ABAP Select data from SAP table VOIJLOCMAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VOIJLOCMAT
*  INTO TABLE @DATA(IT_VOIJLOCMAT2).
*--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_VOIJLOCMAT INDEX 1 INTO DATA(WA_VOIJLOCMAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VOIJLOCMAT>-MANDT = 1.
<VOIJLOCMAT>-LOCID = 1.
<VOIJLOCMAT>-PMATNR = 1.
<VOIJLOCMAT>-LOCNAME = 1.
<VOIJLOCMAT>-PMATNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VOIJLOCMAT-PWERK, sy-vline,
  WA_VOIJLOCMAT-CHARG, sy-vline,
  WA_VOIJLOCMAT-RDUOM, sy-vline,
  WA_VOIJLOCMAT-RDCONV, sy-vline,
  WA_VOIJLOCMAT-PERIOD, sy-vline,
  WA_VOIJLOCMAT-PAST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VOIJLOCMAT 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_VOIJLOCMAT 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_VOIJLOCMAT INTO WA_VOIJLOCMAT.


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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field LBUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VOIJLOCMAT-LBUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VOIJLOCMAT-LBUOM.
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_VOIJLOCMAT_STR, 
MANDT TYPE STRING,
LOCID TYPE STRING,
PMATNR TYPE STRING,
LOCNAME TYPE STRING,
PMATNAME TYPE STRING,
PWERK TYPE STRING,
CHARG TYPE STRING,
RDUOM TYPE STRING,
RDCONV TYPE STRING,
PERIOD TYPE STRING,
PAST TYPE STRING,
TOLPCT TYPE STRING,
TOLABS TYPE STRING,
PASTDATA TYPE STRING,
PHY_INV_FLG TYPE STRING,
PHY_INV TYPE STRING,
PHY_DATE TYPE STRING,
FCPAST TYPE STRING,
FCOFFSET TYPE STRING,
FCTYPE TYPE STRING,
PHYTMS TYPE STRING,
SRCTYPE TYPE STRING,
FCHORIZ TYPE STRING,
RVP TYPE STRING,
PLTYP TYPE STRING,
CALFLG TYPE STRING,
PLCAL TYPE STRING,
COVER TYPE STRING,
PLHOZ TYPE STRING,
DATUOM TYPE STRING,
PTSYST TYPE STRING,
PLUOM TYPE STRING,
CYCLE TYPE STRING,
CYCUOM TYPE STRING,
MAXLOT TYPE STRING,
MINLOT TYPE STRING,
INCLOT TYPE STRING,
INVUOM TYPE STRING,
MAXINV TYPE STRING,
TARGET TYPE STRING,
REORDER TYPE STRING,
SAFETY TYPE STRING,
UNPUMP TYPE STRING,
MININV TYPE STRING,
STSYST TYPE STRING,
SLOCID TYPE STRING,
SPART TYPE STRING,
SPOBJ TYPE STRING,
OFFPER TYPE STRING,
OFFUOM TYPE STRING,
RADIONOSRC TYPE STRING,
RADIOTSSRC TYPE STRING,
RADIOLOCSC TYPE STRING,
PLANAMPEL TYPE STRING,
PLANFLAG TYPE STRING,
SCFLAG TYPE STRING,
SERVICE TYPE STRING,
COVPROF TYPE STRING,
CALPROF TYPE STRING,
FACTORY TYPE STRING,
SFTTYPE TYPE STRING,
HISTHOZ TYPE STRING,
TSERVICE TYPE STRING,
TCOVPROF TYPE STRING,
TCALPROF TYPE STRING,
TFACTORY TYPE STRING,
TGTTYPE TYPE STRING,
THISTHOZ TYPE STRING,
FCCAL TYPE STRING,
FCPRF TYPE STRING,
TANKUPD TYPE STRING,
SFTLVL TYPE STRING,
HRLVL TYPE STRING,
SFTTDIND TYPE STRING,
TGTTDIND TYPE STRING,
PPTYP TYPE STRING,
BALANCE TYPE STRING,
PVFLAG TYPE STRING,
VERID TYPE STRING,
TODAT TYPE STRING,
FROMDAT TYPE STRING,
BOMALT TYPE STRING,
BOMUSE TYPE STRING,
BOMMAT TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,
BLOIND TYPE STRING,
DELIND TYPE STRING,
TKTSELECT TYPE STRING,
TCONS TYPE STRING,
AUTOCONFIRM TYPE STRING,
VRMOD TYPE STRING,
VINT1 TYPE STRING,
VINT2 TYPE STRING,
DEFSITYP TYPE STRING,
DEFDOCIND TYPE STRING,
LBUOM TYPE STRING,
PROFILE TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VOIJLOCMAT_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_VOIJLOCMAT_STR-MANDT sy-vline 
WA_VOIJLOCMAT_STR-LOCID sy-vline 
WA_VOIJLOCMAT_STR-PMATNR sy-vline 
WA_VOIJLOCMAT_STR-LOCNAME sy-vline 
WA_VOIJLOCMAT_STR-PMATNAME sy-vline 
WA_VOIJLOCMAT_STR-PWERK sy-vline 
WA_VOIJLOCMAT_STR-CHARG sy-vline 
WA_VOIJLOCMAT_STR-RDUOM sy-vline 
WA_VOIJLOCMAT_STR-RDCONV sy-vline 
WA_VOIJLOCMAT_STR-PERIOD sy-vline 
WA_VOIJLOCMAT_STR-PAST sy-vline 
WA_VOIJLOCMAT_STR-TOLPCT sy-vline 
WA_VOIJLOCMAT_STR-TOLABS sy-vline 
WA_VOIJLOCMAT_STR-PASTDATA sy-vline 
WA_VOIJLOCMAT_STR-PHY_INV_FLG sy-vline 
WA_VOIJLOCMAT_STR-PHY_INV sy-vline 
WA_VOIJLOCMAT_STR-PHY_DATE sy-vline 
WA_VOIJLOCMAT_STR-FCPAST sy-vline 
WA_VOIJLOCMAT_STR-FCOFFSET sy-vline 
WA_VOIJLOCMAT_STR-FCTYPE sy-vline 
WA_VOIJLOCMAT_STR-PHYTMS sy-vline 
WA_VOIJLOCMAT_STR-SRCTYPE sy-vline 
WA_VOIJLOCMAT_STR-FCHORIZ sy-vline 
WA_VOIJLOCMAT_STR-RVP sy-vline 
WA_VOIJLOCMAT_STR-PLTYP sy-vline 
WA_VOIJLOCMAT_STR-CALFLG sy-vline 
WA_VOIJLOCMAT_STR-PLCAL sy-vline 
WA_VOIJLOCMAT_STR-COVER sy-vline 
WA_VOIJLOCMAT_STR-PLHOZ sy-vline 
WA_VOIJLOCMAT_STR-DATUOM sy-vline 
WA_VOIJLOCMAT_STR-PTSYST sy-vline 
WA_VOIJLOCMAT_STR-PLUOM sy-vline 
WA_VOIJLOCMAT_STR-CYCLE sy-vline 
WA_VOIJLOCMAT_STR-CYCUOM sy-vline 
WA_VOIJLOCMAT_STR-MAXLOT sy-vline 
WA_VOIJLOCMAT_STR-MINLOT sy-vline 
WA_VOIJLOCMAT_STR-INCLOT sy-vline 
WA_VOIJLOCMAT_STR-INVUOM sy-vline 
WA_VOIJLOCMAT_STR-MAXINV sy-vline 
WA_VOIJLOCMAT_STR-TARGET sy-vline 
WA_VOIJLOCMAT_STR-REORDER sy-vline 
WA_VOIJLOCMAT_STR-SAFETY sy-vline 
WA_VOIJLOCMAT_STR-UNPUMP sy-vline 
WA_VOIJLOCMAT_STR-MININV sy-vline 
WA_VOIJLOCMAT_STR-STSYST sy-vline 
WA_VOIJLOCMAT_STR-SLOCID sy-vline 
WA_VOIJLOCMAT_STR-SPART sy-vline 
WA_VOIJLOCMAT_STR-SPOBJ sy-vline 
WA_VOIJLOCMAT_STR-OFFPER sy-vline 
WA_VOIJLOCMAT_STR-OFFUOM sy-vline 
WA_VOIJLOCMAT_STR-RADIONOSRC sy-vline 
WA_VOIJLOCMAT_STR-RADIOTSSRC sy-vline 
WA_VOIJLOCMAT_STR-RADIOLOCSC sy-vline 
WA_VOIJLOCMAT_STR-PLANAMPEL sy-vline 
WA_VOIJLOCMAT_STR-PLANFLAG sy-vline 
WA_VOIJLOCMAT_STR-SCFLAG sy-vline 
WA_VOIJLOCMAT_STR-SERVICE sy-vline 
WA_VOIJLOCMAT_STR-COVPROF sy-vline 
WA_VOIJLOCMAT_STR-CALPROF sy-vline 
WA_VOIJLOCMAT_STR-FACTORY sy-vline 
WA_VOIJLOCMAT_STR-SFTTYPE sy-vline 
WA_VOIJLOCMAT_STR-HISTHOZ sy-vline 
WA_VOIJLOCMAT_STR-TSERVICE sy-vline 
WA_VOIJLOCMAT_STR-TCOVPROF sy-vline 
WA_VOIJLOCMAT_STR-TCALPROF sy-vline 
WA_VOIJLOCMAT_STR-TFACTORY sy-vline 
WA_VOIJLOCMAT_STR-TGTTYPE sy-vline 
WA_VOIJLOCMAT_STR-THISTHOZ sy-vline 
WA_VOIJLOCMAT_STR-FCCAL sy-vline 
WA_VOIJLOCMAT_STR-FCPRF sy-vline 
WA_VOIJLOCMAT_STR-TANKUPD sy-vline 
WA_VOIJLOCMAT_STR-SFTLVL sy-vline 
WA_VOIJLOCMAT_STR-HRLVL sy-vline 
WA_VOIJLOCMAT_STR-SFTTDIND sy-vline 
WA_VOIJLOCMAT_STR-TGTTDIND sy-vline 
WA_VOIJLOCMAT_STR-PPTYP sy-vline 
WA_VOIJLOCMAT_STR-BALANCE sy-vline 
WA_VOIJLOCMAT_STR-PVFLAG sy-vline 
WA_VOIJLOCMAT_STR-VERID sy-vline 
WA_VOIJLOCMAT_STR-TODAT sy-vline 
WA_VOIJLOCMAT_STR-FROMDAT sy-vline 
WA_VOIJLOCMAT_STR-BOMALT sy-vline 
WA_VOIJLOCMAT_STR-BOMUSE sy-vline 
WA_VOIJLOCMAT_STR-BOMMAT sy-vline 
WA_VOIJLOCMAT_STR-ERDAT sy-vline 
WA_VOIJLOCMAT_STR-ERZEIT sy-vline 
WA_VOIJLOCMAT_STR-ERNAM sy-vline 
WA_VOIJLOCMAT_STR-AEDAT sy-vline 
WA_VOIJLOCMAT_STR-AEZEIT sy-vline 
WA_VOIJLOCMAT_STR-AENAM sy-vline 
WA_VOIJLOCMAT_STR-BLOIND sy-vline 
WA_VOIJLOCMAT_STR-DELIND sy-vline 
WA_VOIJLOCMAT_STR-TKTSELECT sy-vline 
WA_VOIJLOCMAT_STR-TCONS sy-vline 
WA_VOIJLOCMAT_STR-AUTOCONFIRM sy-vline 
WA_VOIJLOCMAT_STR-VRMOD sy-vline 
WA_VOIJLOCMAT_STR-VINT1 sy-vline 
WA_VOIJLOCMAT_STR-VINT2 sy-vline 
WA_VOIJLOCMAT_STR-DEFSITYP sy-vline 
WA_VOIJLOCMAT_STR-DEFDOCIND sy-vline 
WA_VOIJLOCMAT_STR-LBUOM sy-vline 
WA_VOIJLOCMAT_STR-PROFILE sy-vline 
WA_VOIJLOCMAT_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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