ABAP Select data from SAP table J_7LPAWGHT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_7LPAWGHT 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 J_7LPAWGHT. 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 J_7LPAWGHT 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_J_7LPAWGHT TYPE STANDARD TABLE OF J_7LPAWGHT,
      WA_J_7LPAWGHT TYPE J_7LPAWGHT,
      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: <J_7LPAWGHT> TYPE J_7LPAWGHT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_7LPAWGHT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_7LPAWGHT
  INTO TABLE IT_J_7LPAWGHT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_7LPAWGHT
*  INTO TABLE @DATA(IT_J_7LPAWGHT2).
*--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_J_7LPAWGHT INDEX 1 INTO DATA(WA_J_7LPAWGHT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_7LPAWGHT ASSIGNING <J_7LPAWGHT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_7LPAWGHT>-SOKOA = 1.
<J_7LPAWGHT>-SKATXT = 1.
<J_7LPAWGHT>-VRPNR = 1.
<J_7LPAWGHT>-VARIANTE = 1.
<J_7LPAWGHT>-STOFF = 1.

ENDLOOP.

LOOP AT IT_J_7LPAWGHT INTO WA_J_7LPAWGHT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_7LPAWGHT-REFSTOFF, sy-vline,
  WA_J_7LPAWGHT-STOFP, sy-vline,
  WA_J_7LPAWGHT-STOFI, sy-vline,
  WA_J_7LPAWGHT-STOKTX, sy-vline,
  WA_J_7LPAWGHT-STGEW, sy-vline,
  WA_J_7LPAWGHT-STGEWFF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_7LPAWGHT 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_J_7LPAWGHT 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_J_7LPAWGHT INTO WA_J_7LPAWGHT.


*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 VRPNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_7LPAWGHT-VRPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_7LPAWGHT-VRPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_7LPAWGHT-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_7LPAWGHT-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_7LPAWGHT-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_7LPAWGHT-KMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_7LPAWGHT-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_7LPAWGHT-MEINS.
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_J_7LPAWGHT_STR, 
SOKOA TYPE STRING,
SKATXT TYPE STRING,
VRPNR TYPE STRING,
VARIANTE TYPE STRING,
STOFF TYPE STRING,
REFSTOFF TYPE STRING,
STOFP TYPE STRING,
STOFI TYPE STRING,
STOKTX TYPE STRING,
STGEW TYPE STRING,
STGEWFF TYPE STRING,
GEWEI TYPE STRING,
GEWENTGE TYPE STRING,
GEWENTGEOA TYPE STRING,
GEWENTGEF TYPE STRING,
GEWENTGEFF TYPE STRING,
GEWENTGEOAFF TYPE STRING,
PREISE TYPE STRING,
WAERE TYPE STRING,
GEWENTGR TYPE STRING,
GEWENTGROA TYPE STRING,
GEWENTGRF TYPE STRING,
GEWENTGRFF TYPE STRING,
GEWENTGROAFF TYPE STRING,
PREISR TYPE STRING,
WAERS TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KPROZ TYPE STRING,
KPROZHF TYPE STRING,
FORMEL TYPE STRING,
FORMKTX TYPE STRING,
PFORMEL TYPE STRING,
FBPFORMEL TYPE STRING,
PKPROZ TYPE STRING,
FRMFRAK TYPE STRING,
STEXT TYPE STRING,
FAKTOR TYPE STRING,
FFAKTOR TYPE STRING,
FMENG TYPE STRING,
MEINS TYPE STRING,
NO_STOFE TYPE STRING,
VPTYP TYPE STRING,
VPARTG TYPE STRING,
VPEBENE TYPE STRING,
TRENNKZ TYPE STRING,
VRPKT TYPE STRING,
ZSPLITV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_7LPAWGHT_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_J_7LPAWGHT_STR-SOKOA sy-vline 
WA_J_7LPAWGHT_STR-SKATXT sy-vline 
WA_J_7LPAWGHT_STR-VRPNR sy-vline 
WA_J_7LPAWGHT_STR-VARIANTE sy-vline 
WA_J_7LPAWGHT_STR-STOFF sy-vline 
WA_J_7LPAWGHT_STR-REFSTOFF sy-vline 
WA_J_7LPAWGHT_STR-STOFP sy-vline 
WA_J_7LPAWGHT_STR-STOFI sy-vline 
WA_J_7LPAWGHT_STR-STOKTX sy-vline 
WA_J_7LPAWGHT_STR-STGEW sy-vline 
WA_J_7LPAWGHT_STR-STGEWFF sy-vline 
WA_J_7LPAWGHT_STR-GEWEI sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGE sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGEOA sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGEF sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGEFF sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGEOAFF sy-vline 
WA_J_7LPAWGHT_STR-PREISE sy-vline 
WA_J_7LPAWGHT_STR-WAERE sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGR sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGROA sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGRF sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGRFF sy-vline 
WA_J_7LPAWGHT_STR-GEWENTGROAFF sy-vline 
WA_J_7LPAWGHT_STR-PREISR sy-vline 
WA_J_7LPAWGHT_STR-WAERS sy-vline 
WA_J_7LPAWGHT_STR-KPEIN sy-vline 
WA_J_7LPAWGHT_STR-KMEIN sy-vline 
WA_J_7LPAWGHT_STR-KPROZ sy-vline 
WA_J_7LPAWGHT_STR-KPROZHF sy-vline 
WA_J_7LPAWGHT_STR-FORMEL sy-vline 
WA_J_7LPAWGHT_STR-FORMKTX sy-vline 
WA_J_7LPAWGHT_STR-PFORMEL sy-vline 
WA_J_7LPAWGHT_STR-FBPFORMEL sy-vline 
WA_J_7LPAWGHT_STR-PKPROZ sy-vline 
WA_J_7LPAWGHT_STR-FRMFRAK sy-vline 
WA_J_7LPAWGHT_STR-STEXT sy-vline 
WA_J_7LPAWGHT_STR-FAKTOR sy-vline 
WA_J_7LPAWGHT_STR-FFAKTOR sy-vline 
WA_J_7LPAWGHT_STR-FMENG sy-vline 
WA_J_7LPAWGHT_STR-MEINS sy-vline 
WA_J_7LPAWGHT_STR-NO_STOFE sy-vline 
WA_J_7LPAWGHT_STR-VPTYP sy-vline 
WA_J_7LPAWGHT_STR-VPARTG sy-vline 
WA_J_7LPAWGHT_STR-VPEBENE sy-vline 
WA_J_7LPAWGHT_STR-TRENNKZ sy-vline 
WA_J_7LPAWGHT_STR-VRPKT sy-vline 
WA_J_7LPAWGHT_STR-ZSPLITV sy-vline      INTO ld_text SEPARATED BY SPACE.

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