMW_STR-AUSWMENGE2 sy-vline 
WA_PLMW_STR-AUSWMGWRK2 sy-vline 
WA_PLMW_STR-AUSWVERS2 sy-vline 
WA_PLMW_STR-AUSWDAT2 sy-vline 
WA_PLMW_STR-KATAB3 sy-vline 
WA_PLMW_STR-KATALGART3 sy-vline 
WA_PLMW_STR-AUSWMENGE3 sy-vline 
WA_PLMW_STR-AUSWMGWRK3 sy-vline 
WA_PLMW_STR-AUSWVERS3 sy-vline 
WA_PLMW_STR-AUSWDAT3 sy-vline 
WA_PLMW_STR-KATAB4 sy-vline 
WA_PLMW_STR-KATALGART4 sy-vline 
WA_PLMW_STR-AUSWMENGE4 sy-vline 
WA_PLMW_STR-AUSWMGWRK4 sy-vline 
WA_PLMW_STR-AUSWVERS4 sy-vline 
WA_PLMW_STR-AUSWDAT4 sy-vline 
WA_PLMW_STR-KATAB5 sy-vline 
WA_PLMW_STR-KATALGART5 sy-vline 
WA_PLMW_STR-AUSWMENGE5 sy-vline 
WA_PLMW_STR-AUSWMGWRK5 sy-vline 
WA_PLMW_STR-AUSWVERS5 sy-vline 
WA_PLMW_STR-AUSWDAT5 sy-vline 
WA_PLMW_STR-DUMMY10 sy-vline 
WA_PLMW_STR-DUMMY20 sy-vline 
WA_PLMW_STR-DUMMY40 sy-vline 
WA_PLMW_STR-PZLFH sy-vline 
WA_PLMW_STR-MS_REF sy-vline 
WA_PLMW_STR-VALID_TO_ON_DB sy-vline 
WA_PLMW_STR-VERSN sy-vline 
WA_PLMW_STR-VERSN_SOURCE sy-vline 
WA_PLMW_STR-VERSN_SOURCE_PLNKN sy-vline 
WA_PLMW_STR-VERSN_SOURCE_MERKNR sy-vline 
WA_PLMW_STR-VERSN_SOURCE_ZUORDNR sy-vline 
WA_PLMW_STR-DUMMY_PLMW_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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