ABAP Select data from SAP table PLMLV_ECMMAS01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PLMLV_ECMMAS01 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_ECMMAS01. 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_ECMMAS01 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_ECMMAS01 TYPE STANDARD TABLE OF PLMLV_ECMMAS01,
      WA_PLMLV_ECMMAS01 TYPE PLMLV_ECMMAS01,
      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_ECMMAS01> TYPE PLMLV_ECMMAS01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PLMLV_ECMMAS01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PLMLV_ECMMAS01
  INTO TABLE IT_PLMLV_ECMMAS01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMLV_ECMMAS01
*  INTO TABLE @DATA(IT_PLMLV_ECMMAS012).
*--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_ECMMAS01 INDEX 1 INTO DATA(WA_PLMLV_ECMMAS012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PLMLV_ECMMAS01 ASSIGNING <PLMLV_ECMMAS01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMLV_ECMMAS01>-EDIDC = 1.
<PLMLV_ECMMAS01>-MANDT = 1.
<PLMLV_ECMMAS01>-DOCNUM = 1.
<PLMLV_ECMMAS01>-DOCREL = 1.
<PLMLV_ECMMAS01>-STATUS = 1.

ENDLOOP.

LOOP AT IT_PLMLV_ECMMAS01 INTO WA_PLMLV_ECMMAS01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMLV_ECMMAS01-DOCTYP, sy-vline,
  WA_PLMLV_ECMMAS01-DIRECT, sy-vline,
  WA_PLMLV_ECMMAS01-RCVPOR, sy-vline,
  WA_PLMLV_ECMMAS01-RCVPRT, sy-vline,
  WA_PLMLV_ECMMAS01-RCVPRN, sy-vline,
  WA_PLMLV_ECMMAS01-RCVSAD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMLV_ECMMAS01 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_ECMMAS01 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_ECMMAS01 INTO WA_PLMLV_ECMMAS01.


*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_ECMMAS01-RCVPRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_ECMMAS01-RCVPRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNDPRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_ECMMAS01-SNDPRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_ECMMAS01-SNDPRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field RCVPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_ECMMAS01-RCVPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_ECMMAS01-RCVPFC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field SNDPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_PLMLV_ECMMAS01-SNDPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMLV_ECMMAS01-SNDPFC.
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_ECMMAS01_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,
E1AENRM TYPE STRING,
AENNR TYPE STRING,
AENST TYPE STRING,
AENBE TYPE STRING,
DATUV TYPE STRING,
AETXT TYPE STRING,
LTXSP TYPE STRING,
AEGRU TYPE STRING,
CCART TYPE STRING,
CONT1 TYPE STRING,
AEFUN TYPE STRING,
UESTR TYPE STRING,
RLKEY TYPE STRING,
LVORM TYPE STRING,
EFF_TYPE TYPE STRING,
AERNG TYPE STRING,
TEREL TYPE STRING,
NACHT TYPE STRING,
INDAT TYPE STRING,
AUDAT TYPE STRING,
LTXSP_ISO TYPE STRING,
MSGFN TYPE STRING,
CHANGE_LEADER TYPE STRING,
STSMA TYPE STRING,
ERLED TYPE STRING,
E1AENRH TYPE STRING,
TDNAME TYPE STRING,
TDID TYPE STRING,
TDSPRAS TYPE STRING,
E1AENRL TYPE STRING,
E1AEDTM TYPE STRING,
E1AEEFM TYPE STRING,
E1AEPFM TYPE STRING,
DATE_LO TYPE STRING,
DATE_HI TYPE STRING,
DATE_OI TYPE STRING,
MATNR_LO TYPE STRING,
SERNR_LO TYPE STRING,
SERNR_HI TYPE STRING,
SERNR_OI TYPE STRING,
MATNR_LO_EXTERNAL TYPE STRING,
MATNR_LO_VERSION TYPE STRING,
MATNR_LO_GUID TYPE STRING,
MATNR_LO_LONG TYPE STRING,
E1AEPFL TYPE STRING,
LO_FIELD_1 TYPE STRING,
LO_FIELD_2 TYPE STRING,
LO_FIELD_3 TYPE STRING,
LO_FIELD_4 TYPE STRING,
LO_FIELD_5 TYPE STRING,
LO_FIELD_6 TYPE STRING,
LO_FIELD_7 TYPE STRING,
LO_FIELD_8 TYPE STRING,
LO_FIELD_9 TYPE STRING,
LO_FIELD_10 TYPE STRING,
E1AENVM 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_ECMMAS01_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_ECMMAS01_STR-EDIDC sy-vline 
WA_PLMLV_ECMMAS01_STR-MANDT sy-vline 
WA_PLMLV_ECMMAS01_STR-DOCNUM sy-vline 
WA_PLMLV_ECMMAS01_STR-DOCREL sy-vline 
WA_PLMLV_ECMMAS01_STR-STATUS sy-vline 
WA_PLMLV_ECMMAS01_STR-DOCTYP sy-vline 
WA_PLMLV_ECMMAS01_STR-DIRECT sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVPOR sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVPRT sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVPRN sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVSAD sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVSMN sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVSNA sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVSCA sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVSDF sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVSLF sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVLAD sy-vline 
WA_PLMLV_ECMMAS01_STR-STD sy-vline 
WA_PLMLV_ECMMAS01_STR-STDVRS sy-vline 
WA_PLMLV_ECMMAS01_STR-STDMES sy-vline 
WA_PLMLV_ECMMAS01_STR-MESCOD sy-vline 
WA_PLMLV_ECMMAS01_STR-MESFCT sy-vline 
WA_PLMLV_ECMMAS01_STR-OUTMOD sy-vline 
WA_PLMLV_ECMMAS01_STR-TEST sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDPOR sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDPRT sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDPRN sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDSAD sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDSMN sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDSNA sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDSCA sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDSDF sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDSLF sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDLAD sy-vline 
WA_PLMLV_ECMMAS01_STR-REFINT sy-vline 
WA_PLMLV_ECMMAS01_STR-REFGRP sy-vline 
WA_PLMLV_ECMMAS01_STR-REFMES sy-vline 
WA_PLMLV_ECMMAS01_STR-ARCKEY sy-vline 
WA_PLMLV_ECMMAS01_STR-CREDAT sy-vline 
WA_PLMLV_ECMMAS01_STR-CRETIM sy-vline 
WA_PLMLV_ECMMAS01_STR-MESTYP sy-vline 
WA_PLMLV_ECMMAS01_STR-IDOCTP sy-vline 
WA_PLMLV_ECMMAS01_STR-CIMTYP sy-vline 
WA_PLMLV_ECMMAS01_STR-RCVPFC sy-vline 
WA_PLMLV_ECMMAS01_STR-SNDPFC sy-vline 
WA_PLMLV_ECMMAS01_STR-SERIAL sy-vline 
WA_PLMLV_ECMMAS01_STR-EXPRSS sy-vline 
WA_PLMLV_ECMMAS01_STR-UPDDAT sy-vline 
WA_PLMLV_ECMMAS01_STR-UPDTIM sy-vline 
WA_PLMLV_ECMMAS01_STR-MAXSEGNUM sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AENRM sy-vline 
WA_PLMLV_ECMMAS01_STR-AENNR sy-vline 
WA_PLMLV_ECMMAS01_STR-AENST sy-vline 
WA_PLMLV_ECMMAS01_STR-AENBE sy-vline 
WA_PLMLV_ECMMAS01_STR-DATUV sy-vline 
WA_PLMLV_ECMMAS01_STR-AETXT sy-vline 
WA_PLMLV_ECMMAS01_STR-LTXSP sy-vline 
WA_PLMLV_ECMMAS01_STR-AEGRU sy-vline 
WA_PLMLV_ECMMAS01_STR-CCART sy-vline 
WA_PLMLV_ECMMAS01_STR-CONT1 sy-vline 
WA_PLMLV_ECMMAS01_STR-AEFUN sy-vline 
WA_PLMLV_ECMMAS01_STR-UESTR sy-vline 
WA_PLMLV_ECMMAS01_STR-RLKEY sy-vline 
WA_PLMLV_ECMMAS01_STR-LVORM sy-vline 
WA_PLMLV_ECMMAS01_STR-EFF_TYPE sy-vline 
WA_PLMLV_ECMMAS01_STR-AERNG sy-vline 
WA_PLMLV_ECMMAS01_STR-TEREL sy-vline 
WA_PLMLV_ECMMAS01_STR-NACHT sy-vline 
WA_PLMLV_ECMMAS01_STR-INDAT sy-vline 
WA_PLMLV_ECMMAS01_STR-AUDAT sy-vline 
WA_PLMLV_ECMMAS01_STR-LTXSP_ISO sy-vline 
WA_PLMLV_ECMMAS01_STR-MSGFN sy-vline 
WA_PLMLV_ECMMAS01_STR-CHANGE_LEADER sy-vline 
WA_PLMLV_ECMMAS01_STR-STSMA sy-vline 
WA_PLMLV_ECMMAS01_STR-ERLED sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AENRH sy-vline 
WA_PLMLV_ECMMAS01_STR-TDNAME sy-vline 
WA_PLMLV_ECMMAS01_STR-TDID sy-vline 
WA_PLMLV_ECMMAS01_STR-TDSPRAS sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AENRL sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AEDTM sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AEEFM sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AEPFM sy-vline 
WA_PLMLV_ECMMAS01_STR-DATE_LO sy-vline 
WA_PLMLV_ECMMAS01_STR-DATE_HI sy-vline 
WA_PLMLV_ECMMAS01_STR-DATE_OI sy-vline 
WA_PLMLV_ECMMAS01_STR-MATNR_LO sy-vline 
WA_PLMLV_ECMMAS01_STR-SERNR_LO sy-vline 
WA_PLMLV_ECMMAS01_STR-SERNR_HI sy-vline 
WA_PLMLV_ECMMAS01_STR-SERNR_OI sy-vline 
WA_PLMLV_ECMMAS01_STR-MATNR_LO_EXTERNAL sy-vline 
WA_PLMLV_ECMMAS01_STR-MATNR_LO_VERSION sy-vline 
WA_PLMLV_ECMMAS01_STR-MATNR_LO_GUID sy-vline 
WA_PLMLV_ECMMAS01_STR-MATNR_LO_LONG sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AEPFL sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_1 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_2 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_3 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_4 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_5 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_6 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_7 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_8 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_9 sy-vline 
WA_PLMLV_ECMMAS01_STR-LO_FIELD_10 sy-vline 
WA_PLMLV_ECMMAS01_STR-E1AENVM sy-vline 
WA_PLMLV_ECMMAS01_STR-E1UPSLINK sy-vline 
WA_PLMLV_ECMMAS01_STR-UPSNAM sy-vline 
WA_PLMLV_ECMMAS01_STR-ORGNAM sy-vline 
WA_PLMLV_ECMMAS01_STR-MESTYP sy-vline 
WA_PLMLV_ECMMAS01_STR-OBJID sy-vline 
WA_PLMLV_ECMMAS01_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.