ABAP Select data from SAP table MILL_OC_ORDER_COMB_STRUC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MILL_OC_ORDER_COMB_STRUC
*  INTO TABLE @DATA(IT_MILL_OC_ORDER_COMB_STRUC2).
*--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_MILL_OC_ORDER_COMB_STRUC INDEX 1 INTO DATA(WA_MILL_OC_ORDER_COMB_STRUC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MILL_OC_ORDER_COMB_STRUC>-MARK = 1.
<MILL_OC_ORDER_COMB_STRUC>-VORLAGEAUFTR = 1.
<MILL_OC_ORDER_COMB_STRUC>-DELKZ = 1.
<MILL_OC_ORDER_COMB_STRUC>-DELBZ = 1.
<MILL_OC_ORDER_COMB_STRUC>-BEZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MILL_OC_ORDER_COMB_STRUC-VBELN, sy-vline,
  WA_MILL_OC_ORDER_COMB_STRUC-POSNR, sy-vline,
  WA_MILL_OC_ORDER_COMB_STRUC-ETENR, sy-vline,
  WA_MILL_OC_ORDER_COMB_STRUC-PLNUM, sy-vline,
  WA_MILL_OC_ORDER_COMB_STRUC-AUFNR, sy-vline,
  WA_MILL_OC_ORDER_COMB_STRUC-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MILL_OC_ORDER_COMB_STRUC 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_MILL_OC_ORDER_COMB_STRUC 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_MILL_OC_ORDER_COMB_STRUC INTO WA_MILL_OC_ORDER_COMB_STRUC.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRUEFLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MILL_OC_ORDER_COMB_STRUC-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MILL_OC_ORDER_COMB_STRUC-PRUEFLOS.
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_MILL_OC_ORDER_COMB_STRUC_STR, 
MARK TYPE STRING,
VORLAGEAUFTR TYPE STRING,
DELKZ TYPE STRING,
DELBZ TYPE STRING,
BEZEI TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
ETENR TYPE STRING,
PLNUM TYPE STRING,
AUFNR TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
KUNNR TYPE STRING,
AMENGE TYPE STRING,
EMENGE TYPE STRING,
EMEINS TYPE STRING,
BMENGE TYPE STRING,
BMEINS TYPE STRING,
PLNME TYPE STRING,
GSTTR TYPE STRING,
GEDTR TYPE STRING,
DAT00 TYPE STRING,
BESKZ TYPE STRING,
IDAT2 TYPE STRING,
PRUEFLOS TYPE STRING,
INSMK TYPE STRING,
AUTYP TYPE STRING,
AUART TYPE STRING,
KALSM TYPE STRING,
OBJNR TYPE STRING,
MONKZ TYPE STRING,
BEDAE TYPE STRING,
WERKS TYPE STRING,
DISPO TYPE STRING,
AUFPL TYPE STRING,
RSNUM TYPE STRING,
PLAAB TYPE STRING,
PLANR TYPE STRING,
SORTA TYPE STRING,
SORT0 TYPE STRING,
TAG00 TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
DISGR TYPE STRING,
KNTTP TYPE STRING,
KZVBR TYPE STRING,
SOBKZ TYPE STRING,
TEMPORAER TYPE STRING,
PRODNET TYPE STRING,
PLGRP TYPE STRING,
VORLAGEAUFTR_ALT TYPE STRING,
ATRKZ TYPE STRING,
CUOBJ TYPE STRING,
TERKZ TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
BERID TYPE STRING,
FLG_MLTPS TYPE STRING,
APOKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MILL_OC_ORDER_COMB_STRUC_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_MILL_OC_ORDER_COMB_STRUC_STR-MARK sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-VORLAGEAUFTR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-DELKZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-DELBZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-BEZEI sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-VBELN sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-POSNR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-ETENR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PLNUM sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-AUFNR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-MATNR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-MAKTX sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-KUNNR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-AMENGE sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-EMENGE sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-EMEINS sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-BMENGE sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-BMEINS sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PLNME sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-GSTTR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-GEDTR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-DAT00 sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-BESKZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-IDAT2 sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PRUEFLOS sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-INSMK sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-AUTYP sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-AUART sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-KALSM sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-OBJNR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-MONKZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-BEDAE sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-WERKS sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-DISPO sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-AUFPL sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-RSNUM sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PLAAB sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PLANR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-SORTA sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-SORT0 sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-TAG00 sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-SORT1 sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-SORT2 sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-DISGR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-KNTTP sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-KZVBR sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-SOBKZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-TEMPORAER sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PRODNET sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-PLGRP sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-VORLAGEAUFTR_ALT sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-ATRKZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-CUOBJ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-TERKZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-UMREN sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-UMREZ sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-BERID sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-FLG_MLTPS sy-vline 
WA_MILL_OC_ORDER_COMB_STRUC_STR-APOKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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