ABAP Select data from SAP table J_7LPREISLISTE_GRID into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_7LPREISLISTE_GRID 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_7LPREISLISTE_GRID. 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_7LPREISLISTE_GRID 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_7LPREISLISTE_GRID TYPE STANDARD TABLE OF J_7LPREISLISTE_GRID,
      WA_J_7LPREISLISTE_GRID TYPE J_7LPREISLISTE_GRID,
      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_7LPREISLISTE_GRID> TYPE J_7LPREISLISTE_GRID.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_7LPREISLISTE_GRID.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_7LPREISLISTE_GRID
  INTO TABLE IT_J_7LPREISLISTE_GRID.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_7LPREISLISTE_GRID
*  INTO TABLE @DATA(IT_J_7LPREISLISTE_GRID2).
*--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_7LPREISLISTE_GRID INDEX 1 INTO DATA(WA_J_7LPREISLISTE_GRID2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_7LPREISLISTE_GRID ASSIGNING <J_7LPREISLISTE_GRID>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_7LPREISLISTE_GRID>-MANDT = 1.
<J_7LPREISLISTE_GRID>-ENTNR = 1.
<J_7LPREISLISTE_GRID>-BUKRS = 1.
<J_7LPREISLISTE_GRID>-LAND1 = 1.
<J_7LPREISLISTE_GRID>-PLVRS = 1.

ENDLOOP.

LOOP AT IT_J_7LPREISLISTE_GRID INTO WA_J_7LPREISLISTE_GRID.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_7LPREISLISTE_GRID-DATAB, sy-vline,
  WA_J_7LPREISLISTE_GRID-DATBI, sy-vline,
  WA_J_7LPREISLISTE_GRID-KPROZ, sy-vline,
  WA_J_7LPREISLISTE_GRID-KZPRAD, sy-vline,
  WA_J_7LPREISLISTE_GRID-KOKEY, sy-vline,
  WA_J_7LPREISLISTE_GRID-MWSKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_7LPREISLISTE_GRID 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_7LPREISLISTE_GRID 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_7LPREISLISTE_GRID INTO WA_J_7LPREISLISTE_GRID.


*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 ENTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_7LPREISLISTE_GRID-ENTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_7LPREISLISTE_GRID-ENTNR.
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_7LPREISLISTE_GRID_STR, 
MANDT TYPE STRING,
ENTNR TYPE STRING,
BUKRS TYPE STRING,
LAND1 TYPE STRING,
PLVRS TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
KPROZ TYPE STRING,
KZPRAD TYPE STRING,
KOKEY TYPE STRING,
MWSKZ TYPE STRING,
WAERE TYPE STRING,
WAERS TYPE STRING,
WAERA TYPE STRING,
DATABADM TYPE STRING,
DATBIADM TYPE STRING,
ERSDAADM TYPE STRING,
ERZETADM TYPE STRING,
ERNAMADM TYPE STRING,
LAEDAADM TYPE STRING,
AEZETADM TYPE STRING,
AENAMADM TYPE STRING,
LVORMADM TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_7LPREISLISTE_GRID_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_7LPREISLISTE_GRID_STR-MANDT sy-vline 
WA_J_7LPREISLISTE_GRID_STR-ENTNR sy-vline 
WA_J_7LPREISLISTE_GRID_STR-BUKRS sy-vline 
WA_J_7LPREISLISTE_GRID_STR-LAND1 sy-vline 
WA_J_7LPREISLISTE_GRID_STR-PLVRS sy-vline 
WA_J_7LPREISLISTE_GRID_STR-DATAB sy-vline 
WA_J_7LPREISLISTE_GRID_STR-DATBI sy-vline 
WA_J_7LPREISLISTE_GRID_STR-KPROZ sy-vline 
WA_J_7LPREISLISTE_GRID_STR-KZPRAD sy-vline 
WA_J_7LPREISLISTE_GRID_STR-KOKEY sy-vline 
WA_J_7LPREISLISTE_GRID_STR-MWSKZ sy-vline 
WA_J_7LPREISLISTE_GRID_STR-WAERE sy-vline 
WA_J_7LPREISLISTE_GRID_STR-WAERS sy-vline 
WA_J_7LPREISLISTE_GRID_STR-WAERA sy-vline 
WA_J_7LPREISLISTE_GRID_STR-DATABADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-DATBIADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-ERSDAADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-ERZETADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-ERNAMADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-LAEDAADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-AEZETADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-AENAMADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-LVORMADM sy-vline 
WA_J_7LPREISLISTE_GRID_STR-NAME1 sy-vline 
WA_J_7LPREISLISTE_GRID_STR-NAME2 sy-vline 
WA_J_7LPREISLISTE_GRID_STR-NAME3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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